T. T. Khaleelul Rahman | Materials Chemistry | Best Researcher Award

Published on by Analytical Chemistry

Mr. T. T. Khaleelul Rahman | Materials Chemistry | Best Researcher Award

University of Calicut | India

T. T. Khaleelul Rahman is an emerging researcher in the fields of Material Science, Computational Physics, Nanoscience, and Energy Storage Technology, currently pursuing an Integrated M.Sc. in Physics at the University of Calicut, Kerala. His research bridges physics, nanotechnology, and sustainable materials, with a focus on developing advanced polymer nanocomposites for multifunctional applications including optoelectronics, antibacterial systems, and energy-related device engineering. Rahman has contributed to two peer-reviewed international publications, including articles in International Journal of Biological Macromolecules and Journal of Thermoplastic Composite Materials, where he co-developed bio-derived polymer composites reinforced with nanocurcumin and LiAgO-based nanostructures to enhance optical, mechanical, electrical, and antimicrobial properties. His research demonstrates a strong commitment to sustainable nanomaterials and green synthesis for next-generation technologies. His current Scopus metrics reflect 11 citations, 1 h-index, and contributions across 2 indexed documents, emphasizing his early-stage yet impactful scientific engagement. During his academic tenure, Rahman completed a competitive research internship at the Centre for Polymeric Science and Technology, University of Calicut, under the mentorship of Prof. M. T. Ramesan. He has also supported multiple nanocomposite-based research projects involving polymer blends, metal-oxide nanoparticles, and biogenic antimicrobial nanomaterials. His technical competencies span UV-Vis, FTIR, XRD, impedance spectroscopy, MATLAB, Origin, Mathematica, Python, and scientific visualization, strengthening his ability to perform multidisciplinary experimental and computational studies. Beyond research, Rahman is an experienced physics educator, active volunteer, and recipient of notable achievements including the Prof. Joseph Mundassery Scholarship and First Rank in CUCET. With strong academic excellence, proven research capability, and a vision toward sustainable advanced materials, Rahman exemplifies the qualities of a promising young scientist poised to contribute significantly to the scientific community.

Profiles : Scopus | ORCID | Google Scholar 

Featured Publications

Shabah, N. N., Rahman, T. T. K., Gopika, R., & Ramesan, M. T. (2025, July 7). Multifunctional polyvinyl alcohol/maranta arundinacea starch/LiAgO nanocomposites: A sustainable approach for antibacterial and optoelectronic applications. Journal of Thermoplastic Composite Materials.

Ramesan, M. T., Gopika, R., Rahman, T. T. K., Jamsheena, K. T., & Bahuleyan, B. K. (2025, April). Impact of nanocurcumin on mechanical, optical and electrical properties of chitosan/polyvinyl alcohol blend nanocomposites for sustainable applications. International Journal of Biological Macromolecules, 309, 142976.

Oka Arjasa | Nanotechnology | Best Researcher Award

Published on by Analytical Chemistry

Assoc. Prof. Dr. Oka Arjasa | Nanotechnology | Best Researcher Award

BRIN | Indonesia

Assoc. Prof. Oka Pradipta Arjasa, Ph.D. is a leading researcher and Principal Investigator in Colloid and Nanoscience at the Fuel Cells System and Hydrogen Production Research Group, Energy Conversion and Conservation Research Centre (PR KKE), BRIN, Indonesia. With a strong focus on hydrogen technology and sustainable energy solutions, he has been instrumental in developing cutting-edge research and national policy frameworks for energy transition. Dr. Arjasa holds a Ph.D. in Chemistry from the University of Manchester, UK, where he specialized in the magnetic properties of graphene using Electron Spin Resonance. He also earned a Master of Engineering from the University of Indonesia, a Master of Science from National Taiwan University of Science and Technology, and a Bachelor’s degree in Chemical Engineering from Universitas Gadjah Mada. His professional journey includes over a decade of research at the Center for Material Technology (BPPT) and ongoing contributions to national and ASEAN-level scientific initiatives. He currently serves as a Technical Committee member for Indonesia’s Hydrogen Technology Standard (TC 27-11) and as the ASEAN COSTI focal point for Sustainable Energy Research. In Scopus, he has published 15 documents with 28 citations and an h-index of 3. Google Scholar reports 530 citations with an h-index of 10, reflecting his growing impact in sustainable energy research. In addition to his research, Dr. Arjasa is Vice President of Power Resilience at HAGI, a reviewer for international journals, and a dedicated member of multiple scientific consortia. His work in battery recycling, rare earth materials, and hydrogen fuel development reflects his commitment to advancing clean energy technologies in Indonesia and beyond.

Profiles : Scopus | Orcid | Google scholar 

Featured Publications

Bhagaskara, A., Wijaya, K., Trisunaryanti, W., Saputra, D. A., Agustanhakri, A., Taqwatomo, G., Arjasa, O. P., Budiman, A. H., & Anggaravidya, M. (2025, October). Upcycling secondary nickel from spent nickel-manganese-cobalt (NMC) batteries as a nanocatalyst on sulfated natural zeolite for converting LDPE plastic waste into jet-fuel hydrocarbons. Next Materials.

Hastuti, L. P., Budiman, A. H., Arjasa, O. P., Ristiana, D. D., Gumelar, M. D., Saputra, D. A., Rahayu, S., Husin, S., & Prasetyo, H. (2025, June 18). Synergistic NiS/CuO heterostructures as two-in-one catalysts for dye removal and bacterial inactivation. International Journal of Environmental Analytical Chemistry.

Hastuti, L. P., Budiman, A. H., Darsono, N., Timuda, G. E., Bakri, A., Darmawan, A., & Arjasa, O. P. (2025, May 4). Novel g-C₃N₄/rGO/NiS incorporated into GO free-standing membrane as a photocatalytic membrane for excellent dye photodegradation. Fullerenes, Nanotubes and Carbon Nanostructures.

Simamora, R. M. A., Setyadi, J. P., Pravitasari, R. D., Arjasa, O. P., Damisih, D., Hapsari, A. U., Raharjo, J., Indayaningsih, N., Subhan, A., Budiman, A. H., et al. (2025, January 13). Pt nanowire arrays on graphene-integrated cathode gas diffusion layer for proton exchange membrane fuel cells. ACS Applied Energy Materials.

Husin, S., Saudi, A. U., Taqwatomo, G., Gumelar, M. D., Raharjo, J., Rahayu, S., Prasetyo, H., Yuliani, H., Saputra, D. A., Arjasa, O. P., et al. (2024). Recovery of valuable metals from NMC-811 Li-ion battery waste with froth flotation and hydrometallurgical extraction. Engineering and Applied Science Research.