Dr. Suman Kalyan Pal

Dr. Suman Kalyan Pal
School of Basic Sciences
IIT Mandi, Main Campus,
Kamand - 175005
Himachal Pradesh
India
Phone : 01905-2670062
Email : suman@iitmandi.ac.in
pal_suman1@rediffmail.com
GroupPage : http://faculty.iitmandi.ac.in/~suman/palresearchgroup/

Research interests

  • Exciton dynamics in quantum dots (QDs) and multiple exciton generation
  • Optoelectronics of graphene
  • Spectroscopy of organic and hybrid materials
  • Organic photovoltaics: materials and devices
  • Calculations on surfaces and nanostructured materials

Education

  • Ph. D., Indian Association for the Cultivation of science (IACS), Degree offered by Jadavpur University, 2006
  • M.Sc. (Physics), The University of Burdwan, 1997
  • B.Sc. (Physics Hons.), The University of Burdwan, 1995

Experience

  • Post Doctoral Research Fellow, Bowling Green State University, USA (2009-2010)
  • Post Doctoral Research Fellow, Lund University, Sweden (2007-2009)

Honours & Distinctions:

  • DAAD fellowship under DAAD IIT Faculty Exchange Programme 2012
  • Qualify National Eligibility Test (NET) of Physics in June, 2000

