Dr. Yusuf Mathiinul Hakim is an emerging researcher in the field of chemistry, specializing in functionalized natural clay minerals and composite materials for environmental remediation. His work primarily focuses on the synthesis and modification of bentonite-based materials, catalysts, and photocatalysts aimed at efficient wastewater treatment through adsorption and photodegradation processes. With a strong foundation in materials chemistry and environmental applications, his research contributes to the development of sustainable, low-cost, and eco-friendly technologies. He has authored 9 scientific documents with a total of 32 citations, reflecting growing academic recognition, and holds an h-index of 4, indicating consistent research impact. His publications span areas such as dye removal, pollutant degradation, and advanced material design, demonstrating interdisciplinary relevance. Through innovative experimental approaches and applied research, he continues to advance scientific understanding in environmental chemistry and materials science.