Areas of Interest

• Halide perovskites, hierarchical oxide architectures for solar-cells, Functionalized nanoparticles for light driven multifunctional applications
• Conductive carbon based composites, polymer based hybrid composites

Education

• PhD (2013), Indian Institute of Science, Bangalore
• MSc (2009), Indian Institute of Technology Kharagpur

Teaching

• CY7040: Nanostructured Materials: Synthesis, Properties and Characterizations (Winter Semester, 2018)
• CY1022: Functional Materials

Past Experience

• December/2017 onwards: Deptartment of Chemistry, Indian Institue of Technology (IIT) Bhilai, Chhattisgarh, India.
• June/2015-November/2017: Dean of Faculty-Post doctoral Scholar, Weizmann Institute of Science, Rehovot, Israel. (Host: Prof. David Cahen and Prof. Gary Hodes, Dept. of Materials and Interfaces)
• May,2013-May,2015: Post doctoral scholar, University of Nevada, Reno, USA. (Host: Prof. Ravi Subramanian, Dept. of Chemical and Materials Engineering)
• Academic Visitor (August/2017): Bar-Ilan University, Israel.
• Academic Visitor (January/2017): Institute of Molecular Science (ICMol), University of Valencia, Spain.
• Academic Visitor (June/2016): Clarendon Laboratory, Department of Physics, University of Oxford, London.

Honors & Awards

1. “Best Poster Presentation Award”, 35th IVS Conference, 10th September, 2017, Israel.
2. “Dean of Faculty” postdoctoral fellowship at Weizmann Institute of Science, 2016, Israel.
3. QHQC Award, summer workshop on ‘New Concepts of Quantum Solar Energy Conversion and Photovoltaics (Quantsol)’, 2016, Hirschegg, Austria.
4. Qualified CSIR-NET; Recipient of “Shyama Prasad Mukherjee Fellowship" (Junior-2009 and Senior-2011 Research Fellow).
5. Qualified GATE, 2009 (rank-18)

Selected Publications

1. S. Gupta, T. Bendikov, G. Hodes, D. Cahen, “CsSnBr3, a lead-free halide perovskite for long-term solar cell application: Insights on SnF2 addition”, ACS Energy Lett, 2016, 1, 1028−1033.
2. M Kulbak*, S. Gupta*, N. Kedem, I. Levine, T. Bendikov, G. Hodes, D. Cahen, “Cesium Enhances Long-Term Stability of Lead Bromide Perovskite-Based Solar Cells” J. Phys. Chem. Lett., 2016, 7, 167-172. (Equal Author Contribution)
3. S. Gupta, V. Subramanian, “Encapsulating Bi2Ti2O7 (BTO) with Reduced Graphene Oxide (RGO): An Effective Strategy to Enhance Photocatalytic and Photoelectrocatalytic activity of BTO” ACS Appl. Mater. and Interfaces, 6, 2014, 18597−18608.
4. I. Levine, S. Gupta, T. M. Brenner, D. Azulay, O. Millo, G. Hodes , D. Cahen, I. Balberg, “Mobility-Lifetime products in MAPbI3 films”, J. Phys. Chem. Lett., 2016, 7, 5219-5226.
5. A. Zohar, I. levine, S. Gupta, O. Davidson, D. Azulay, O. Millo, I. Balberg ,G. Hodes, David Cahen, “What is the Mechanism of MAPbI3 p-doping by I2? Insights from optoelectronic properties”, ACS Energy Letters, 2017, 2, 2408–2414.
6. Y. Rakita, S. Gupta, D. Cahen, G. Hodes, “Metal to Halide Perovskite (HaP): an Alternative Route to HaP Coating Directly from Pb(0) or Sn(0) films”, Chem. Mater, 2017, 29 (20), 8620–8629.
7. Y. Rakita, N. Kedem, S. Gupta, A. Sadhanala, V. Kalchenko, M. L. Böhm, M. Kulbak, R. H. Friend, D. Cahen G. Hodes, “Low-Temperature Solution-Grown CsPbBr3 Single Crystals and Their Characterization”, Crystal Growth and Design, 2016, 16, 5717–5725.
8. S. Gupta, P. C. Ramamurthy and G. Madras, “Synthesis and characterization of flexible epoxy nanocomposites reinforced with amine functionalized alumina nanoparticles: A potential encapsulant for organic devices”- Polymer Chemistry, 2011, 2, 221-228.
9. B. Mukherjee*, S. Gupta*, A. Peterson, H. Imahori, A. Manivannan and V. Subramanian, “Multifunctional aspects of a layered architecture made of CdS–reduced graphene oxide (RGO)-ZnO with improved photo (electro) catalytic properties”, Chem Eu. J., 2014, 20, 10456-10465. (*Equal Author Contribution)
10. S. Gupta, L. D. Leon, V. Subramanian, “Mn-modified Bi2Ti2O7 photocatalysts: bandgap engineered multifunctional photocatalysts for hydrogen generation”, Phys. Chem. Chem. Phys., 2014, 16, 12719 – 12727.
11. P. Pathak*, S. Gupta*, K. Grosulak, V. R. Subramanian, “Nature-Inspired Tree-Like TiO2 Architecture: A 3D Platform for the Assembly of CdS and Reduced Graphene Oxide for Photoelectrochemical Processes”, J. Phys. Chem. C, 2015, 119, 7543–7553. (*Equal Author Contribution; Selected as Cover page of the Journal)
12. P. Pathak*, S. Gupta*, A. Resende, V. R. Subramanian, “A one-pot strategy for coupling chalcogenides with 1D oxides for solar applications”, J. Mater Chem A, 2015, 3, 24297-24302. (*Equal Author Contribution; Selected as Cover page of the Journal)
13. T. Umeyama, D. Matano, J. Beak, S. Gupta, S. Ito, V. Subramanian, H. Imahori, “Boosting of the Performance of Organic Perovskite Solar Cells through Systematic Introduction of Reduced Graphene Oxide in TiO2 layers” Chemistry Letters, 2015, 44, 1410-1412.
14. J. Selvaraj, S. Gupta, S. Delacruz, V. Subramanian, “Role of Reduced Graphene Oxide in the Critical Components of a CdS-Sensitized TiO2-Based Photoelectrochemical Cell”- Chem. Phys. Chem., 2014, 15, 2010-2018. (Invited article on special issue – ‘Electrochemical Energy Conversion’, Selected as a Cover Page of the Journal).
15. B. Ragsdale, S. Gupta, K. Konrad, S. Delacruz, V. R. Subramanian, “The role of bismuth based band-gap engineered oxides for photocatalytic degradation of organic pollutants: New insights from electrochemistry”, Applied Catalysis B Environmental, 2016, 180, 442–450.

Patents Filed

1. P. Pathak, S. Gupta, V. R. Subramanian, “Method for coupling chalcogenides with oxides for solar applications” US Patent filed, Application No: 15/558,984; International application No: PCT/US2016/022492; International publication No: WO 2016/149281 A1. (Tech ID UNR15-013).
2. P. C. Ramamurthy, S. Gupta, S. Sindhu, G. Madras, S. Raghavan, A. Chaudhary, “A layered barrier material and a process thereof”, Indian Patent Filed, Patent Application Number - 3301/CHE.
3. P. C Ramamurthy, S. Gupta, G. Madras, “A method for measuring ultra low permeability of encapsulating materials”, Indian Patent Filed, Patent Application Number - 1651/CHE/2012; Application Date - 27/04/2012. [Granted]