Publications

  • Sarkar, A. S.; Pal, S. K. A van der Waals p-n Heterojunction Based on Polymer-2D Layered MoS2 for Solution Processable Electronics, The Journal of Physical Chemistry C 121, no. 40 (2017) 21945.
  • Ghosh, S.; Pal, S. K.; Karki, K. J.; Pullerits, T. N. Ion Migration Heals Trapping Centers in CH3NH3PbBr3 Perovskite, ACS Energy Letters, 2 (2017)2133.
  • Mushtaq, A.; Ghosh, S.; Sarkar, A. S.; Pal, S. K. Multiple Exciton Harvesting at Zero-Dimensional/Two-Dimensional Heterostructures, ACS Energy Letters, 2 (2017) 1879.
  • Sarkar, A.; Pal, S. K. Electron-Phonon Interaction in Organic/2D-Transition Metal Dichalcogenide Heterojunctions: A Temperature-Dependent Raman Spectroscopic Study, ACS Omega, 2 (2017) 4333.
  • Ghosh, S.; Ghosh, M.; Kumar, P.; Sarkar, A. S.; Pal, S. K. Quenching of the excitonic emission of ZnO quantum dots due to Auger-assisted hole transfer to CdS quantum dots J. Phys. Chem. C 2016, 120, 27717.
  • Kumar, P.; Pal, S. K. Ultrafast multiexponential electron injection dynamics at a dye and ZnO QD interface: a combined spectroscopic and first principles study Phys. Chem. Chem. Phys. 2016, 18, 29571.
  • Kumar, P.; Kumar, S.; Ghosh, S; Pal, S. K. Femtosecond insights into direct electron injection in dye anchored ZnO QDs following charge transfer excitation Phys. Chem. Chem. Phys. 2016, 18, 20672.
  • Kumar, S.; Singh, P.; Kumar, P.; Srivastava, R.; Pal, S. K.; Ghosh, S. Exploring Emissive Charge Transfer Process in Zero-Twist Donor-Acceptor Molecular Design as Dual State Emitter J. Phys. Chem. C 2016, 120, 12723.
  • Sarkar, A. S.; Kalyani, V.; Gonsalves, K. E.; Pradeep, C. P., Pal, S. K. Ion mediated charge carrier transport in a novel radiation sensitive polyoxometalate-polymer hybrid RSC Adv. 2016, 6, 44838.
  • Kumar, P; Pal, S. K. Ab Initio Assessment of the Structural and Optoelectronic Properties of Organic-ZnO Nanoclusters J. Phys. Chem. A 2015, 119, 10067.
  • Sarkar, A. S.; Pal, S. K.; Exponentially distributed trap-controlled space charge limited conduction in graphene oxide films J. Phys. D: Appl. Phys. 2015, 48, 445501.
  • Pal, S. K. Versatile photoluminescence from graphene and its derivatives Carbon 2015, 88, 86 (Review Article).
  • Kalyani, V.; Satyanarayana, V. S. V.; Sarkar, A. S.; Kumar, A.; Pal, S. K.; Ghosh, S.; Gonsalves, K. E.; Pradeep, C. P. A Radiation sensitive hybrid polymer based on an Mn-Anderson polyoxometalate cluster and a UV active organic monomer: synergistic effects lead to improved photocurrent in a photoresponse device RSC Adv. 2015, 5, 36727.
  • Kumar, P; Pascher, T; Tachiya, M.; Pal, S. K. Global analysis of quenching of the time-resolved emission of ZnO nanocrystals by adsorbed rhodamine B on the basis of Tachiya theory J. Photobiol. Photochem. A: Chem. 2015, 296, 35.
  • Chakraborti, H.; Pal, S. K. Assessment of amine functionalized graphene nanoflakes for anode materials in Li-Ion batteries: An ab initio study Chem. Phys. Lett. 2014, 600, 118.
  • Kumar, P.; Pal, S. K. Role of decoupled defect transitions of ZnO nanocrystals in energy transfer J. Photobiol. Photochem. A: Chem. 2014, 278, 46.
  • Chakraborti, H.; Bramhaiah, K.; John, N. S.; Pal, S. K. Excited state electron transfer from aminopyrene to graphene: a combined experimental and theoretical study Phys. Chem. Chem. Phys. 2013, 15, 19932.
  • Chakraborti, H.; Sinha, S; Ghosh, S; Pal, S. K. Interfacing water soluble nanomaterials with fluorescence chemosensing : graphene quantum dot to detect Hg2+ in 100% aqueous solution Mater. Lett. 2013, 97, 78.
  • Pal, S. K.; Mereshchenko, A. S.; Butaeva, E. V.; El-Khoury, P. Z.; Tarnovsky, A. N. Global sampling of the photochemical reaction paths of bromoform by ultrafast deep-UV through near-IR transient absorption and ab initio multiconfigurational calculations J. Chem. Phys. 2013, 138, 124501.
