Piumantha Samaranayake | Gas Sensors | Best Researcher Award

Mr. Piumantha Samaranayake | Gas Sensors | Best Researcher Award

Demonstrator, University of Ruhuna Sri Lanka

Piumantha Dilnuwan Samaranayake is an undergraduate student in Physics at the University of Ruhuna, Sri Lanka, specializing in theoretical studies for gas sensing applications. He is working on his research project focused on the adsorption interactions of toxic gases with PdO-Graphene composites for gas sensor applications. Piumantha has a keen interest in computational modeling and electronic systems and has been involved in various teaching and voluntary activities at his university. He has contributed significantly to physics-related exhibitions and innovation events, fostering student engagement in science and technology. His goal is to further explore the potential of computational physics in solving real-world problems.

Publication Profile

Scholar

🎓 Education

B.Sc. Honors in Physics (2019-2024): University of Ruhuna, Sri Lanka; GPA of 3.27. Relevant courses: Electronics, Quantum Mechanics, Statistical Mechanics, Solid-State Physics, Computational Physics.

💼 Experience

Teaching Assistant (Current): University of Ruhuna; Supervising General Physics Laboratory, Electronics Laboratory, and Engineering Workshop. Undergraduate Research Project: Investigating PdO-Graphene composites for gas sensing of toxic gases using Density Functional Theory. Voluntary Roles: Member of Physics Society and Ruhuna Invention and Innovation Club, organizing events like “Stella Night Astro Camp” and “Sahasak Nimavum”.

🏆 Awards & Honors

Research Publication: “Theoretical Study of CO, NO, NO2, Cl2, and H2S Adsorption Interactions with PdO–Graphene Composites for Gas Sensor Applications” published in Micromachines (2025). Active participant and organizer in Physics Exhibitions and Innovation Events.

🔬 Research Focus

Piumantha’s research explores the use of PdO-Graphene composites in gas sensors for detecting toxic gases like CO, NO, NO2, Cl2, and H2S. Using Density Functional Theory (DFT), he investigates the interactions between gas molecules and graphene, aiming to improve gas sensing properties. His work focuses on understanding adsorption mechanisms, binding energies, and charge transfer, contributing to the development of efficient toxic gas sensors.

Conclusion

Piumantha’s innovative research, technical skills, and community involvement make him a strong contender for the Best Researcher Award. By diversifying his research collaborations and expanding his global presence, he is poised to make significant contributions to science and technology in the years ahead.

Publication Top Notes

Title: Theoretical Study of CO, NO, NO2, Cl2, and H2S Adsorption Interactions with PdO–Graphene Composites for Gas Sensor Applications
Authors: P. Samaranayake, A. Ahamed, V. Silva, N.M. Wickramage, M.R.R. Kooh, and others
Published in: Micromachines, Vol. 16 (1), Article 9
Year: 2024