Journal Publications

Peer Reviewed Journal Publication:


    2021 - Present:

  1. A Ibrahim et al. (2024). "Efficiency enhancement and doping type inversion in Cu 2 CdSnS 4 solar cells by Ag substitution" Journal of Materials Chemistry A. DOI: doi.org/10.1039/D3TA04529C
  2. DYY Goh et al. (2024). "Covalency-aided electrochemical CO 2 reduction to CO on sulfide-derived Cu–Sb" Journal of Materials Chemistry A. DOI: doi.org/10.1039/D3TA04777F
  3. A Sadhu et al. (2023). "Elucidating the Role of Chalcogenide‐Based Interface Passivators in Enhancing the Stability of Perovskite Solar Cells" Advanced Functional Materials. DOI: doi.org/10.1002/adfm.202305215
  4. T.H. Nguyen et al. (2023). "Enhancing Photoelectrochemical Performance of the Printed Nanoporous FeVO4 Photoanode by Dual-Layer CoOx–CoPi Catalysts" ACS Applied Energy Materials. DOI: 10.1021/acsaem.3c01418
  5. Z. Yuan et al. (2023). "High-Performance Semi-Transparent Perovskite Solar Cells with over 22% Visible Transparency: Pushing the Limit through MXene Interface Engineering" ACS Applied Materials & Interfaces. DOI: 10.1021/acsami.3c03804
  6. A. Sadhu et al. (2023). "Elucidating the Role of Chalcogenide‐Based Interface Passivators in Enhancing the Stability of Perovskite Solar Cells" Advanced Functional Materials. DOI: 10.1002/adfm.202305215
  7. X. Jin et al. (2023). "Highly controllable and reproducible one-step synthesis of β-NaYF4: Er3+ @ NaYbF4 @ NaYF4 upconversion nanoparticles for Sb2(S, Se)3 solar cells with enhanced efficiency" . Journal of Materials Chemistry A. DOI: 10.1039/D3TA00241A
  8. C. Hegde et al. (2023). "Angle-independent solar radiation capture by 3D printed lattice structures for efficient photoelectrochemical water splitting" Materials Horizons. DOI: 10.1039/D2MH01475K
  9. Mahmoud G. Ahmed, et al. (2022). "Efficient Ternary Mn-Based Spinel Oxide with Multiple Active Sites for Oxygen Evolution Reaction Discovered via High-Throughput Screening Methods" Small. DOI: 10.1002/smll.202204520
  10. M. Zhang, et al. (2022). "Nanostructured Iron Vanadate Photoanodes with Enhanced Visible Absorption and Charge Separation" ACS Appl. Mater. Interfaces. DOI: 10.1021/acsaem.1c04004
  11. S. Lie, et al. (2022). "Semitransparent Perovskite Solar Cells with > 13% Efficiency and 27% Transperancy Using Plasmonic Au Nanorods" ACS Appl. Mater. Interfaces. DOI: 10.1021/acsami.1c22748
  12. S. Lie, et al. (2022). "Comprehensive physicochemical and photovoltaic analysis of different Zn substitutes (Mn, mg, Fe, Ni, Co, Ba, Sr) in CZTS-inspired thin film solar cells" Journal of Materials Chemistry A. DOI: 10.1039/D2TA00225F
  13. J Chen, et al. (2022). "Solid-Ionic Memory in a van der Waals Heterostructure" ACS Nano. DOI: 10.1021/acsnano.1c05841
  14. S. Hadke, et al. (2021). "Emerging Chalcogenide Thin Films for Solar Energy Harvesting Devices" Chemical Reviews. DOI: 10.1021/acs.chemrev.1c00301
  15. M Rai, et al. (2021). "Multimodal Approach towards Large Area Fully Semitransparent Perovskite Solar Module" Advanced Energy Materials. DOI: 10.1002/aenm.202102276
  16. S Levcenko, et al. (2021). "Electroreflectance of Cu2(Cd(1-x)Znx)SnS4 thin film solar cells" Physical Review Materials. DOI: 10.1103/PhysRevMaterials.5.104605
  17. Xin Jin, et al. (2021). "Controllable Solution‐Phase Epitaxial Growth of Q1D Sb2(S,Se)3/CdS Heterojunction Solar Cell with 9.2% Efficiency" Advanced Materials. DOI: 10.1002/adma.202104346
  18. A Sadhu, et al. (2021). "Dual Role of Cu‐Chalcogenide as Hole‐Transporting Layer and Interface Passivator for p–i–n Architecture Perovskite Solar Cell" Advanced Functional Materials. DOI: 10.1002/adfm.202103807
  19. Y Hwang, et al. (2021). "An Intrinsically Micro-/Nanostructured Pollen Substrate with Tunable Optical Properties for Optoelectronic Applications" Advanced Materials. DOI: 10.1002/adma.202100566
  20. Lydia Helena Wong (2021). "Copper Kesterite Photocathode for Photoelectrochemical Water Splitting" ECS Meeting Abstracts DOI: 10.1149/MA2021-01391275mtgabs
  21. SW Leow, et al. (2021). "Solution‐Processed Semitransparent CZTS Thin‐Film Solar Cells via Cation Substitution and Rapid Thermal Annealing" Solar RRL. DOI: 10.1002/solr.202100131
  22. Andriy Zakutayev, et al. (2021). "Emerging inorganic solar cell efficiency tables (version 2)" Journal of Physics: Energy. DOI: 10.1088/2515-7655/abebca
  23. Eka Cahya Prima, et al. (2021). "Solution‐Processed pure Cu2ZnSnS4/CdS thin film solar cell with 7.5% efficiency" Optical Materials. DOI: 10.1016/j.optmat.2021.110947


    24. 2015-2020:

