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Dr. Sanjay K. Ram

Official Correspondence Address:

Department of Physics

Amrita School of Arts and Sciences

Amrita Vishwa Vidyapeetham

Kollam 690525, Kerala, India

Email: sanjaykumarram (at) am (dot) amrita (dot) edu





Indian Patent Application Number 202041018235 filed on 28/10/2020; Title of invention: “System and method for harvesting broad light spectrum to generate energy and enhance biomass cultivation”; Publication date (U/S 11A) 29/04/2022



  • Experimental Physics: Fabrication, characterization, and optimization of semiconductor materials and devices

  • Theoretical Physics: Modeling of optoelectronic devices, optical systems and plasmonic sensors

  • Research Infrastructure Development:

    • Clean Room & Research Laboratory design, development and management

    • Plasma based reactors for material deposition – design, development, and integration

    • Other nanofabrication and characterization systems - design, development, and integration

    • Management of interdisciplinary, multi-institutional collaborative research projects


2020 - Present , Amrita University:

  • Currently establishing a semiconductor and nanophotonics laboratory 

  • Member of Research Centre Development committee

2011 – 2017, Aarhus University:

  • Consulted on design and installation of multi-chamber cluster PECVD and hot wire CVD system for the fabrication of thin film semiconductor materials and devices in the iNano cleanroom.

  • Designed and developed measurement set-up for upconversion in solar cells.

  • Developed nanomaterial synthesis and innovative bench-top nanofabrication approaches.

  • Set-up multi-wavelength confocal Raman spectroscopy with image recording capability.

2013 – 2016, CNR-IMM, Bologna, Italy:

  • Conducted complete process/system optimization of thin film silicon solar cell fabrication.

2010 – 2011, FCT-UNL, Portugal:

  • Developed and installed multi-chamber cluster PECVD for silicon nanowire growth.

2008 – 2009, LPICM, Ecole Polytechnique, France:

  • Developed and optimized the set-up for in-situ plasma diagnostics using optical emission spectroscopy for the fabrication of silicon solar cells in the ultra-fast growth in MDECR-PECVD.

2006 – 2008, Samtel Center for Display Technologies, IIT Kanpur:

  • Designed and developed an indigenous experimental setup to measure secondary electron emission (SEE) of dielectric materials for plasma panel display applications.

  • Developed PECVD system for the growth of carbon nanotubes.

1998 – 2006, Dept. of Physics, IIT Kanpur:

  • Set up various synthesis and optoelectronic characterization setups during my Ph.D. related to research on porous silicon and microcrystalline silicon thin films.

  • Took initiative to set up the fabrication and characterization facilities in the laboratory to establish the research activity on organic semiconductor based devices.


  • Authored 3 book chapters, 47 peer-reviewed scientific publications, 36 published scientific abstracts

  • 6 High impact factor (I.F. > 8) journal papers [Incl. Energy & Env. Science (I.F. 39), Nano Energy (I.F. 18) & Nanoscale (I.F. 8)]

  • h-index – 16, i10-index – 18

  • 1 popular media article: “Solar Technologies – The Future is Green”, Project Reporter Quarterly, May – July 2010, ASAPP Media Pvt. Ltd., India

  • Presentations: 8 Invited talks, 16 contributed talks and 14 Poster presentations at international/ national conferences, meetings and workshops

Publications List: 

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