Current Research

1. Physics of two-dimensional (2D) transition metal mono-/di-chalcogenides (TMCs)
2. Exciton dynamics in 2D materials and quantum dots (QDs) and multiple exciton generation
3. Metal Halide Perovskite: Material Properties to Device Applications
4. Organic Photovoltaics: materials and devices

Recent Publications

1. Soni, A; Pal, S. K. Valley degree of freedom in two-dimensional van der Waals materials J. Phys. D: Appl. Phys. 2022, 55, 303003.
2. Mushtaq, A.; Pradhan, B; Kushavah, D.; Zhang, Y; Wolf, M.; Schrenker, N.; Fron, E.; Bals, S.; Hofkens, J.; Pal, S. K. Third-Order Nonlinear Optical Properties and Saturation of Two-Photon Absorption in Lead-Free Double Perovskite Nanocrystals under Femtosecond Excitation ACS Photonics, 2021, 8, 3365.
3. Ray, R.; Pal, S. K. Solution-Processed Photoinduced Multilevel Resistive Switching Devices Based on Lead-Free All-Inorganic Perovskite IEEE Electron Device Lett., 2021, 42, 1284.
4. Soni, A; Kushavah, D; Lu, L; Chang, W. H.; Pal, S. K. Ultrafast Exciton Trapping and Exciton-Exciton Annihilation in Large-Area CVD-Grown Monolayer WS2 J. Phys. Chem. C 2021, 125, 23880.
5. Sarkar, A. S.; Mushtaq, A.; Kushavah, D; Pal, S. K. Liquid exfoliation of electronic grade ultrathin tin(II) sulfide (SnS) with intriguing optical response NPJ 2D Mater. Appl. 2020,4,1.