  • Mereshchenko, A. S.; Pal, S. K.; Karabaeva, K. E.; El-Khoury, P.; Tarnovsky, A. N. Photochemistry of Monochloro Complexes of Copper(II) in Methanol Probed by Ultrafast Transient Absorption Spectroscopy J. Phys. Chem. A 2012, 116, 2791.
  • Pal, S. K.; Mereshchenko, A. S.; El-Khoury, P.; Tarnovsky, A. N. Femtosecond photolysis of CH2Br2 in acetonitrile: capturing the bromomethyl radical and bromine-atom charge transfer complex through deep-to-near UV probing Chem. Phys. Lett. 2011, 507, 69.
  • Pal, S. K.; Kesti, T.; Maiti, M.; Zhang, F.; Inganäs, O.; Hellström, S.; Andersson, M. R.; Oswald, F.; Langa, F.; Osterman, T.; Pascher, T.; Yartsev, A.; Sundström, V. Geminate Charge Recombination in Polymer/Fullerene Bulk Heterojunction Films and Implications for Solar Cell Function J. Am. Chem. Soc. 2010, 132, 12440.
  • El-Khoury, P.; Pal, S. K.; Mereshchenko, A. S.; Tarnovsky, A. N. The formation and back isomerization of iso-H2C-Br-Br on a 100-ps time scale following 255-nm excitation of CH2Br2 in acetonitrile Chem. Phys. Lett. 2010, 493, 61.
  • Pal, S. K.; Sundström, V.; Galoppini, E.; Persson, P. Calculations of Interfacial Interactions in Pyrene-Ipa Rod Sensitized Nanostructured TiO2 Dalton Trans. 2009, 10021.
  • Pal, S. K.; Bhattacharya, S.; Batabyal, S. K.; Ganguly , T. Role of TiO2 nanoparticles on the photoinduced intramolecular electron transfer reaction within a novel synthesized donor-acceptor system J. Photochem. Photobiol. A: Chem. 2007, 189, 86.
  • Mandal, P.; Sahu, T.; Misra, T.; Pal, S. K.; Ganguly, T. Experimental Investigations by using electrochemical, steady state and time resolved spectroscopic tools on the photoreactions of disubstituted indoles in presence of Tetracyanoquinodimethane (TCNQ) And a Theoretical Approach by Using Time-Dependent Density Functional Theory J. Photochem. Photobiol. A: Chem. 2007, 188, 235.
  • Ganguly, T.; Pal, S. K. Photoinduced electron transfer research to build model compounds of artificial photosynthesis and solar energy conversion (Review Article) J. Chin. Chem. Soc. 2006, 53, 219.
  • Pal, S. K.; Batabyal, S. K.; Ganguly, T. Preparation and photophysical properties of nanostructured 9-cyanoanthracene Chem. Phys. Lett. 2005, 406, 420.
  • Pal, S. K.; Sahu (nee Bhattacharya), T.; Misra, T.; Ganguly, T.; Pradhan, T. K.; De, A. Synthesis, characterization and laser flash photolysis studies of some naphthothiophenes bearing electron donor and acceptor functional groups J. Photochem. Photobiol. A: Chem. 2005, 174, 138.
  • Sahu (nee Bhattacharya), T.; Pal, S. K.; Misra, T.; Ganguly, T. Involvements of phenyldibenzophosphole and 9-phenylcarbazole in electron transfer reactions with photoexcited 9-cyanoanthracene J. Photochem. Photobiol. A: Chem. 2005, 171, 39.
  • Pal, S. K.; Sahu (nee Bhattacharya), T.; Misra, T.; Mallick, P. K.; Paddon-Row, M. N.; Ganguly, T. Experimental Investigation by Laser Flash Photolysis To Reveal the Optical and Electron-Donating Properties of Benzothiazole Derivatives and a Theoretical Approach by Using Time-Dependent Density Functional Theory J. Phys. Chem. A 2004, 108, 10395.
  • Bhattacharya, T.; Pal, S. K.; Misra, T.; Saini, R. D.; Ganguly, T. Primary electron-transfer dynamics in 2-phenylindole–9- cyanoanthracene system-A comparative study with 2-methylindole Spectrochim. Acta Part A 2004, 60, 1957.
  • Pal, S. K.; Bhattacharya, T.; Misra, T.; Saini, R. D.; Ganguly, T. Photophysics of Some Disubstituted Indoles and Their Involvements in Photoinduced Electron Transfer Reactions J. Phys. Chem. A 2003, 107, 10243.
  • Misra, T.; Bhattacharya, T.; Pal, S. K.; De, A.; Saini, R. D.; Ganguly, T. The fate of charge separation reactions within a novel synthesized bichromophore in cyclodextrin microenvironment Chem. Phys. Lett. 2003, 382, 167.
  • Misra, T.; De, A. K.; Pal, S. K.; Bhattacharya, T.; Ganguly, T. Photophysical properties of 5-hydroxyindole (5HI): Laser flash photolysis study Proc. Indian Acad. Sci. (Chem. Sci.) 2002, 114, 547.