  24. Ahmad Ibrahim, et al. (2020). "Silver and Potassium Incorporation in Double-Layer Solution-Processed Cu2ZnSnS4 Solar Cell" ACS Applied Energy Materials. DOI: 10.1021/acsaem.0c01165
  25. Thi Hiep Nguyen, et al. (2020). "High Throughput Discovery of Effective Metal Doping in FeVO4 for Photoelectrochemical Water Splitting" Solar RRL. DOI: 10.1002/solr.202000437
  26. EDITORIAL-Virtual Issue (Contribution)
    Constance M. Biegel and Prashant V. Kamat (2020)."Women Scientists at the Forefront of Energy Research: A Virtual Issue, Part 2" ACS Energy Letters. DOI:10.1021/acsenergylett.0c00083
  27. EDITORIAL
    Goutam Kumar Dalapati, Lydia Helena Wong, Frank Erich Osterloh (2020)."Research presented at Symposium P of the 10th International Conference of Materials and Advanced Technology (ICMAT 2019)" Journal of Materials Chemistry A. DOI: 10.1039/C9TA90275A
  28. Monika Rai, et al. (2020). "Effect of Perovskite Thickness on Electroluminescence and Solar Cell Conversion Efficiency" The Journal of Physical Chemistry Letters. DOI: 10.1021/acs.jpclett.0c02363
  29. Mahmoud G. Ahmed, et al. (2020). "Surface Modification of Hematite Photoanodes with CeOx Cocatalyst for Improved Photoelectrochemical Water Oxidation Kinetics" ChemSusChem. DOI: 10.1002/cssc.202001135
  30. Siarhei Zhuk, et al. (2020). "Solution‐Processed Pure Sulfide Cu2(Zn0.6Cd0.4)SnS4 Solar Cells with Efficiency 10.8% Using Ultrathin CuO Intermediate Layer" Solar RRL. DOI: 10.1002/solr.202000293
  31. Xin Jin, et al. (2020). "In Situ Growth of [hk1]‐Oriented Sb2S3 for Solution‐Processed Planar Heterojunction Solar Cell with 6.4% Efficiency" Advanced Functional Materials. DOI: 10.1002/adfm.202002887
  32. Biplab Ghosh, et al. (2020). "Direct Band Gap Mixed-Valence Organic–inorganic Gold Perovskite as Visible Light Absorbers" Chemistry of Materials. DOI: 10.1021/acs.chemmater.0c00345
  33. Stener Lie, et al. (2020). "Comparing the Effect of Mn Substitution in Sulfide and Sulfoselenide‐Based Kesterite Solar Cells" Solar RRL. DOI: 10.1002/solr.201900521
  34. Ying Fan Tay, et al. (2020). "Improving the interfacial properties of CZTS photocathodes by Ag substitution" Journal of Materials Chemistry A. DOI: 10.1039/D0TA02042G
  35. Shreyash H. Hadke, et al. (2019). "Suppressed Deep Traps and Bandgap Fluctuations in Cu2CdSnS4 Solar Cells with ≈8% Efficiency" Advanced Energy Materials. DOI: 10.1002/aenm.201902509
  36. Siarhei Zhuk, et al. (2019). "Molybdenum incorporated Cu1.69ZnSnS4 kesterite photovoltaic devices with bilayer microstructure and tunable optical-electronic properties" Solar Energy. DOI: 10.1016/j.solener.2019.11.021
  37. Stener Lie, et al. (2019). "Improving Carrier-Transport Properties of CZTS by Mg Incorporation with Spray Pyrolysis" ACS applied materials & interfaces. DOI: 10.1021/acsami.9b05244
  38. Yaroslav E Romanyuk, et al. (2019). "Doping and alloying of kesterites" Journal of Physics: Energy. DOI: 10.1088/2515-7655/ab23bc
  39. Lydia Helena Wong, et al. (2019). "Emerging inorganic solar cell efficiency tables" Journal of Physics: Energy. DOI: 10.1088/2515-7655/ab2338
  40. Siarhei Zhuk, et al. (2019). "Effect of TaN intermediate layer on the back contact reaction of sputter-deposited Cu poor Cu2ZnSnS4 and Mo" Applied Surface Science. DOI: 10.1016/j.apsusc.2018.11.227
  41. Shreyash H. Hadke, et al. (2019). "Effect of Cd on cation redistribution and order-disorder transition in Cu2(Zn,Cd)SnS4." Journal of Materials Chemistry A. DOI: 10.1039/C9TA09572A
  42. Zhang Mengyuan, et al. (2019). "The synergistic effect of cation mixing in mesoporous BixFe1−xVO4 heterojunction photoanodes for solar water splitting." Journal of Materials Chemistry A. DOI: 10.1039/C9TA01791G
  43. Zhang Mengyuan, et al. (2019). "Understanding the Roles of NiOx in Enhancing the Photoelectrochemical Performance of BiVO4 Photoanodes for Solar Water Splitting." ChemSusChemDOI: 10.1002/cssc.201801780
  44. Marlene Lamers, Wenjie Li, et al. (2018). "Enhanced Carrier Transport and Bandgap Reduction in Sulfur-Modified BiVO4 Photoanodes." Chemistry of Materials. DOI: 10.1021/acs.chemmater.8b03859
  45. Gurudayal, et al. (2018). "Recent progress in iron oxide based photoanodes for solar water splitting" Journal of Physics D: Applied Physics.DOI: 10.1088/1361-6463/aae138
  46. Shreyash H. Hadke, et al. (2018). "Synergistic Effects of Double Cation Substitution in Solution-Processed CZTS Solar Cells with over 10% Efficiency." Advanced Energy Materials DOI: 10.1002/aenm.201802540
  47. Zhang Mengyuan, et al. (2018). "Elucidation of the opto-electronic and photoelectrochemical properties of FeVO4 photoanodes for solar water oxidation" Journals of Materials Chemistry A.DOI: 10.1039/C7TA08923F
