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Abstract

Green photocatalysts are emerging as key materials for sustainable energy solutions, utilizing sunlight to drive chemical reactions that can provide clean energy alternatives. These photocatalysts, often designed at the nanoscale, facilitate important processes such as water splitting and carbon dioxide reduction, addressing two significant challenges in the field of clean energy. By leveraging nanotechnology, green photocatalysts exhibit enhanced efficiency, stability, and reactivity compared to traditional catalysts. Nanomaterials, such as titanium dioxide, graphene, and metal nanoparticles, offer high surface areas and unique electronic properties that improve photocatalytic performance under visible light. In this review, we explore the latest developments in green photocatalyst materials, highlighting advancements in their synthesis, characterization, and potential applications for energy production. Furthermore, we discuss their environmental benefits and the challenges associated with scaling up these technologies for practical, large-scale applications. Green photocatalysts represent a promising avenue for the future of clean, renewable energy systems.