Sai Santosh Kumar RaaviView profile
Professor
Dr. Sai Santosh Kumar Raavi (FRSC, FTAS, M-NASI) is a Professor at the Department of Physics, Indian Institute of Technology Hyderabad , with affiliations in the Department of Climate Change. He leads the Ultrafast Photophysics and Photonics Laboratory , focusing on transient absorption/luminescence spectroscopy of solar energy materials and optoelectronic devices. Research Interests : Ultrafast carrier dynamics, nonlinear optics, perovskite solar cells, organic photovoltaics, and scintillator technologies. Research Trends from his 15 most recent publications show expertise in: Halide perovskite optimization for photovoltaics and photodetectors Advanced optical characterization techniques (fs-TAS, Z-scan) Doping/engineering strategies for improved material performance Photocatalytic applications and defect-mediated charge dynamics Molecular design for nonlinear optical properties Energy conversion in hybrid and 2D materials Scientific Honors : Fellow of Royal Society of Chemistry (FRSC) Faculty Research Excellence Award (2024) JSPS Invitational Fellowship (2025) Bhaskara Advanced Solar Energy (BASE) Fellowship (2019) Young Scientist Award (2008) Grants & Projects : Has secured >10 major research grants totaling ~Rs. 2.5 crore from agencies like DAE-BRNS , DST , BRICS-STI , and SPARC , focusing on lead-free perovskites, organic solar cells, and ultrafast spectroscopy facilities. Labs & Teams : Leads the Ultrafast Photophysics and Photonics Laboratory , collaborating internationally with institutions in Japan, USA, and Brazil. His group specializes in integrating ultrafast spectroscopy with device innovation for next-generation optoelectronics.




