About me
About me
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A lot can be done using simple tools, is what I believe. Research need not always require high-end instruments, software and calibre. Using easily accessible chemicals and devices, I try to see what perovskites and other two-dimensional materials can bring to the table - both experimentally and computationally.
The ever-vibrant Microscience Lab in the Dept. of Physics in IIT Kharagpur houses a plethora of instruments and optical tools, perfect for synthesizing and characterizing 2D materials like graphene, MoS2, MoSe2, WS2, WSe2, Black Phosphorus, ZnO-based materials, thin layers of CsPbI3, etc. In house metal deposition systems, transfer system, CVD, sputtering systems, AFM, photoluminescence, etc. alongwith the brilliant set of scholars make work faster and smoother here. I am very lucky to be able join this lab and wish to exploit its facilities to the fullest!
Education
Education
2018 - 2020
2018 - 2020
MTech in Functional Materials and Devices
Department of Physics
Indian Institute of Technology, Kharagpur
2016 - 2018
2016 - 2018
MSc in Physics
Calcutta University, Kolkata, WB, India
2013 - 2016
2013 - 2016
BSc in Physics
Calcutta University, Kolkata, WB, India
2013
2013
Completed Class XII ISC board exams
Calcutta Girls' High School, Kolkata, WB, India
Research Advisors
Research Advisors
Dr. Samit Kumar Ray
Professor, Dept. of Physics
IIT Kharagpur 721 302, India
Adjunct Professor & Former Director, S. N. Bose National Center for Basic Sciences
Editorial Board Member: Nanotechnology (IOP), Nano Futures, Scientific Reports
URL: http://www.iitkgp.ac.in/department/PH/faculty/ph-physkr
Google Scholar : https://scholar.google.co.in/citations?user=O4WvnJ4AAAAJ
Research group: https://microsckgp.wixsite.com/skray-research-group
Dr. Sanjeev Kumar Srivastava
Associate Professor, Dept. of Physics
IIT Kharagpur 721 302, India
URL: http://www.iitkgp.ac.in/department/PH/faculty/ph-sanjeev
Google Scholar : https://scholar.google.co.in/citations?user=fXD4-PcAAAAJ&hl=en
Workshops & Academic Conferences
Workshops & Academic Conferences
May 2025: Presented poster on "Cu-doped CsPbI3 nanocrystals with enhanced structural stability and superior optical characteristics" at the European Materials Research Society (E-MRS) Spring Meeting at Strasbourg, France.
May 2025: Presented poster on "Cu-doped CsPbI3 nanocrystals with enhanced structural stability and superior optical characteristics" at the European Materials Research Society (E-MRS) Spring Meeting at Strasbourg, France.
December 2024: Presented poster on "Doping-Induced Phase Modulation of CsPbI3" at the Hybrid Halide Perovskite (HyPe) Conference held at NISER Bhubaneswar, India.
December 2024: Presented poster on "Doping-Induced Phase Modulation of CsPbI3" at the Hybrid Halide Perovskite (HyPe) Conference held at NISER Bhubaneswar, India.
December 2024: Oral talk on "Effect of doping Cu in CsPbI3" at Photonics 2024, held at IIT Kharagpur, India.
December 2024: Oral talk on "Effect of doping Cu in CsPbI3" at Photonics 2024, held at IIT Kharagpur, India.
January 2024: Presented poster on "Atomically resolved decomposition pathway of electron-irradiated Cu-doped CsPbI3 nanocrystals" at the International Conference on Functional Materials (ICFM) organised by the Materials Science Centre, IIT Kharagpur, India.
January 2024: Presented poster on "Atomically resolved decomposition pathway of electron-irradiated Cu-doped CsPbI3 nanocrystals" at the International Conference on Functional Materials (ICFM) organised by the Materials Science Centre, IIT Kharagpur, India.
December 2023: Presented poster on "Real-time observation of electron beam-induced phase decomposition of Cu-doped CsPbI3" at the Hybrid Halide Perovskite (HyPe) Conference at the Indian Association for the Cultivation of Science (IACS), Kolkata, India.
December 2023: Presented poster on "Real-time observation of electron beam-induced phase decomposition of Cu-doped CsPbI3" at the Hybrid Halide Perovskite (HyPe) Conference at the Indian Association for the Cultivation of Science (IACS), Kolkata, India.