  48. S Zhang, HD Hadi, et al. (2018). "A Precursor Stacking Strategy to Boost Open-Circuit Voltage of Cu2ZnSnS4 Thin-Film Solar Cells." IEEE Journal of Photovoltaics. DOI: 10.1109/JPHOTOV.2018.2813264
  49. G Han, HD Hadi, A Bruno, et al. (2018). "Additive Selection Strategy for High Performance Perovskite Photovoltaics." The Journal of Physical Chemistry C. DOI: 10.1021/acs.jpcc.8b00980
  50. YF Tay, H Kaneko, et al. (2018). "Solution-Processed Cd-Substituted CZTS Photocathode for Efficient Solar Hydrogen Evolution from Neutral Water." Joule.DOI: 10.1016/j.joule.2018.01.012
  51. RP Antony, M Zhang, et al. (2018). "Synergistic Effect of Porosity and Gradient Doping in Efficient Solar Water Oxidation of Catalyst-Free Gradient Mo: BiVO4." ACS Omega.DOI: 10.1021/acsomega.7b01794
  52. TMA Hassan, M Mujahid, et al. (2018). "Spray pyrolysis synthesized Cu (In, Al)(S, Se) 2 thin films solar cells." Materials Research Express.DOI: 10.1088/2053-1591/aab116
  53. S Lie, JMR Tan, W Li, et al. (2018). "Reducing the interfacial defect density of CZTSSe solar cells by Mn substitution." Journal of Materials Chemistry A.DOI: 10.1039/C7TA09668B
  54. W Li, JMR Tan, SW Leow, S Lie, et al. (2018). "Recent Progress in Solution‐Processed Copper‐Chalcogenide Thin‐Film Solar Cells." Energy Technology.DOI: 10.1002/ente.201700734
  55. LM Peter, LH Wong, et al. (2017). "Understanding the role of nanostructuring in photoelectrode performance for light-driven water splitting." Journal of Electroanalytical Chemistry. DOI: 10.1016/j.jelechem.2017.12.031
  56. LM Peter, LH Wong, et al. (2017). "Revealing the Influence of Doping and Surface Treatment on the Surface Carrier Dynamics in Hematite Nanorod Photoanodes." ACS applied materials & interfaces.DOI: 10.1021/acsami.7b13263
  57. Tan, J. M. R., et al. (2017). "Revealing Cation-Exchange-Induced Phase Transformations in Multielemental Chalcogenide Nanoparticles." Chemistry of Materials.DOI: 10.1021/acs.chemmater.7b03029
  58. H Xue, K Fu, LH Wong, E Birgersson, R Stangl, Modelling and loss analysis of meso-structured perovskite solar cells, Journal of Applied Physics 122 (8), 083105 DOI: 10.1063/1.4986115
  59. Y Cai, W Xie, H Ding, Y Chen, K Thirumal, LH Wong, N Mathews, et al, Computational Study of Halide Perovskite-Derived A2BX6 Inorganic Compounds: Chemical Trends in Electronic Structure and Structural Stability, Chemistry of Materials DOI: 10.1021/acs.chemmater.7b02013
  60. Gurudayal, RA John, PP Boix, C Yi, C Shi, MC Scott, SA Veldhuis, AM Minor, LH. Wong, Atomically Altered Hematite for Highly Efficient Perovskite Tandem Water-Splitting Devices, ChemSusChem 10 (11), 2449-2456 DOI: 10.1002/cssc.201700159
  61. W Li, Z Su, JMR Tan, SY Chiam, HL Seng, S Magdassi, LH Wong, Revealing the Role of Potassium Treatment in CZTSSe Thin Film Solar Cells, Chemistry of Materials 29 (10), 4273-4281 DOI: 10.1021/acs.chemmater.7b00418
  62. GK Dalapati, S Zhuk, S Masudy-Panah, A Kushwaha, HL Seng, LH Wong, et al. Impact of molybdenum out diffusion and interface quality on the performance of sputter grown CZTS based solar cells, Scientific Reports 7 (1), 1350 DOI: 10.1038/s41598-017-01605-7
  63. A Guchhait, HA Dewi, SW Leow, H Wang, G Han, FB Suhaimi, L.H. Wong, et al, Over 20% Efficient CIGS–Perovskite Tandem Solar Cells, ACS Energy Lett., 2017, 2 (4), pp 807–812 DOI: 10.1021/acsenergylett.7b00187
  64. G Han, S Zhang, PP Boix, LH Wong, L Sun, SY Lien, Towards high efficiency thin film solar cells, Progress in Materials Science 2017, Volume 87, June 2017, Pages 246–291DOI: 10.1016/j.pmatsci.2017.02.003
  65. Muhammad Aamir Hassan, Mohammad Mujahid, Shin Woei Leow, Li WenJie, Rajiv Ramanujam Prabhakar, and Lydia Helena Wong, Investigation of selenization and various CBD CdS deposition conditions to fabricate high performing spray pyrolysis synthesized Cu(In,Ga)(S,Se)2 solar cells, Journal of Renewable and Sustainable Energy 2017, Vol.9, Issue 1, DOI: 10.1063/1.4976019DOI: 10.1063/1.4976019
  66. A Guchhait, Z Su, YF Tay, S Shukla, W Li, SW Leow, JMR Tan, S Lie, O. Gunawan, L.H. Wong, Enhancement of Open-Circuit Voltage of Solution-Processed Cu2ZnSnS4 Solar Cells with 7.2% Efficiency by Incorporation of Silver, ACS Energy Letters (2016) 1 (6), 1256-1261 DOI: 10.1021/acsenergylett.6b00509
  67. PS Bassi, L Xianglin, Y Fang, JSC Loo, J Barber, LH Wong, Understanding charge transport in non-doped pristine and surface passivated hematite (Fe2O3) nanorods under front and backside illumination in the context of light induced water splitting, Physical Chemistry Chemical Physics (2016), 18 (44), 30370-30378 DOI: 10.1039/C6CP05379C
