The article discusses the growing interest in hydrogen gas as a clean fuel and the need for efficient electrocatalysts for hydrogen production. It focuses on the synthesis of platinum nanoparticles using citrate-based methods, highlighting their stability and catalytic efficiency for the hydrogen evolution reaction. The study explores the synergistic effect of platinum nanoparticles and carbon supports, with nitrogen-doped graphene oxide showing promising catalytic efficiency. The use of metal citrate as a precursor for metal nanoparticles is also discussed for achieving homogeneous dispersion. Additionally, the article delves into the microwave-assisted synthesis of platinum nanoparticles on a biomass support derived from banana peels, offering a green and efficient solution. Results from structural and surface characterization, including XRD analysis, demonstrate the successful synthesis of pure cubic platinum nanoparticles with controlled size and distribution. The electrocatalytic activity of these nanoparticles for the hydrogen evolution reaction will be further evaluated to understand their performance and mechanism in acidic media. Overall, the research emphasizes innovative nanoparticle synthesis techniques for sustainable hydrogen production.