1. Renewable Energy, Nano-science and Technology, Thin Film Technology and Deposition, Material Characteristics, Material Sciences in photo-voltaic application. 2. Expert system design, computer interfacing, Robotics and Drone design.
1.Nusrat Jahan, Farid Ahmed, Samiran Roy, “synthesis and optical characterization of CZTS thin films for absorber layer via spin coating technique”, Barisal University Journal Part 1, Volume 4, Issue 3, December 2018.(Article in press). 2. Samiran Roy, "Design, simulation and implementation of a pic16f877a micro-controller based digital fare meter for cycle-rickshaw", Barisal University Journal Part 1, Volume 4, Issue 2, December 2017. 3. Samiran Roy, Md. Rashedul Islam, Parimol Kumar Sarkar, Md. AshikulHaque, Liton Kumar Biswas, “Study the Characteristics of PV Module Using a Sun Simulator”. International Journal of Engineering Research & Technology (IJERT), ISSN: 2278-0181,Vol. 3 Issue 4, April-2014. 4. Protap Kumar Mahanta, Zahid Hasan Mahmood, Kaiser Ahmed Rocky, Samiran Roy, "Performance Analysis of CNT-based Interconnect for Nano scaled VLSI" Conference On “Recent Trends in Electrical and Electronic Communication Engineering”(RTEECE — 2012)Organized by “Krishi Sanskriti” On 29th — 30th September 2012.
Research Grants 1. Present situation of energy structure and future prospect of renewable energy in Bangladesh, A project under the supervision of University Grant Commission of Bangladesh, July 2017 to June 2018. 2. Android Based Cost Effective Customized Multipurpose Quadcopter for Surveillance Purpose in Barishal University. A project under the supervision of University Grant Commission of Bangladesh, July 2018 to June 2019.