  68. RP Antony, T Baikie, SY Chiam, Y Ren, RR Prabhakar, SK Batabyal, SC Loo,LH Wong, Catalytic effect of Bi 5+ in enhanced solar water splitting of tetragonal BiV 0.8Mo0.2O4, Applied Catalysis A: General (2016), 526, 21-27 DOI: 10.1016/j.apcata.2016.07.022
  69. Wang, Wei; Shen, Honglie; Wong, Lydia Helena; et al., A 4.92% efficiency Cu2ZnSnS4 solar cell from nanoparticle ink and molecular solution, Rsc Advances Volume: 6 Issue: 59 Pages: 54049-54053 Published: 2016 DOI: 10.1039/C6RA08604G
  70. W Wang, H Shen, LH Wong*, H Yao, Z Su, Y Li, Preparation of high efficiency Cu2ZnSn(S, Se)4 solar cells from novel non-toxic hybrid ink, Journal of Power Sources 335, 84-90 DOI: 10.3390/ma9050348
  71. D Wang, PS Bassi, H Qi, X Zhao, LH Wong, R Xu, T Sritharan, Z Chen, Improved Charge Separation in WO3/CuWO4 Composite Photoanodes for Photoelectrochemical Water Oxidation Materials (2016), 9 (5), 348 DOI:10.3390/ma9050348
  72. A Chaturvedi, V Aravindan, P Hu, RR Prabhakar, LH Wong, C Kloc, Synthesis of SnS2 single crystals and its Li-storage performance with LiMn2O4 cathode, Applied Materials Today (2016), 5, 68-72 DOI:10.1016/j.apmt.2016.09.001
  73. Wan L, Ma, C; Hu, K ; Zhou, R; Mao, XL; Pan, SH; Wong, LH; Xu, JZ, Two-stage co-evaporated CuSbS2 thin films for solar cells, JOURNAL OF ALLOYS AND COMPOUNDS 2016, Volume: 680 Pages: 182-190 DOI:10.1016/j.jallcom.2016.04.193
  74. Liu, J., et al., Immobilization of dye pollutants on iron hydroxide coated substrates: kinetics, efficiency and the adsorption mechanism. Journal of Materials Chemistry A, 2016. 4(34): p. 13280-13288, DOI:10.1039/C6TA03088B
  75. Rajiv Ramanujam Prabhakar, Su Zhenghua, Zeng Xin, Tom Baikie, Leow Shin Woei, Sudhanshu Shukla, Sudip K. Batabyal, Oki Gunawan, Lydia Helena Wong, Photovoltaic effect in earth abundant solution processed Cu2MnSnS4 and Cu2MnSn(S,Se)4 thin films, Solar Energy Materials and Solar Cells, Volume 157, December 2016, Pages 867-873, ISSN 0927-0248, DOI:10.1016/j.solmat.2016.07.006
  76. Antony, R. P., et al. (2016). "Electrospun Mo-BiVO4 for Efficient Photoelectrochemical Water Oxidation: Direct Evidence of Improved Hole Diffusion Length and Charge separation." Electrochimica Acta 211: 173-182. DOI: 10.1016/j.electacta.2016.06.008
  77. Gurudayal, Jeong D., Jin K., Ahn Hyo-Yong, Boix P. P., Abdi F. F., Mathews N., Nam K. T., Wong L. H. (2016). Highly Active MnO Catalysts Integrated onto Fe2O3 Nanorods for Efficient Water Splitting. Adv. Mater. Interfaces, 3: 1600176. DOI: 10.1002/admi.201600176
  78. 8.6% Efficiency CZTSSe Solar Cell with Atomic Layer Deposited Zn-Sn-O Buffer Layer Article reference: SOLMAT8316 Journal title: Solar Energy Materials and Solar Cells Corresponding author: Dr. Lydia H. Wong First author: Dr. Xianglin Li Final version published online: 26-MAY-2016 Full bibliographic details: Solar Energy Materials and Solar Cells (2016), pp. 101-107 DOI: 10.1016/j.solmat.2016.05.032
  79. Chua RH, Li X, Walter T, Teh LK, Hahn T, Hergert F, Wong LH*, et al. An experimentally supported model for the origin of charge transport barrier in Zn(O,S)/CIGSSe solar cells. Applied Physics Letters. 2016;108(4):043505, DOI: 10.1063/1.4940913<
  80. Fu K, Nelson CT, Scott MC, Minor A, Mathews N, Wong LH*. Influence of void-free perovskite capping layer on the charge recombination process in high performance CH3NH3PbI3 perovskite solar cells. Nanoscale. 2016;8(7):4181-93, DOI:10.1039/C5NR06362K
  81. Wang, Xiaoyan; Kulkarni, Sneha A.; Li, Zhen; L. H. Wong, et al, Wire-shaped perovskite solar cell based on TiO2 nanotubes, NANOTECHNOLOGY 2016 Volume: 27 Issue: 20 Article Number: 20LT01 DOI: 10.1088/0957-4484/27/20/20LT01
  82. Bassi PS, Antony RP, Boix PP, Fang Y, Barber J, Wong LH*. Crystalline Fe2O3/Fe2TiO5 heterojunction nanorods with efficient charge separation and hole injection as photoanode for solar water oxidation. Nano Energy. 2016;22:310-8, DOI: 10.1016/j.nanoen.2016.02.013
  83. Xu X, Bullock J, Schelhas LT, Stutz EZ, Fonseca JJ, Hettick M, Wong LH*, et al. Chemical Bath Deposition of p-Type Transparent, Highly Conducting (CuS)x:(ZnS)1–x Nanocomposite Thin Films and Fabrication of Si Heterojunction Solar Cells. Nano Letters. 2016;16(3):1925-32, DOI: 10.1021/acs.nanolett.5b05124
  84. Li Z, Boix PP, Xing G, Fu K, Kulkarni SA, Batabyal SK, Wong LH*, et al. Carbon nanotubes as an efficient hole collector for high voltage methylammonium lead bromide perovskite solar cells. Nanoscale. 2016;8(12):6352-60, DOI: 10.1039/C5NR06177F
  85. Salim T, Lee H-W, Wong LH*, Oh JH, Bao Z, Lam YM. Semiconducting Carbon Nanotubes for Improved Efficiency and Thermal Stability of Polymer–Fullerene Solar Cells. Advanced Functional Materials. 2016;26(1):51-65, DOI: 10.1002/adfm.201503256
