... towards excellence in science

An Autonomous Institution, Under the Ministry of Education, Government of India

Sayan Bhattacharyya

Dept: Chemical Sciences (DCS)
E-mail: sayanb [at]
Personal homepage: Click Here

Research Interest:

The Advanced Functional Materials Laboratory (AFML) led by Prof. Sayan Bhattacharyya focuses on an interdisciplinary research on functional nanomaterials. The current research interests are: (A) Photovoltaics: Nanocrystal-assisted Metal-halide Perovskite Solar Cells; (B) Electrocatalytic and Photocatalytic Hydrogen Generation, N2 & CO2 Reduction; (C) Zinc-air Battery and Photorechargeable battery.

Academic Background:

  1. Ph. D. (Solid State Chemistry ), Indian Institute of Technology Kanpur (IIT Kanpur), 2006
  2. M. Sc. (Physical Chemistry), Department of Chemistry (University of Kalyani), 1998
  3. B. Sc. (Honours) (Chemistry (H), Physics (P), Mathematics (P)), Maulana Azad College (University of Calcutta), 1996


  1. Professor, IISER Kolkata (current)
  2. Associate Professor, IISER Kolkata (2015 - 2019)
  3. Assistant Professor, IISER Kolkata (2010 - 2015)
  4. Postdoctoral Researcher, Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA, USA (2008 - 2010)
  5. Postdoctoral Fellow, Department of Chemistry, Bar-Ilan University, Ramat-Gan, Israel (2006 - 2008)

Selected Publications:

  1. Hazra, Vishwadeepa; Mandal, Arnab and Bhattacharyya, Sayan. 2024."Optoelectronic Insights of Lead-free Layered Halide Perovskites." Chem. Sci., 15, 1
  2. Maji, Mamoni; Dutta, Supriti; Jena, Rohan; Dey, Anupam; Maji, Tapas Kumar; Pati, Swapan K. and Bhattacharyya, Sayan. 2024."Hydrogen Evolution in Neutral Media by Differenttial Intermediate Binding at Charge-Modulated Sites of a Bimetallic Alloy Electrocatalyst." Angew. Chem. Int. Ed., 63, e202403697
  3. Mondal, Anamika; Ahuja, Manuj; Johari, Priya and Bhattacharyya, Sayan. 2024."Facet-Specific Ligand Dynamics: Scaling the Descriptors of Cs2AgBiBr6 Nanocrystals." Chem. Commun., 60, 3693-6
  4. Majee, Rahul and Bhattacharyya, Sayan. 2023."Strategies to Develop Electrocatalytically Active Perovskite Oxide Nanosheets." ChemCatChem, 16, e202301116
  5. Mandal, Arnab; Khuntia, Sanuja Kumar; Mondal, Debayan; Mahadevan, Priya and Bhattacharyya, Sayan. 2023."Spin Texture Sensitive Photodetection by Dion-Jacobson Tin-Halide Perovskites." J. Am. Chem. Soc., 145, 24990-5002

All Publications: Click Here