howe-siang tan research group

 

 

 

 

 

 

Announcements...

• Postdoctoral Positions available in ultrafast multidimensional optical spectroscopy, to study energy transfer processes in photosynthetic and related systems.
  
• PhD student positions are available. Applicants should have an undergraduate degree in either Physics or Chemistry

For more information, please email: howesiang_at_ntu.edu.sg

Some of our Recent Publications...

      

"Inter-subunit Energy Transfer Processes in a Minimal Plant Photosystem II Supercomplex", Sci. Adv. 10 (8) eadh0911 (2024). DOI
"Measuring the Ultrafast Correlation Dynamics of a Multilevel System Using the Center Line Slope Analysis in Two-Dimensional Electronic Spectroscopy" J. Phys. Chem. B 33, 7309-7322 (2023). DOI
"Measuring the Ultrafast Spectral Diffusion and Vibronic Coupling Dynamics in CdSe Colloidal Quantum Wells using Two-Dimensional Electronic Spectroscopy" ACS Nano 17, 2411-2410 (2023). DOI
"Ultrafast Excitation Energy Transfer Dynamics in the LHCII−CP29−CP24 Subdomain of Plant Photosystem II" J. Phys. Chem. Lett. 13, 4263-4271 (2022). DOI
"Two-dimensional electronic spectroscopy of the Qx to Qy relaxation of chlorophylls a in photosystem II core complex" J. Chem. Phys. 156, 145102 (2022). Special Issue: Photosynthetic Light-Harvesting and Energy Conversion.  DOI
"Ultrafast excitation quenching by the oxidized photosystem II reaction center" J. Chem. Phys. 156,  145101 (2022). Special Issue: Photosynthetic Light-Harvesting and Energy Conversion.  DOI
"Two-Dimensional Electronic Spectroscopy of a Minimal Photosystem I Complex Reveals the Rate of Primary Charge Separation", J. Am. Chem. Soc. 143, 14601-14612 (2021) DOI
"Characterization of the ultrafast spectral diffusion and vibronic coherence of TIPS-pentacene using 2D electronic spectroscopy" J. Chem. Phys. 155,  014302 (2021). Special Issue: Coherent Multidimensional Spectroscopy.  DOI
"Regarding Expressions of the Oscillatory Patterns in the 2D Spectra of a Displaced Oscillator Model", Chem. Phys. 546, 111142 (2021). DOI
"An Exciton Dynamics Model of Bryopsis Corticulans Light-Harvesting Complex II" J. Phys. Chem. B 125 (4), 1134-1143 (2021). Virtual Special Issue "Yoshitaka Tanimura Festschrift".  DOI
"Observing the Fluctuation Dynamics of Dative Bonds Using Two Dimensional Electronic Spectroscopy"  J. Phys. Chem. Lett. 12, 165-170 (2021). DOI
"Hierarchical Equations of Motion Simulation of Temperature-Dependent Two-Dimensional Electronic Spectroscopy of the Chlorophyll a Manifold in LHCII"  Chem. Asian J. 15, 1996-2004 (2020). Special Collection for the 50th Anniversary of the Singapore National Institute of Chemistry. DOI.
"Spectral Tuning of Light-Harvesting Complex II in the Siphonous Alga Bryopsis Corticulans and its Effect on Energy Transfer Dynamics" Biochim. Biophys. Acta, Bioenerg. 1861 (7), 148191 (2020). DOI
"Quantum Biology Revisited" Sci. Adv. 6 eaaz4888 (2020). DOI
"Insights into the Mechanisms and Dynamics of Energy Transfer in Plant Light-Harvesting Complexes from Two-Dimensional Electronic Spectroscopy" Biochim. Biophys. Acta, Bioenerg. 1861 (4), 148050 (2020). Review Article in the Light Harvesting Special Issue.  DOI
"Revealing the Excitation Energy Transfer Network of Light Harvesting Complex II by Phenomenological Analysis of Two-Dimensional Electronic Spectra" J. Chem. Phys. 151 205101 (2019). Special Issue: Ultrafast molecular sciences by femtosecond photons and electrons  DOI
"Measuring Ultrafast Spectral Diffusion and Correlation Dynamics by Two-Dimensional Electronic Spectroscopy" Chem. Asian J. 14 (22), 3992-4000 (2019). Featured on the front cover of the Special Issue dedicated to the 18th Asian Chemical Congress (ACC). DOI. Special Issue DOI
"Studying the spectral diffusion dynamics of chlorophyll a and chlorophyll b using two-dimensional electronic spectroscopy", Chem. Phys. 527, 110480 (2019). Special Issue: Photosynthetic Light Harvesting: Insights from Multidisciplinary Approaches. DOI
"Temperature Dependence of the Energy Transfer in LHCII Revealed by Two-Dimensional Electronic Spectroscopy" J. Phys. Chem. B 123 (31), 6765-6775 (2019). Virtual Special Issue "Hai-Lung Dai Festschrift".  DOI
"Measuring the Ultrafast Correlation Dynamics between the Qx and Qy Bands in Chlorophyll Molecules" J. Phys. Chem. B 123 (6), 1359-1364 (2019). Included in JPC's Virtual Issue on Ultrafast Spectroscopy  DOI
"The effect of laser pulse bandwidth on the measurement of the frequency fluctuation correlation functions in 2D electronic spectroscopy", Chem. Phys. 515, 214-220 (2018). Special Issue: Ultrafast Photoinduced Processes in Polyatomic Molecules: Electronic Structure, Dynamics and Spectroscopy. DOI
"Glass formation of a DMSO-water mixture probed with a photosynthetic pigment", Phys. Chem. Chem. Phys. 20, 17552-17556 (2018). (Communications). Listed in 2018 PCCP Hot Articles. DOI
"Two-dimensional electronic-Raman spectroscopy", Opt. Lett. 43, 939-942 (2018). DOI
"Excitation Transfer and Trapping Kinetics in Plant Photosystem I Probed by Two-Dimensional Electronic Spectroscopy" Photosynth. Res. 135, 239-250 (2018). DOI
"Simplified Expressions that Incorporate Finite Pulse Effects into Coherent Two-dimensional Optical Spectra", J. Chem. Phys. 147, 144103 (2017). DOI
"Two-Dimensional Spectroscopy of Chlorophyll a Excited-State Equilibration in Light-Harvesting Complex II", J. Phys. Chem. Lett., 8, 257-263 (2017). DOI

