Dr. Koventhan Chelliah is a Postdoctoral research Fellow at the Institute of Electro-Optical Engineering, NTNU, Taiwan, specializing in materials science, electrochemistry, nanomaterials, and photocatalysis for sustainable environmental solutions. He holds a BSc in Physics (BDU), an MSc in Nanoscience and Technology (BU), and a PhD in Chemical Engineering and Biotechnology (NTUT). His research focuses on the design of novel nanomaterials for energy storage, especially supercapacitors, enhancing electrochemical properties for improved performance. In electrochemical sensing, Dr. Koventhan has pioneered the development of highly sensitive, selective sensors for biomolecules and environmental pollutants, utilizing nanostructured materials to enhance sensitivity and stability. His research in photocatalysis has led to the development of advanced photocatalysts for environmental remediation, with a focus on wastewater treatment and pollutant degradation, optimizing material efficiency in these processes. A key aspect of his work in green synthesis techniques, where he employs eco-friendly methods to create sustainable nanomaterials from plant extracts and waste materials, minimizing environmental impact. Dr. Koventhan’s interdisciplinary approach has led to numerous breakthroughs in energy storage, environmental monitoring, and pollution control, positioning him as a leading figure in the pursuit of sustainable technologies.