Nanocomposites have become increasingly important in photoelectrochemical (PEC) water splitting, considerably improving stability and efficiency. By including nanoscale components, these composites improve light absorption, charge separation, and catalytic activity. Their large surface areas enable effective catalytic reactions, and their electrical characteristics may be precisely controlled. A new assessment underlines their crucial significance in overcoming the constraints of conventional materials and hastening the development of sustainable hydrogen production techniques. Nanocomposites, by enhancing PEC water-splitting systems, are crucial for developing more efficient and less cost-effective hydrogen generating techniques. The review focuses on the crucial function of binary and ternary nanocomposites in improving PEC water splitting. It discusses new advancements, including synthesis methodologies and structural design ideas for improving the performance of PEC devices. The review investigates the synergistic features of several material combinations, including sulfides, carbon, GO and g-C3N4 – based materials, in catalyzing water-splitting reactions. It gives mechanistic insights into the improved PEC activity of these nanocomposites, focusing on charge separation mechanisms and interface engineering. Additionally, the review discusses recent advances in manufacturing procedures. It explores the problems and opportunities for incorporating binary and ternary nanocomposites into practical PEC devices for large-scale hydrogen production, providing important insights for renewable energy research.

中文翻译：

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探索二元和三元纳米复合材料在光电化学分解水中的研究进展


纳米复合材料在光电化学 （PEC） 分解水中变得越来越重要，大大提高了稳定性和效率。通过加入纳米级成分，这些复合材料提高了光吸收、电荷分离和催化活性。它们的大表面积可实现有效的催化反应，并且可以精确控制其电气特性。一项新的评估强调了它们在克服传统材料限制和加速可持续制氢技术发展方面的关键意义。纳米复合材料通过增强 PEC 分解水系统，对于开发更高效且成本效益更低的制氢技术至关重要。本文重点介绍了二元和三元纳米复合材料在改善 PEC 分解水方面的关键功能。它讨论了新的进展，包括提高 PEC 器件性能的综合方法和结构设计思路。该综述研究了几种材料组合（包括硫化物、碳、GO 和 g-C3N4 基材料）在催化分解水反应中的协同作用。它为这些纳米复合材料的 PEC 活性的改进提供了机理见解，重点是电荷分离机制和界面工程。此外，该评论还讨论了制造程序的最新进展。它探讨了将二元和三元纳米复合材料整合到实际 PEC 器件中以进行大规模制氢的问题和机遇，为可再生能源研究提供了重要见解。