Chennai institute of technology | India
Dr. Rubesh Ashok Kumar is a dynamic and passionate research scholar in the field of materials science, currently pursuing his Ph.D. at Aarupadai Veedu Institute of Technology (AVIT), Chennai, under Vinayaka Mission’s Research Foundation (VMRF). With a strong foundation in chemistry and over four years of hands-on experience in academic and applied research, he has made notable contributions to the development of nanomaterials, particularly focusing on MXene-based semiconductor nanocomposites for environmental remediation. His dedication to scientific inquiry is reflected in his extensive publication record, collaborative projects, and consistent participation in national and international conferences. Dr. Rubesh is known for his methodical approach to experimental chemistry and his commitment to solving real-world environmental issues through innovative photocatalytic technologies.
Professional Profile
Education
Dr. Rubesh Ashok Kumar began his academic journey with a Bachelor’s degree in Chemistry from The American College, followed by a Master’s degree in Chemistry from NMSSVN College. These formative years laid the groundwork for his deep interest in materials chemistry and nanotechnology. His academic training emphasized core chemical principles, analytical techniques, and experimental design, which he later expanded upon during his postgraduate project on selective ion detection using hydrazone units. His current doctoral research at AVIT focuses on the synthesis and characterization of semiconductor metal oxide-incorporated MXene nanomaterials, targeting efficient photocatalytic applications for environmental cleanup. This research has allowed him to explore advanced synthesis methods such as hydrothermal and co-precipitation techniques, contributing significantly to his academic and professional growth.
Experience
Dr. Rubesh’s professional journey reflects a seamless integration of academic research and technical expertise. He began his career as a Technical Analyst at SPI Global, where he worked on chemistry-related content and analysis. He later joined SRM Institute of Science and Technology (SRM-IST), Chennai, as a researcher, focusing on graphene-based polymer nanocomposites for energy and environmental applications. Since November 2021, he has been working as a Ph.D. scholar at AVIT, where he has been instrumental in leading projects related to MXene nanocomposites for wastewater treatment. His collaborative nature and research aptitude have led to successful partnerships with renowned institutions and scientists from Taiwan, South Korea, and India. He has also engaged in teaching undergraduate courses, offering lab instruction in engineering chemistry and environmental science, further extending his influence as a mentor and educator.
Research Interest
Dr. Rubesh’s research interests lie at the intersection of nanotechnology and environmental science. His core focus is the development of MXene-based semiconductor nanocomposites for advanced oxidation processes (AOP) to treat dye pollutants, antibiotics, and pharmaceutical waste in wastewater. He specializes in synthesizing various metal oxide nanomaterials using hydrothermal and co-precipitation techniques, investigating their structural, optical, and photocatalytic properties. His work involves rigorous studies on photocatalytic degradation under visible and sunlight irradiation using annular photo reactors, and includes electrochemical analysis and thin film coatings. In addition, he has explored reaction kinetics, reusability studies, and catalyst optimization to enhance the real-time efficiency of wastewater remediation processes. His skillset extends to multiple analytical techniques, such as FTIR, UV-Vis spectroscopy, AFM, and COD analysis, positioning him as a well-rounded and highly capable materials chemist.
Awards and Recognitions
Dr. Rubesh has received several accolades for his outstanding research contributions. He secured the first prize at the International Conference on Hybrid Solar Cell Technology (ICSCT 2023) for his oral presentation on photocatalytic degradation using MXene-based materials. His work was further recognized with the third prize during the University Research Day 2024 organized by VMRF for his innovative presentation on sunlight-assisted degradation of pollutants. These achievements highlight not only his academic excellence but also his ability to communicate complex scientific findings effectively. Moreover, he has been an active participant in numerous workshops, training programs, and international seminars focused on nanomaterials and environmental technology, demonstrating his continuous commitment to professional development.
Publications
Impact of WO₃:CeO₂@MXene/g-C₃N₄ nano disk on sunlight-driven photocatalytic removal of fluoroquinolone antibiotic and high-performance supercapacitor application
Authors: Rubesh Ashok Kumar Selvakumar; Vasvini Mary Devaraj; Rachel Angeline Lenin; Nagarani Sandran; Jih-Hsing Chang; Suganya Josephine Gali Anthoni
Journal: Carbon Letters
Year: 2025
An efficient rare earth metal oxide-supported MXene/g-C₃N₄ photocatalyst for removing organic dye from wastewater
Authors: D. Vasvini Mary; S. Rubesh Ashok Kumar; G.A. Suganya Josephine
Journal: Journal of the Indian Chemical Society
Year: 2025
Nano Janue-like N-doped ZnO bundles as efficient photocatalysis for the removal of endocrine disruptor under visible-light irradiation
Authors: Suganya Josephine Gali Anthoni; Rubesh Ashok Kumar Selva Kumar; Vasvini Mary Devaraj; Prathap Kumar Mani; Sivasamy Arumugam
Journal: Pure and Applied Chemistry
Year: 2025
Construction of coral reef-like transition/rare earth metal oxide-supported g-C₃N₄-based nanocomposite: A new approach for enhanced visible light-assisted photocatalytic removal of orange G dye
Authors: D. Vasvini Mary; S. Rubesh Ashok Kumar; Jennifer G. Joseph; B. Dhanalakshmi; G.A. Suganya Josephine
Journal: Applied Catalysis O: Open
Year: 2024
Graphene/GO/rGO based nanocomposites: Emerging energy and environmental application–review
Authors: S. Rubesh Ashok Kumar; D. Vasvini Mary; G.A. Suganya Josephine; Mohamed A. Riswan Ahamed
Journal: Hybrid Advances
Year: 2024
Hydrothermally synthesized WO₃:CeO₂ supported g-C₃N₄ nanolayers for rapid photocatalytic degradation of azo dye under natural sunlight
Authors: S. Rubesh Ashok Kumar; D. Vasvini Mary; G.A. Suganya Josephine; A. Sivasamy
Journal: Inorganic Chemistry Communications
Year: 2024
Conclusion
Dr. Rubesh Ashok Kumar exemplifies a new generation of researchers dedicated to addressing environmental challenges through scientific innovation. With a solid academic background, diverse research experience, and a clear focus on sustainable nanomaterials, he stands out as a promising scientist in the field of photocatalysis and wastewater treatment. His collaborative projects, international exposure, and consistent contributions to high-impact journals underscore his potential to make long-lasting contributions to environmental nanotechnology. As he continues to advance in his academic journey, Dr. Rubesh remains committed to producing impactful research that bridges material science with environmental sustainability, contributing meaningfully to global scientific progress.