Prof. Suman Kalyan Pal
Professor
School of Physical Sciences
Indian Institute of Technology Mandi
E-mail: suman@iitmandi.ac.in

News & Updates

Congratulations to Dr. Ashish Soni & Dr. Sahil Bhandari for
successfully defending their PhD thesis!.

Recent Publications

1. Upadhyay, B.; Maity, D.; Anil, S.; Narayan, T. N.; Pal, S. K. Trnsient Optical Modulation in Vanadium and Selenium Doped MoS2 by Carrier-Carrier and Carrier Phonon Interaction. Advanced Optical Materilas 2401351 (2024).
2. Kundar, M., Gayen, K., Ray, R., Pal, S. K. , & Kushavah, D. Highly Stable Two-dimensional Ruddlesden-Popper Perovskite Based Resistive Switching Memory Devices. Nanoscale, 16(34), 6159-16171 (2024).
3. Soni, A.; Ghosal, S.; Kundar, M.; Pati, S.K.; Pal, S. K. "Long-Lived Interlayer Excitons in WS2/Ruddlesden–Popper Perovskite van der Waals Heterostructures" ACS Appl. Mater. Interfaces, 16 (27), 35841-35851 (2024)
4. Maity, D., Upadhyay, B., Panda, J. J., Sahoo, K. R., Rajalakshmi, G., Pal, S. K., & Narayanan, T. N. Tuning the valley depolarization dynamics in selenium and vanadium alloyed monolayer MoS2. Physical Review Materials, 8(6), 064004 (2024).
5. Bhandari, S., Kundar, M., & Pal, S. K. Impact of tin doping on charge carrier dynamics of a two-dimensional lead halide perovskite. Journal of Physics D: Applied Physics, 57(37), 375103 (2024).
6. Bhandari, S., Kundar, M. Chakraborty, M. Pal, S. K.; Exciton dynamics in two-dimensional metal halide perovskite: The impact of film processing. J. Chem. Phys.160 (4): 044709 (2024)
7. Kundar, M., Kumar, P., Sharma, S.K., Singh, R. and Pal, S. K., Stable Perovskite Solar Cells Based on Direct Surface Passivation Employing 2D Perovskites. Sol. RRL. (2023) .
8. Kushavah, D.; Mushtaq, A.; Pal, S. K. Ultrafast and Nonlinear Optical Properties of Two-Dimensional Mo-doped Dual Phase Inorganic Lead Halide Perovskite" J. Phys. Chem. C (2023).
9. Upadhyay, B.; Sharma, R.; Maity, D.; Narayan, T. N.; Pal, S. K. Ultrafast carrier dynamics in vanadium doped MoS2 alloys" Nanoscale (2023) .
10. Verma, A.; Soni, A.; Sarkar, A. S.; Pal, S. K. Defect-mediated saturable absorption and carrier dynamics in tin(II) monosulfide quantum dots" Opt. Lett.", 48, 4641-4644 (2023)
11. Singh, R.; Kundar, M.; Pal, S. K.; Sharma, S. K. Bandgap Engineered Double-Cation/Double-Halide (DCDH) Quasi-Cubic Perovskite for Highly Efficient (> 36%) Indoor Photovoltaics" IEEE Journal of Photovoltaics (2023)
12. Kundar, M.; Bhandari, S.; Chung, S.; Cho K.; harma, S.K.; Singh, S.; Pal, S.K. "Surface Passivation by Sulfur-Based 2D (TEA)2PbI4 for Stable and Efficient Perovskite Solar Cells" ACS Omega, 14 12842–12852 (2023).
13. Soni, A.; Kushavah, D.; Lu, L.-S.; Chang, W.-H.; Pal, S. K. "Efficient Multiple Exciton Generation in Monolayer MoS2" Journal of Physical Chemistry Letters, 14 2965–2972 (2023).
14. Nagaraju, N., Kushavah, D., Ghosh, S., Pal, S.K. "Photophysical, electrochemical and electron donating properties of rhodanine-3-acetic acid-linked structural isomers" Chemical Physics, 566 111793 (2023).