News

• 16th Jan 2024 Congratulations to Long, who gave his final PhD oral presenatation and is now officially Doctor Nguyen!
  
• 15th Jan 2024. Sachin officially join us as a PhD student! He has been awarded the prestigious Nanyang Postgraduate Research Scholarship.
  
• 18th Oct 2023. We welcome Jiayu. Jiayu is joining us as a PhD exchange student on a scholarship from the China Scholarship Council (CSC), He is currently a PhD student at Shantou University, China.
  
• 26th Sep 2023. We bid farewell to Jianjun. He will be taking up a research position at China University of Geosciences, Wuhan, China. 
  
• 1st July 2023 We welcome Zhong Kai. Kai is a RUG-NTU joint PhD student, He obtained his MSc from the University of Science and Technology of China.
• 7th Mar 2023. We welcome again Petar and Parveen. As visiting scientists, they will be with us for the next two months.
• 2nd Nov 2022. We bid farewell to Nhut, who will be joining the Kennis Group at Vrije Universiteit Amsterdam as a postdoc.
  
• 28th Sep 2022. We welcome Jianjun to our research group. Jianjun joins us as an International Postdoctoral Exchange Fellow, a fellowship awarded by the China Postdoctoral Council. He obtained his PhD from Wuhan University of Technology, Hubei, China.
  
• 7th Sep 2022. We welcome Sanjib to our research group. Sanjib joins us as a Postdoctoral Research Fellow. He received his PhD from the Indian Institute of Science (IISc), Bangalore, India.
  
• 14th July 2022 We welcome Shuyue  to our research group. Shuyue is an exchange student from the University of Science and Technology China, and will be with us till the end of 2022.
• 31st Mar. 2022 We welcome Monica to our research group. Monica is an exchange student from University of Malaya, and will be with us till June 2022.
  
• 1st Sept 2021 We welcome Abishai and Sachin to our group as URECA students.
  
• 20th Aug 2021 We bid farewell to Viet. Viet is moving to Lausanne, Switzerland to start on his PhD studies at EPFL.
  
• 17th Jun 2021 Our article "Measuring the Ultrafast Correlation Dynamics between the Q_x and Q_y Bands in Chlorophyll Molecules" has been recently included in JPCB's Virtual Issue on Ultrafast Spectroscopy
  
• 10th Dec.2020 Congratulations to Nhut for winning the IAS-EINST pposter award at the Asian Spectroscopic Conference 2020!
• 5th Sep. .2020 We welcome Wee Ze Yu. He will be doing their URECA research projects with us.
• 18th Aug.2020 We welcome Choy Boy and Jia Hao back. They will be doing their URECA research projects with us.
  
• 13th Apr .2020 We re-welcome Nhut as a Postdoctoral Research Fellow to our group.
  
• 31st Jan. 2020 We bid Xuan farewell. Xuan will be joining Utah State University as a Postdoc Fellow.