  86. LK Preethi, RP Antony, T Mathews, SCJ Loo, LH Wong, S Dash, AK Tyagi, Nitrogen doped anatase-rutile heterostructured nanotubes for enhanced photocatalytic hydrogen production: Promising structure for sustainable fuel production, International Journal of Hydrogen Energy (2016), 41 (14), 5865-5877 DOI: 10.1016/j.ijhydene.2016.02.125

    87. 2010-2015:

  87. Gurudayal, Chee PM, Boix PP, Ge H, Yanan F, Barber J, Wong LH*, et al. Core–Shell Hematite Nanorods: A Simple Method To Improve the Charge Transfer in the Photoanode for Photoelectrochemical Water Splitting. ACS Applied Materials & Interfaces. 2015;7(12):6852-9, DOI:10.1021/acsami.5b00417
  88. Li X, Bassi PS, Boix PP, Fang Y, Wong LH*. Revealing the Role of TiO2 Surface Treatment of Hematite Nanorods Photoanodes for Solar Water Splitting. ACS Applied Materials & Interfaces. 2015;7(31):16960-6, DOI:10.1021/acsami.5b01394
  89. Dalapati GK, Batabyal SK, Masudy-Panah S, Su Z, Kushwaha A, Wong TI, Wong LH*, et al. Sputter grown sub-micrometer thick Cu2ZnSnS4 thin film for photovoltaic device application. Materials Letters. 2015;160:45-50, DOI: 10.1016/j.matlet.2015.07.089
  90. Tai KF, Fu D, Chiam SY, Huan CHA, Batabyal SK, Wong LH*. Antimony Doping in Solution-processed Cu2ZnSn(S,Se)4 Solar Cells. ChemSusChem. 2015;8(20):3504-11, DOI:10.1002/cssc.201500433
  91. Su Z, Tan JMR, Li X, Zeng X, Batabyal SK, Wong LH*. Cation Substitution of Solution-Processed Cu2ZnSnS4 Thin Film Solar Cell with over 9% Efficiency. Advanced Energy Materials. 2015;5(19), DOI: 10.1002/aenm.201500682
  92. Wenbin N, Xianglin L, Siva Krishna K, Derrick Wenhui F, Hongjin F, Santosh S, Wong LH*, et al. Applications of atomic layer deposition in solar cells. Nanotechnology. 2015;26(6):064001, DOI: 10.1088/0957-4484/26/6/064001
  93. Wang X, Li Z, Xu W, Kulkarni SA, Batabyal SK, Zhang S, Wong LH*, et al. TiO2 nanotube arrays based flexible perovskite solar cells with transparent carbon nanotube electrode. Nano Energy. 2015;11:728-35, DOI: 10.1016/j.nanoen.2014.11.042
  94. Luo J, Li Z, Nishiwaki S, Schreier M, Mayer MT, Cendula P, Wong LH*, et al. Targeting Ideal Dual-Absorber Tandem Water Splitting Using Perovskite Photovoltaics and CuInxGa1-xSe2 Photocathodes. Advanced Energy Materials. 2015;5(24):n/a-n/a, DOI: 10.1002/aenm.201501520
  95. P.Ganesan, K. Fu*, P. Gao, I.Raabe, K. Schenk, R. Scopelliti, J.Luo, L. H. Wong, M.Grätzel, M.K. Nazeeruddin, A simple spiro-type hole transporting material for efficient perovskite solar cells, Energy ; Environmental Science 2015 Volume: 8 Issue: 7 Pages:1986-1991 DOI: 10.1039/C4EE03773A
  96. J. Sun*, M. Nguyen^, K.F. Tai, V. Nalla, S. Batabyal^, L.H. Wong, Effect of Zn(O,S) buffer layer thickness on Charge carrier relaxation dynamics of CuInSe2 solar cell Solar Energy, Solar Energy, 2015, Solar Energy 115, 396-404 DOI: 10.1016/j.solener.2015.03.008
  97. Y Chen*, PD Tran, P Boix, Y Ren, SY Chiam, Z Li^, K Fu, LH Wong, J Barber, Silicon Decorated with Amorphous Cobalt Molybdenum Sulfide Catalyst as An Efficient Photocathode For Solar Hydrogen Generation, ACS Nano, 2015, 9 (4), 3829-3836DOI: 10.1021/nn506819m
  98. Li Q, Antony RP, Wong LH*, Ng DH. Promotional effects of cetyltrimethylammonium bromide surface modification on a hematite photoanode for photoelectrochemical water splitting. RSC Advances. 2015;5(121):100142-6, DOI: 10.1039/C5RA20529H
  99. Gurudayal, Sabba D, Kumar MH, Wong LH*, Barber J, Grätzel M, et al. Perovskite–Hematite Tandem Cells for Efficient Overall Solar Driven Water Splitting. Nano Letters. 2015;15(6):3833-9, DOI: 10.1021/acs.nanolett.5b00616
  100. Md. Anower Hossain, Zhang Tianliang, Lee Kian Keat, Li Xianglin, Rajiv R. Prabhakar, Sudip K. Batabyal, Subodh G. Mhaisalkar and Lydia H. Wong*, Synthesis of Cu(In,Ga)(S,Se)2 thin films using an aqueous spray-pyrolysis approach, and their solar cell efficiency of 10.5%, J. Mater. Chem. A, 2015, DOI: 10.1039/C4TA05783J
  101. Xiaoyan Wang , Zhen Li , Wenjing Xu, Sneha A. Kulkarni, Sudip K. Batabyal, Sam Zhang, Anyuan Cao, Lydia Helena Wong*, TiO2 nanotube arrays based flexible perovskite solar cells with transparent carbon nanotube electrode, Nano Energy 2015, volume11, pp 728–735, DOI: 10.1016/j.nanoen.2014.11.042
  102. C. Guan, X.L. Li^, H. Yu, L. Mao, L.H. Wong, Q.Y Yan, J. Wang, A novel hollowed CoO-in-CoSnO3 nanostructure with enhanced lithium storage capabilities, Nanoscale Volume: 6 Issue: 22 Pages: 13824-13830DOI: 10.1039/C4NR04505J
