Faculty Member

Subrata Sinha
Reader
_________________________________

Department
Integrated Science Education and Research Centre (ISERC)

Areas of Specialisation
 Spectroscopy

Photo- and electroluminescence of conjugated polymers

Organic solar cell

Photophysics of biologically important organic molecules

Artificial photosynthesis
   

 
Date of Birth 20th November 1967
Qualification
Year Degree College/University
1990 B.Sc. in Physics Tripura University, Agartala
1993 M.Sc. (Physics) Jadavpur University, Kolkata
1998 Ph.D (Sci.) IACS (Jadavpur University), Kolkata
Teaching/Research Experience
From May 2009 till date: Reader in ISERC, Visva-Bharati, Santiniketan, West Bengal
From November 2005 to May 2009: Lecturer in Physics, Banaras Hindu University, Varanasi, Uttar Pradesh
From April 2005 to November 2005: Lecturer in Physics, Bidhan Chandra College, Asansol, West Bengal
From February 2004 to March 2005: Post-doc Research Assistant, Lund University, Lund, Sweden
From August 2001 to June 2003: Post-doc Research Assistant, University of Durham, Durham, England
From January 2000 to January 2001: JSPS Fellow, Kyoto University, Kyoto, Japan
From January 1999 to December 1999: COE (Centre of Excellence) Researcher, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
From September 1998 to January 1999: Research Associate – I, Indian Association for the Cultivation of Science, Kolkata
From February 1995 to September 1998: Research Fellow, IACS, Kolkata
PUBLICATIONS
(A) Papers published in refereed journals: 25
(B) Papers accepted in conferences: 17
PUBLICATIONS IN REFEREED JOURNALS
A25. Fluorescence quenching of 9-cyanoanthracene in presence of zinc tetraphenylporphyrin in a polar liquid medium. Paulami Mandal, Sanat Kumar Tiwari, Tapan Ganguly, Subrata Sinha. J. Lumin., 129, 958-965, 2009.
A24. Synthesis and electron transfer studies of ruthenium-terpyridine-based dyads attached to nanostructured TiO2. H. Wolpher, S. Sinha, J. Pan, A. Johansson, M. J. Lundqvist, P. Persson, R. Lomoth, J. Bergquist, L. Sun, V. Sundstrom, B. Akermark and T. Polivka. Inorg. Chem., 46, 638-651, 2007.
A23. Excited state processes in the carotenoid Zeaxanthin after excess energy excitation. H. H. Billsten, J. Pan, S. Sinha, T. Pascher, V. Sundstrom and T. Polivka. J. Phys. Chem. A, 109, 6852-6859, 2005.
A22. Delayed recombination of detrapped space charge carriers in poly[2-methoxy-5-(2/-ethyl-hexyloxy)-1,4-phenylene vinylene] based light emitting diode. S. Sinha and A. P. Monkman. J. Appl. Phys., 97, 114505-1 - 114505-7, 2005.
A21. Delayed electroluminescence from conjugated polymers. S. Sinha. Recent Res. Devel. Applied Phys., 7, 2004.
A20. Population and decay of keto states in conjugated polymers. S. I. Hintschich, C. Rothe, S. Sinha, A. P. Monkman, P. Scandiucci de Freitas and U. Scherf. J. Chem. Phys., 119, 12017-12022, 2003.
A19. Space charge mediated delayed electroluminescence from polyfluorene thin film. S. Sinha, R. Güntner, U. Scherf and A. P. Monkman. Appl. Phys. Lett., 82, 4693-4695, 2003.
A18. Delayed electroluinescence via triplet-triplet annihilation in light emitting diodes based on poly[2-methoxy-5-(2/-ethyl-hexyloxy)-1,4-phenylene vinylene]. S. Sinha and A. P. Monkman. Appl. Phys. Lett., 82, 4651-4653, 2003.
A17. Effect of electric field, solvent and concentration on the electroluminescence spectra and performance of poly[2-methoxy-5-(2/-ethyl-hexyloxy)-1,4-phenylene vinylene] based light emitting diodes. S. Sinha and A. P. Monkman. J. Appl. Phys., 93, 5691-5700, 2003.
A16. Photophysics of poly (2,5-pyridine diyl). S. Sinha, C. Rothe, A. Beeby, L. E. Horsburgh and A. P. Monkman. Synth. Met., 135-136, 371-372, 2003.
