Md Tarik Hossain is presently a PhD research scholar at the department of Physics, Indian Institute of Technology Guwahati, Assam. He obtained his Master degree in Physics from University of Hyderabad and joined the PhD programme at Indian Institute of Technology Guwahati in 2018. His research interests are CVD growth and multifunctional applications of non-van der Walls 2D materials, including photophysics and optoelectronics.

Prof. P. K. Giri earned his PhD in Physics from Indian Institute of Technology (IIT) Kanpur in 1998 followed by postdoctoral research in CNR IMM, Italy. In 1999, he joined IGCAR, Kalpakkam as a Scientist and later (2001) he moved to IIT Guwahati as a Faculty member in Physics. Presently he is a full Professor of Physics and Nanotechnology at IIT Guwahati. For his outstanding research contributions, he received several awards/ fellowships including ICTP TRIL fellowship (1998), DAE Young Scientist Award (2000), DAAD Exchange visit Fellowship (2010), JSPS Invitation Fellowship for log-term research in Japan (2012), Visiting research fellowship, University of Birmingham, UK (2018), MRSI medal (2020). He is a fellow of Institute of Physics, UK. He has published more 160 journal articles including 8 review articles in high profile international journals and holds one patent to his credit. Currently, his H-index is 41. He is one among the world’s top 2% scientists in Applied Physics and Nanoscience area (database published by Stanford University, USA). His research areas of interests are semiconductor nanostructures, 2D materials, nanobiosensors, optoelectronics, nanophotonics etc.