  103. V. Nalla, JCW Ho*, S.K. Batabyal^, Y. Wang, AIY Tok, HD Sun, LH Wong, N Zheludev, Photophysical investigation of charge recombination in CdS/ZnO layers of CuIn(S, Se)(2) solar cell, RSC Advances Volume: 4 Issue: 102 Pages: 58372-58376 Published: 2014DOI: 10.1039/C4RA10933C
  104. P.S Bassi*, S.Y. Chiam, Gurudayal*, J.Barber, L.H. Wong, Hydrothermal Grown Nanoporous Iron Based Titanate, Fe2TiO5 for Light Driven Water Splitting, ACS APPLIED MATERIALS & INTERFACES Volume: 6 Issue: 24, 2014, Pages: 22490-22495,DOI: 10.1021/am5065574
  105. Zhenggang Li, John C. W. Ho, Kian Keat Lee, Xin Zeng, Tianliang Zhang, Lydia Helena Wong and Yeng Ming Lam, Environmentally friendly solution route to kesterite Cu2ZnSn(S,Se)4 thin films for solar cell applications, RSC Adv., 2014,4, 26888-26894, DOI: 10.1039/C4RA03349C
  106. J.M.R. Tan, Y.H. Lee, S. Pedireddy, T. Baikie, X.Y. Ling, and L.H. Wong*, Understanding the Synthetic Pathway of Single Phase Quarternary Semiconductor using Surface-enhanced Raman Scattering: A Case of Wurtzite Cu2ZnSnS4 Nanoparticles, J. Am. Chem. Soc. 2014, Volume: 136 Issue: 18 Pages: 6684-6692, DOI: 10.1021/ja501786s
  107. Zhen Li, Sneha A. Kulkarni, Pablo P. Boix, Enzheng Shi, Anyuan Cao, Kunwu Fu, Sudip K. Batabyal, Jun Zhang , Qihua Xiong , Lydia Helena Wong* , Nripan Mathews*, and Subodh G. Mhaisalkar. Laminated Carbon Nanotube Networks for Metal Electrode-Free Efficient Perovskite Solar Cells. ACS Nano, 2014, 8 (7), pp 6797–6804 DOI: 10.1021/nn501096h
  108. H.M. Lim, J.Y. Tan, S.Batabyal, S. Mhaisalkar, S. Magdassi, L.H. Wong, Photoactive Nanocrystals by Low-Temperature Welding of Copper Sulfide Nanoparticles and Indium Sulfide Nanosheets,ChemSusChem 2014, Volume 7, Issue 12, pp 3290–3294, DOI: 10.1002/cssc.201402333
  109. H. Li, Kunwu Fu, Pablo P. Boix, Lydia H. Wong, Anders Hagfeldt, Michael Grätzel, Subodh G. Mhaisalkar,and Andrew C. Grimsdale, Hole-Transporting Small Molecules Based on Thiophene Cores for High Efficiency Perovskite Solar Cells, ChemSusChem 2014, Volume 7, Issue 12, pages 3420–3425, DOI: 10.1002/cssc.201402587
  110. Kunwu Fu, Swee Sien Lim, Yanan Fang, Pablo P. Boix, Nripan Mathews, Tze Chien Sum, Lydia H. Wong*, Subodh Mhaisalkar*. Modulating CH3NH3PbI3 perovskite crystallization behavior through precursor concentration, NANO 2014,Vol. 9, No. 5, 1440003 (1-9), DOI: 10.1142/S1793292014400037
  111. R. Prabhakar, Huu Loc, Nguyen; Kumar, Mulmudi, Boix, Pablo P. Juan, Sun; John, Rohit; Batabyal, Sudip; Wong, Lydia, Facile Water based Spray Pyrolysis of Earth Abundant Cu2FeSnS4 Thin Films as an Efficient Counter Electrode in Dye-Sensitized Solar Cells, ACS Applied Materials and Interfaces, 2014 ;6(20):pp 17661–17667,10.1021/am503888v
  112. J.C.W. Ho, T. Zhang, K.K. Lee, S.K. Batabyal, A.I.Y. Tok, and L.H. Wong*, Spray pyrolysis of CuIn(S,Se)2 solar cells with 5.9% efficiency: a method to prevent Mo oxidation in ambient atmosphere, ACS Appl. Mater. Interfaces, 2014, 6 (9), pp 6638–6643, DOI: 10.1021/am500317m
  113. Gurudayal, S.Y. Chiam, M.H. Kumar, P.S. Bassi, H.L.Seng, J. Barber, and L.H. Wong*, Improving the Efficiency of Hematite Nanorods for Photoelectrochemical Water Splitting by Doping with Manganese, ACS Appl. Mater. Interfaces 2014, Volume: 6 Issue: 8 Pages: 5852-5859, DOI: 10.1021/am500643y
  114. Bassi, P. S.; Gurudayal; Wong, L. H.*; Barber, J., Iron based photoanodes for solar fuel production. Physical Chemistry Chemical Physics 2014,16, 11834-11842, DOI: 10.1039/C3CP55174A
  115. Chen Yang, Tran D. Phong, Pablo P. Boix, Prince S. Bassi, Natalia Yantara, Lydia. H. Wong, James Barber, Engineering a Cu2O/NiO/Cu2MoS4 hybrid photocathode for H2 generation in Water, Nanoscale, 2014,6, 6506-6510, DOI: 10.1039/C4NR00386A
  116. J. Sun, S. K. Batabyal, P. D. Tran and L. H. Wong, Electrodeposition of single phase CuInSe2 for solar energy harvesting: Role of different acidic additives, Journal of Alloys and Compounds, 2014, Volume: 591, Pages: 127-131 DOI:10.1021/jp304285r
  117. X. Zeng and L. H. Wong et al, Cu2ZnSn(S,Se)4 kesterite solar cell with 5.1% efficiency using spray pyrolysis of aqueous precursor solution followed by selenization, Solar Energy Materials and Solar Cells, 2014, DOI:10.1016/j.solmat.2014.01.029
  118. Sun, Cheng; Karthik, K. R. G.; Pramana, Stevin S.L.H. Wong, et al, The role of tin oxide surface defects in determining nanonet FET response to humidity and photoexcitation, Journal of Materials Chemistry C, 2014, Volume: 2 Issue: 5 pp: 940-945, DOI:10.1039/C3TC31713G
  119. Xi. L, SY. Chiam, W.F Mak, PD. Tran, J. Barber, SCJ Loo, L.H. Wong* et al, A novel strategy for surface treatment on hematite photoanode for efficient water oxidation, Chem. Science., 2013, Volume: 4 Issue: 1 Pages: 164-169, DOI:10.1039/C2SC20881D