May 2023: Presented poster on "Effects of electron beam irradiation in the all-inorganic perovskite, CsPbI3" at the European Materials Research Society (E-MRS) Spring Meeting at Strasbourg, France.
May 2023: Presented poster on "Effects of electron beam irradiation in the all-inorganic perovskite, CsPbI3" at the European Materials Research Society (E-MRS) Spring Meeting at Strasbourg, France.
December 2022: Presented poster on "Doping-induced phase transformation in all-inorganic perovskite CsPbI3 with enhanced structural and optical stability" at the IEEE, 6th International Conference on Emerging Electronics at Bangalore, India.
December 2022: Presented poster on "Doping-induced phase transformation in all-inorganic perovskite CsPbI3 with enhanced structural and optical stability" at the IEEE, 6th International Conference on Emerging Electronics at Bangalore, India.
March 2020: Presented poster at the International Conference on Nanoscience and Technology (ICONSAT) hosted by S N Bose National Centre for Basic Sciences, Kolkata, West Bengal, India.
March 2020: Presented poster at the International Conference on Nanoscience and Technology (ICONSAT) hosted by S N Bose National Centre for Basic Sciences, Kolkata, West Bengal, India.
January 2020: Attended the Sakura Science Plan hosted by Shibaura Institute of Technology, Tokyo, Japan.
Selected publications
Selected publications
August 2025: S. Mahato, B. Roy, S. Bose, S. K. Sangwan, N. C. Das, M. D. Birowosuto and S. K. Ray, "Atomically Precise Ruddlesden–Popper Faults Induced Enhanced Emission in Ligand Stabilized Mixed Halide Perovskites", Wiley Advanced Materials, DOI: 10.1002/adma.202503680
June 2025: S. Bose, B. Roy, S. K. Sangwan, R. Bar, S. K. Srivastava and S. K. Ray, "Enhanced Carrier Recombination in Mixed-Phase CsPbI3 through Controlled Cu Doping: Defect Suppression and Phase Modulation for Improved LEDs", ACS Advanced Materials and Interfaces, DOI: 10.1021/acsami.5c03177
November 2024: A. Ghorai, S. Singh, B. Roy, S. Bose, S. Mahato, N. Mukhin, P. Jha and S. K. Ray, "Suppression of Light-Induced Phase Segregations in Mixed Halide Perovskites through Ligand Passivation ", ACS The Journal of Physical Chemistry Letters, DOI: 10.1021/acs.jpclett.4c03509
March 2024: S. Bose, S. Mahato, B. Roy, T. Singha, S. K. Srivastava and S. K. Ray, "Unveiling Electron-Dose Induced Phase Decomposition and Energy Kinetics in Cu-doped CsPbI3 Nanocrystals ", ACS Applied Nano Materials, DOI: 10.1021/acsanm.3c05929
January 2024: S. Bose, A. Sharma, S. Mahato, N. C. Maurya, B. Roy, S. K. Srivastava, K. V. Adarsh and S. K. Ray, " Improvement in Hot Carrier Dynamics of All-inorganic Halide Perovskite CsPbI3 on Doping", Applied Physics Letters. DOI: 10.1063/5.0187847
March 2023: A. Ghorai, S. Mahato, S. Singh, S.Bose, B. Roy, Unyong Jeong and S. K. Ray, "Ligand-Mediated Revival of Degraded α-CsPbI3 to Stable Highly Luminescent Perovskite", Angewandte Chemie, Wiley Online Library, DOI:10.1002/anie.202302852
February 2023: B. Roy, S. Mahato, S.Bose, A. Ghorai, S. K. Srivastava, N. C. Das and S. K. Ray, "Cu-doping Induced Phase Transformation in CsPbI3 Nanocrystals with Enhanced Structural Stability and Photoluminescence Quantum Yield", ACS Chemistry of Materials, DOI:10.1021/acs.chemmater.2c03095.
December 2022: S. Bose, S. Mukherjee, S. Jana, S. K. Srivastava, and S. K. Ray, "One-pot Liquid-Phase Synthesis of MoS2-WS2 van der Waals Heterostructures for Broadband Photodetection", IOP Science Nanotechnology, DOI: 10.1088/1361-6528/acab6e.
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