Conference and Symposia

Oral:
  • Nanoscale Transition Metal Dichalcogenides: A Future for Electronic Applications in the EMCA 2017, NIT Durgapur, Durgapur, March 15-17, 2017.
  • Polymer-MoS2 Nanoheterojuctions for Solution Processable Electronics in the NCRAMSS 2017, Shri Mata Vaishno Devi University, Katra, February 15-17, 2017.
  • Nanoscale Polymer Grafted-MoS2 for Optoelectronic Applications in the IUMRS-ICYRAM 2016, IISC Bangalore, December 13-15, 2016.
  • Carrier Dynamics in Dye Anchored Quantum Dots (QDs): Femtosecond Insights in the Theme Meeting of Ultrafast Sciences UFS-2015, November 19-21, SNBNCBS Kolkata.
  • Time-Resolved Spectroscopic Studies on Photoexcited Processes in Composites of Graphene and Semiconductor Nanomaterials with Organic Molecules in the International Conference on Frontiers of Spectroscopy, BHU, January 10-12, 2015.
  • Photoinduced Processes in Graphene and Semiconductor Nanocrystals Based Materials: Spectroscopic and First-Principles Studies in the 8th Asian Photochemistry Conference, Tirvandram, November 10-13,2014.
  • Properties of Graphene Derivatives Relevant to Electronic Applications: Spectroscopic Studies in the National Workshop on Advanced Materials, IIT Mandi, May 27-28, 2014.
  • Chemically Tuned Graphene Oxide for Optoelectronic Applications in the Vidyasagar-Satyendranath Bose National Workshop 2014 on Physics of Advanced Optical Materials and Photonics, SOS University, Bhubaneswar, March 26-28, 2014.
  • Femtosecond transient absorption: a wonderful tool to study the dynamics of photovoltaic processes in the short term course on Introduction to Photonics and Its Applications, NIT Durgapur, July 29- August 02, 2013.
  • Organic Photovoltaic Materials in the Workshop on Current Challenges in Novel Materials, IIT Mandi, April 27, 2012.
  • Plastic Solar Cells: Science, Expectations, and Challenges in the First In-House Symposium on Inter-Disciplinary Research and Development, IIT Mandi, May 7, 2011.
  • Charge carrier dynamics in conjugated polymer/fullerene bulk heterojunction films in the Centre for Energy Studies, IIT Delhi, February 18, 2011.
  • Ultrafast Photochemistry of bromoform in solution probed in the deep-UV to near –IR spectral range in the 65th OSU International Molecular Spectroscopy Symposium Department of Chemistry,The Ohio State University, Columbus, Ohio 43210 USA, June 21-25, 2010.
  • Life cycle of charges in conjugated polymer/fullerene blends in the Dept. of Optical Spectroscopy of Conjugated Materials, Max Planck Institute for Polymer Research, Mainz, Germany, January 16, 2009.
  • Enhancement of longevity of photogenerated charge separated species in -Cyclodextrin microenvironment in the Fourth Asian Photochemistry Conference at Grand Hotel, Taipei, Taiwan, January 5-10, 2005.
Poster:
  • Ghosh, S.; Pal, S. K. Auger-assisted hole transfer from photoexcited ZnO to CdS quantum dots in the 28th International conference on photochemistry (ICP 2017), University of Strasbourg, France, July 16-21, 2017.
  • Sarkar, A. S.; Saxena, P.; Gupta, A.; Nandi, C. K.; Gupta, V.; Chand, S.; Pal, S. K. Plasmonic modified graphene oxide interface layer for polymer photovoltaic devices in the Foundation day of NPL, New Delhi.
  • Sarkar, A. S.; Pal, S. K. Electrical conduction of as prepared and annealed multilayer graphene oxide thin films: A comparative study in the 8th India Singapore Symposium in Condensed Matter Physics, IIT Kanpur, February 25-27, 2015.