  120. R.L. Lee, P.D. Tran, S.S. Pramana, S.Y. Chiam, Y. Ren, S. Meng, L.H. Wong*, J. Barber, Assembling graphitic-carbon-nitride with cobalt-oxide-phosphate to construct an efficient hybrid photocatalyst for water splitting application, CATALYSIS SCIENCE & TECHNOLOGY, 2013, Volume: 3 Issue: 7 Pages: 1694-1698, DOI:10.1039/C3CY00054K
  121. J.H Oh, L.H Wong, H. Yu, Y.J. Park, J.M Kim, and Z.Bao, Observation of orientation-dependent photovoltaic behaviors in aligned organic nanowires, Appl. Phys. Lett. 103, 053304 (2013), DOI:10.1063/1.4817299
  122. San, Leong Lup; Benfu, Lin; Hong, Yu, L.H. Wong, et al, The Effect of Cu CMP Pad Clean on Defectivity and Reliability, IEEE Transactions on Semiconductor Manufacturing (2013) Volume: 26 Issue: 3 Pages: 344-349, DOI:10.1109/TSM.2013.2271385
  123. Hui Min Lim, Sudip K. Batabyal, Stevin S. Pramana, L. H. Wong, S. Magdassi, and S. G. Mhaisalkar, Chemical Welding of Binary Nanoparticles: Room Temperature Sintering of CuSe and In2S3 Nanoparticles for Solution-processed CuInSxSe1−x Solar Cells, Chem Comm (Advance Article 2013) DOI:10.1039/C3CC00022Bp
  124. M.Nguyen, P.D. Tran, SS. Pramana, Rui Lin Lee, Sudip K. Batabyal, Nripan Mathews, L.H. Wong* and Michael Graetzel, In situ photo-assisted deposition of MoS2 electrocatalyst onto zinc cadmium sulphide nanoparticle surfaces to construct an efficient photocatalyst for hydrogen generation, Nanoscale (2013) Volume: 5 Issue: 4 Pages: 1479-1482, DOI:10.1039/C2NR34037B
  125. Cai Y, J. Ho, S.K. Batabyal, Y. Sun, W. Liu, S.G. Mhaisalkar and L.H. Wong, Nanoparticle-induced grain growth of Carbon-free solution processed CuIn(S,Se)2 solar cell with 6% efficiency, ACS Appl. Mater. Interfaces, 2013, 5 (5), pp 1533–1537 DOI:10.1021/am303057z
  126. PD. Tran, M. Nguyen, L.H. Wong, et al, Copper Molybdenum Sulfide: a New Efficient Electrocatalyst for Hydrogen Production from Water, Energy & Environmental Science Volume: 5 Issue: 10 Pages: 8912-8916 DOI:10.1039/C2EE22611A
  127. Xi, Lifei; Bassi, Prince Saurabh; Chiam, Sing Yang; L.H. Wong, et al, Surface treatment of hematite photoanodes with zinc acetate for water oxidation, Nanoscale 2012, Volume: 4 Issue: 15 Pages: 4430-4433 DOI:10.1039/C2NR30862B
  128. Xi, L., Tran, P.D., Chia, S.Y., Bassi, P.S., Mak, W.F., Mulmudi, H.K., Batabyal, S.K., Barber, J. and Loo, J.S.C. and Wong, L.H. (2012) Co3O4 decorated hematite nanorods as efficient photoanode for solar water oxidation J. Phys. Chem. C. 116, 13884-13889 DOI:10.1021/jp304285r
  129. J. Ho, S.K. Batabyal, L.H. Wong et al, Optical and Electrical Properties of Wurtzite Copper Indium Sulfide Nanoflakes, Materials Express 2012 Vol. 2, No. 4, p 344-350 DOI:10.1166/mex.2012.1091
  130. Tran, Phong D.; Xi, Lifei; Batabyal, Sudip K.; L.H. Wong, et al, Enhancing the photocatalytic efficiency of TiO2 nanopowders for H-2 production by using non-noble transition metal co-catalysts, Physical Chemistry Chemical Physics (2012) Volume: 14 Issue: 33 Pages: 11596-11599 DOI:10.1039/C2CP41450C
  131. Tran, Phong D.; Batabyal, Sudip K.; Pramana, Stevin S., L.H. Wong, et al, A cuprous oxide-reduced graphene oxide (Cu2O-rGO) composite photocatalyst for hydrogen generation: employing rGO as an electron acceptor to enhance the photocatalytic activity and stability of Cu2O, Nanoscale Volume: 4 Issue: 13 Pages: 3875-3878 DOI:10.1039/C2NR30881A
  132. P.D. Tran, L.H. Wong, J. Barber, JSC. Loo, Recent advances in hybrid photocatalysts for solar fuel production , Energy and Environmental Science, 2012, 5(3), 5902-5918 DOI:10.1039/C2EE02849B
  133. J. Sun, C. Sun, S.K. Batabyal, P.D. Tran, S.S. Pramana, L.H. Wong, S.G. Mhaisalkar, Morphology and stoichiometry control of hierarchical CuInSe2/SnO2 nanostructures by directed electrochemical assembly for solar energy harvesting, Electrochemistry Communications, 2012, 15(1), 18-21 DOI:10.1016/j.elecom.2011.11.015
  134. T.Z. Oo, N. Mathews, G.Xing, B.Wu, B. Xing, L.H. Wong, T. C. Sum, and S. G. Mhaisalkar, Ultrafine Gold Nanowire Networks as Plasmonic Antennae in Organic Photovoltaics, J. Phys Chem C, 2012, 116 (10), 6453-6458 DOI:10.1021/jp2099637
  135. T.Z. Oo, D. Panicker, N. Yantara, R.R. Prabhakar, L.H. Wong, N. Mathews, S.G. Mhaisalkar, Zinc Tin Oxide (ZTO) electron transporting buffer layer in inverted organic solar cell, Organic Electronics, In Press, Uncorrected Proof, Available online 31 January 2012 DOI:10.1016/j.orgel.2012.01.0117
  136. X. Dou, D. Sabba, N. Mathews, L.H. Wong, Y.M. Lam and S. Mhaisalkar, Hydrothermal Synthesis of High Electron Mobility Zn-doped SnO2 Nanoflowers as Photoanode Material for Efficient Dye-Sensitized Solar Cells, Chem of Mat, 2011, 23(17), 3938-3945 DOI:10.1021/cm201366z
