Dr. Kaustab Ghosh | Materials Science | Best Researcher Award

Vellore Institute of Technology | India

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Early Academic Pursuits

Dr. Kaustab Ghosh began his academic journey at Barrackpore Rastragure Surendranath College, affiliated with the University of Calcutta, where he completed his B.Sc in Electronic Science (August 1999 - April 2002). He furthered his studies at the University of Calcutta, earning an M.Sc in Electronic Science (August 2002 - June 2004) and later a PhD in the Department of Electronic Science (August 2005 - April 2009). His PhD research focused on the ultra-purification process of gallium for optoelectronic applications, where he developed a novel gallium purification technology.

Professional Endeavors

Dr. Ghosh's professional career began as an Assistant Professor at the Vellore Institute of Technology (VIT) from May 2011 to August 2012. He then progressed to Associate Professor from September 2012 to May 2021, and has been serving as a Professor since June 2022. His tenure at VIT has been marked by significant research and academic contributions in the fields of nano-optoelectronic materials, devices, and sensors.

Dr. Ghosh has also served as a Post-Doctoral Research Fellow at the Centre for Excellence in Nanoelectronics, Indian Institute of Technology Bombay (April 2009 - April 2011), where he focused on experimental characterization and theoretical modeling of InAs/GaAs quantum dots.

Contributions and Research Focus

Dr. Ghosh has made substantial contributions to the field of nano-optoelectronics. His research interests and contributions include:

  • Graphene Nanoribbon and Carbon Nanotube Sensors: He has worked extensively on the electronic structure computation of graphene nanoribbon and carbon nanotube-based sensors using atomistic modeling by non-equilibrium Green’s function and density functional theory.
  • Nanoscale Sensors and Solar Cells: Developed software products for nanoscale sensors and heterojunction thin film solar cell technology using machine learning. He has also fabricated low-cost Cu2SnS3/ZnS heterojunction solar cells using ultrasonic spray pyrolysis.
  • Quantum Dots for Biomedical Imaging: Engaged in collaborative research for the synthesis and characterization of PbS and CdSe quantum dots for biomedical imaging.
  • Quantum Dot Infrared Photodetectors: Principal investigator for the fabrication and performance optimization of InAs/GaAs quantum dot infrared photodetectors.
  • Nanoscale MOSFETs: Co-PI for projects focusing on first principle calculations of silicon band structure for device modeling and performance analysis of silicon-based nanoscale MOSFETs.

Accolades and Recognition

Dr. Ghosh has been recognized for his innovative work in the field. His project on InAs/GaAs quantum dot infrared photodetectors received a grant of Rs. 2 million from the Department of Science and Technology, Government of India. Another project, co-PIed by him, received a Rs. 4.5 million grant from the Science and Engineering Research Board (SERB), Government of India. He has also served as a Visiting Researcher at CIMAP/ CNRS/CEA/ENSICAEN/Normandie Université, Caen, France.

Impact and Influence

Dr. Ghosh has supervised four PhD students, contributing to the growth of the next generation of researchers in nano-optoelectronics. He has delivered numerous industrial and invited talks, sharing his expertise on water quality purification using nanoscale sensor technology and emerging trends in nanoelectronics for industrial applications.

Legacy and Future Contributions

Dr. Ghosh's work has set a foundation for future advancements in nano-optoelectronics, particularly in the development of quantum dot-based devices and nanoscale sensors. His contributions to the field are documented in numerous high-impact publications and patents, including a patent on graphene nanoribbon field effect transistors. As he continues his research and mentoring at VIT, Dr. Ghosh is poised to make further significant contributions to the advancement of nano-optoelectronics and its applications in various fields.


Notable Publications

A machine learning based electronic property predictor of Cu2SnS3 thin film synthesized by ultrasonic spray pyrolysis 2024

Performance analysis of carbon nanotube and graphene nanoribbon based biochemical sensors in atomic scale 2024

Advancement and Challenges of Biosensing Using Field Effect Transistors 2022 (18)

Probing the bandstructure dependent figures of merit in InAs/GaAs quantum dot photodetectors 2022 (1)

Optimization and fabrication of low cost Cu2SnS3/ZnS thin film heterojunction solar cell using ultrasonic spray pyrolysis 2022 (13)






Kaustab Ghosh | Materials Science | Best Researcher Award