A15. Electrophosphorescence and delayed electroluminescence from pristine polyfluorene thin film devices at low temperature. S. Sinha, C. Rothe, R. Güntner, U. Scherf and A. P. Monkman. Phys. Rev. Lett., 90, 127402-1 – 127402-4, 2003
A14. Detailed investigations on the photophysical properties of poly (2,5-pyridine diyl). S. Sinha, C. Rothe, A. Beeby, L. E. Horsburgh and A. P. Monkman. J. Chem. Phys., 117, 2332-2336, 2002.
A13. Origin of the stabilization energy of perylene excimer as studied by fluorescence and near-IR transient absorption spectroscopy. Ryuzi Katoh, Subrata Sinha, Shigeo Murata and M. Tachiya. J. Photochem. Photobiol. A Chem., 145, 23-34, 2001.
A12. Non-radiative transitions of 2-methylindole and 2-methylindoline in presence of the electron acceptor 2-nitrofluorene at the ambient as well as at liquid N2 temperatures. M. Maiti, T. Misra, T. Bhattacharya, S. Sinha and T. Ganguly. Indian J. Phys., 75A(6), 615, 2001.
A11. Photoinduced electron transfer (ET) within some novel synthesized derivatives of phenanthrene acting as donors and 9-fluorenone / 9-cyanoanthracene behaving as acceptors. M. Maiti, T. Misra, S. Sinha, S. K. Pal, D. Mukherjee, R. D. Saini and T. Ganguly. J. Lumin., 93, 261-274, 2001.
A10. Photophysics of 4-methoxy-benzo[b]thiophene in different environments. Its role in non-radiative transitions both as an electron and as an energy donor. M. Maiti, S. Sinha, C. Deb, A. De and T. Ganguly. J. Lumin., 82, 259-276, 1999.
A09. Investigations on the nature of non-radiative transitions from excited singlet and triplet states of dimethyl substituted phenols in presence of the acceptor 2-nitrofluorene at 77 K. S. Sinha and T. Ganguly. J. Photochem. Photobiol. A : Chem., 117, 83-90, 1998.
A08. Investigations on the photophysical properties of 2-methylindole and 2-methylindoline in various environments. Studies on the nature of non-radiative transitions in presence of the electron acceptor 2-nitrofluorene. S. Sinha and T. Ganguly. J. Lumin., 79, 201-209, 1998.
A07. Effects of protic and aprotic solvents on quenching mechanisms involving dimethyl-substituted donors and tetracyanoquinodimethane (TCNQ). A. K. De, S. Sinha, S. K. Nandy and T. Ganguly. J. Chem. Soc. Faraday Trans., 94, 1695-1700, 1998.
A06. Photophysical properties of some methylindoles and studies on quenching reactions in their excited singlet and triplet states in presence of the electron acceptor 2-nitrofluorene at 296 K as well as at 77 K. S. Sinha, R. De and T. Ganguly. Spectrochim. Acta Part A, 54, 145-157, 1998.
A05. Investigations of excited state quenching reactions between p-toluidine, its N,N-dimethyl derivative and the acceptor dimethylterephthalate at different temperatures. S. Sinha, R. De and T. Ganguly. J. Photochem. Photobiol. A : Chem., 112, 13-20, 1998.
A04. Photophysical studies of indole and methylindoles in microheterogeneous medium. R. De, S. Sinha and T. Ganguly. IL Nuovo Cimento, 19D, 955-965, 1997.
A03. Studies on quenching reactions in the excited electronic states of tetrahydronaphthols both at the ambient temperature as well as at 77 K. S. Sinha, R. De, A. K. De, S. K. Nandy and T. Ganguly. J. Lumin., 75, 99-116, 1997.
A02. Electron transfer reactions in the excited singlet states of dimethyl substituted phenols-2-nitrofluorene systems : Evidence for the Marcus inverted region and concurrent occurrence of energy transfer processes. S. Sinha, R. De and T. Ganguly. J. Phys. Chem. A, 101, 2852-2858, 1997.
A01. Role of 3,5-dimethyl anisole (DMA) as an electron donor in photoinduced electron transfer (ET) reactions. S. Sinha, R. De and T. Ganguly. Radiat. Phys. Chem., 49, 111-114, 1997.