  137. T. Salim, L.H. Wong, B. Bauer, Y.L. Foo, Z. Bao, Y.M. Lam, Solvent Additives and Their Effects on the Morphology of Bulk Heterojunction Solar Cells, J. Mater. Chem., 2011, 21, 242 DOI:10.1039/C0JM01976C
  138. S. Sun, T. Salim, L.H. Wong, Y.L. Foo, F.Y.C. Boey, Y.M. Lam, Controlling the Growth of Poly(3-hexylthiophene) Nanofiber Formation through Mixed-Solvent Approach and Their Effects for Organic Photovoltaics Applications, Journal of Materials Chemistry, 21(2): 377-386 2011 DOI:10.1039/C0JM02109A
  139. J. Y. Lek, L.F. Xi, B.E. Kardynal, L.H. Wong, Y.M. Lam, Understanding the Effect of Surface Chemistry on Charge Generation and Transport in P3HT/CdSe Hybrid Solar Cell, ACS Appl. Mater. Interfaces., 2011, 3, 287-292. DOI:10.1021/am100938f
  140. X. Dou, H. Li, N. Mathews, L.H. Wong, Y.M. Lam and S. Mhaisalkar, Cu-S Nanocabbage Films with Tunable Optical Bandgap and Substantially Improved Stability by Pulse Electrodeposition, Journal of The Electrochemical Society, 158, 1-3, 2011 DOI:10.1149/1.3579419
  141. C. Sun, N. Mathews, M.R.Zheng, C.H.Sow, L.H. Wong and S.G. Mhaisalkar, High performance transistors from aligned tin oxide nanonets, J. Phys Chem C 2010, 114 (2), pp 1331–1336 DOI:10.1021/jp909673j
  142. T. Salim, S. Sun, L.H. Wong, L. Xi, Y.L. Foo, Y.M. Lam, The Role of Poly(3-hexylthiophene) Nanofibers in an All-Polymer Blend with a Polyfluorene Copolymer for Solar Cell Applications, J. Phys Chem C 2010, 114 (20), pp 9459-9468 DOI:10.1021/jp911553s
  143. T.Z.Oo, N. Mathews, T.L. Tam, G. C. Xing, T. C. Sum, A. Sellinger, L.H. Wong, S.G. Mhaisalkar, Investigation of photophysical, morphological and photovoltaic behavior of poly(p-phenylene vinylene) based polymer/oligomer blends, Thin Solid Film 2010, 518, pp. 5292-5299 DOI:10.1016/j.tsf.2010.04.115
  144. Karthik, K. R. G., Andreasson, B. P., Sun, C., Pramana, S. S., Varghese, B., Sow, C. H., Mathews, N., L.H. Wong, S. G. Mhaisalkar, Physical and electrical properties of a single Zn2SnO4 nanowire. Electrochem. and Solid State Lett. 2010, 14, pp K5-K7. DOI:10.1149/1.3505875

    145. 2001-2009:

  145. L.H. Wong, C. Ferraris, C.C. Wong and J.P. Liu, Strain relaxation mechanism of a reverse-graded SiGe buffer layer, Applied Physics Letters 90, 061913 (2007) DOI:10.1016/j.tsf.2010.04.115
  146. L.H. Wong, C.C. Wong, F. Romanato, J.P. Liu, F.Y. Lim, Threading-dislocation reduction mechanisms assisted by SiGeC domains, Applied Physics Letters 89, 231906 (2006) DOI:10.1063/1.2402227
  147. L.H. Wong, J.P. Liu, C. Ferraris, C.C. Wong, M.C. Jonathan, T.J. White, L. Chan, Low dislocation density strain relaxation of SiGe on a SiGe/SiGeC buffer layer, Applied Physics Letters 88, 041915 (2006) DOI:10.1063/1.2165283
  148. L.H. Wong, J.P. Liu, C.C. Wong, C. Ferraris, T.J. White, L. Chan, D.K. Sohn, L.C. Hsia, Thermal stability of a reverse-graded SiGe buffer layer for relaxed SiGe, Electrochemical Society Solid-State Letters 9 (4), G114-G116, (2006) DOI:10.1149/1.2168289
  149. L.H. Wong, C.C. Wong, J.P.Liu, D.K. Sohn, L. Chan, L.C.Hsia, H.Zang, Z.H. Ni, Z.X. Shen, Determination of Raman phonon strain shift coefficient of strained Si and strained SiGe,Japanese Journal of Applied Physics Part 1, 44 (11), p 7922 (2005) DOI:10.1143/JJAP.44.7922
  150. J.P. Liu, L.H. Wong, D. K. Sohn, L.C. Hsia, L. Chan, C.C. Wong, H.J. Osten, A novel thin buffer concept for epitaxial growth of relaxed SiGe layers with low threading dislocation density, Electrochem. Solid-State Letters, 8 (2), p G60-G62, (2005) DOI:10.1149/1.1848295
  151. L.H.Wong, C.C. Wong, K.K. Ong, J.P. Liu, L. Chan, R.Rao,K.L. Pey, L. Liu, Z.X.Shen, Thermal stability of strained Si/Si1-xGex heterostructures for advanced microelectronics devices, Thin Solid Film 462-463, p 76-79, (2004) DOI:10.1016/j.tsf.2004.05.050
  152. L. Wong, B. Tio and X. Miao, Functionally Gradient Tricalcium Phosphate/Fluoroapatite Composites, Mater. Sci and Eng C20 (1-2), p 111-115, (2002) DOI:10.1016/S0928-4931(01)00452-0

Patents

1. Method of manufacturing A Semiconductor device with a strained channel, US Patent No 7,238,581. (July, 3rd 2007)
2. Method of fabricating a nitrogenated silicon oxide layer and MOS device having same- US Patent 7,928,020, 2011
3. Ultrathin Metal Nanowires for Plasmon Enhanced Solar Cells, filed for US Patent (2011)
4. Carbon Free CIGS and CZTS type Devices on Mo Substrates by Spray Pyrolysis in Ambient Environment, filing for Technology Disclosure (A*STAR), 2014
5. Semiconducting Photovoltaic Materials, Singapore patent provisional number 10201500290Y, 2015