  • Kumar, P.; Pal, S. K. Ultrafast Charge Transfer in Dye Sensitized ZnO Quantum Dot in the International Conference on Frontiers of Spectroscopy, BHU, January 10-12, 2015.
  • Chakraborti, H.; Pal, S. K. Enhancement of Dye Emission in the Presence of Graphene Oxide in the National Fluorescence Workshop (FCS 2012), SINP and IICB Kolkata, December 3-7, 2012.
  • Kumar, P.; Pal, S. K. Quenching of Visible Photoluminescence of ZnO Nanocrystals by Rhodamine B in the National Fluorescence Workshop (FCS 2012), SINP and IICB Kolkata, December 3-7, 2012.
  • El-Khoury, P. et al. Towards Controlling Photochemical Reactivity in Small Polyatomic Molecules in Solution: Difluorodiiodomethane in the XVIIIth International Conference on Ultrafast Phenomena, 8 - 13 July 2012, Lausanne, Switzerland.
  • Tarnovsky, A. N. et al. Short-Time Events, Coherence, and Structural Dynamics in Photochemistry of Aqueous Halogenated Transition Metal Dianions in the XVIIIth International Conference on Ultrafast Phenomena, 8 - 13 July 2012, Lausanne, Switzerland.
  • Chakraborti, H.; Pal, S. K. Photoinduced Interactions Between Fluorescein Dye and Graphene in the National Symposium on Nanobiotechnology, IIT Mandi, June 1-2, 2012.
  • Kumar, P.; Pal, S. K. Quenching of Defect Emission of ZnO Quantum Dot in the Presence of Fluorescein Dye in the National Symposium on Nanobiotechnology, IIT Mandi, June 1-2, 2012.
  • Pal, S. K.; Pascher, T.; Yartsev, A.; Sundström, V. Fullerene Dependent Carrier Dynamics in Polymer/Fullerene Bulk Heterojunction Films in the National Symposium on Radiation & Photochemistry (NSRP – 2011), JNV University, Jodhpur, Rajasthan, March 10-12, 2011.
  • Pal, S. K.; El-Khoury, P.; Mereshchenko, A. S.; Tarnovsky, A. N. Ultrafast Photochemistry of bromoform in solution probed in the deep-UV to near–IR spectral range in the 3rd Asia Specific Symposium on Radiation Chemistry and 10th Bienniel Trombay Symposium on Radiation and Photochemistry, Treasure Island Resorts, Lonavala, India, September 14-17, 2010.
  • .Pal, S. K.; Pascher, T.; Yartsev, A.; Sundström, V. Dynamics of photogenerated charge carriers in polymer/fullerene blends in the 8th Nordic Femtochemistry Meeting, Fuglsø Conference Center, Denmark, 2-4 October, 2008.
  • Osterman, T; Pal, S. K.; Pascher, T.; Yartsev, A.; Sundström, V. Fluorescence studies of low-bandgap polyfullerene/PCBM blends: the mechanism of light-induced charge formation in STRUCTURAL DYNAMICS: METHODS AND APPLICATIONS at Algarve (Portugal), June 5-8, 2008.
  • Pal, S. K.; Misra, T. Photophysics and electron donating properties of 5-hydroxyindole (5HI) in Trombay Symposium on Radiation and Photochemistry, Centaur Hotel, Juhu Beach, Mumbai, India, January 6-11, 2002.

Collaborations

  • Prof. Tonu Pulleteris
    Department of Chemical Physics
    Lund University, Chemical Center
    P.O.B 124 S-221 00 Lund, Sweden

  • Dr. Drik Dorfs
    Institut for Physikalische Chemie
    und Elektrochemie
    der Leibniz Universitat
    Hannover , Germany

  • Priv. -Doz. Dr. Andreas-Neil Unterreiner
    Karlsruher Institut for Technologie (KIT)
    Fritz-Haber-Weg 2
    76131 Karlsruhe
    Germany

  • Dr. Suresh Chand
    Physics of Energy Harvesting
    National Physical Laboratory
    New Delhi

  • Dr. Subrata Ghosh
    School of basic Sciences
    IIT Mandi
    Himachal Pradesh

  • Dr. Rajiv K Singh
    Physics of Energy Harvesting
    National Physical Laboratory
    New Delhi

  • Dr. Chayan K Nandi
    School of basic Sciences
    IIT Mandi
    Himachal Pradesh

  • Dr. Praveen C Ramamurthy
    Indian Institute of Science
    Bangalore
    Karnataka
.