Hanghang Zhou, Wenqiang Ye, Jizhou Jiang, Zheng Wang
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引用次数: 0
摘要
人工光合作用利用清洁、可持续的太阳能，催化 CO2 和 H2O 分子转化为有价值的化学物质和氧气。这种可持续的方法将能源转换与环境污染控制相结合。非氧化物光催化剂具有广泛的可见光吸收能力和合适的带状结构，在二氧化碳转化方面具有巨大的潜力。然而，它们在实际应用中仍面临着诸多挑战，尤其是在 CO2 与 H2O 的转化方面。表面改性和功能化在提高非氧化物光催化剂的活性方面发挥着重要作用。为了优化光收集、带隙驱动力、电子-空穴对分离/转移、二氧化碳吸附、活化和催化过程，人们探索了多种策略，如共催化剂负载、表面调节、掺杂工程和异质结构构建。本综述总结了非氧化物光催化剂表面改性策略的最新进展，并讨论了这些策略在高效转化二氧化碳方面的增强机制。这些见解有望为高性能非氧化物光催化剂系统的设计提供指导。图解 摘要具有广泛可见光吸收能力的非氧化物光催化剂的表面改性在利用 H2O 还原 CO2 以实现清洁能源转换方面具有巨大潜力。
Recent advances on surface modification of non-oxide photocatalysts towards efficient CO2 conversion
Artificial photosynthesis harnesses clean and sustainable solar power to catalyze the conversion of CO2 and H2O molecules into valuable chemicals and O2. This sustainable approach combines energy conversion with environmental pollution control. Non-oxide photocatalysts with broad visible-light absorption and suitable band structures, hold immense potential for CO2 conversion. Nevertheless, they still face numerous challenges in practical applications, particularly in CO2 conversion with H2O. Surface modification and functionalization play the significant role in improving the activity of non-oxide photocatalysts. Multifarious strategies, such as cocatalyst loading, surface regulation, doping engineering, and heterostructure construction, have been explored to optimize light harvesting, bandgap driving force, electron–hole pairs separation/transfer, CO2 adsorption, activation, and catalysis processes. This review summarizes recent progress in surface modification strategies for non-oxide photocatalysts and discusses their enhancement mechanisms for efficient CO2 conversion. These insights are expected to guide the design of high-performance non-oxide photocatalyst systems.
Graphical Abstract
Surface modification of non-oxide photocatalysts having broad visible-light absorption holds immense potential for CO2 reduction with H2O towards clean energy conversion.
期刊介绍：
Carbon Letters aims to be a comprehensive journal with complete coverage of carbon materials and carbon-rich molecules. These materials range from, but are not limited to, diamond and graphite through chars, semicokes, mesophase substances, carbon fibers, carbon nanotubes, graphenes, carbon blacks, activated carbons, pyrolytic carbons, glass-like carbons, etc. Papers on the secondary production of new carbon and composite materials from the above mentioned various carbons are within the scope of the journal. Papers on organic substances, including coals, will be considered only if the research has close relation to the resulting carbon materials. Carbon Letters also seeks to keep abreast of new developments in their specialist fields and to unite in finding alternative energy solutions to current issues such as the greenhouse effect and the depletion of the ozone layer. The renewable energy basics, energy storage and conversion, solar energy, wind energy, water energy, nuclear energy, biomass energy, hydrogen production technology, and other clean energy technologies are also within the scope of the journal. Carbon Letters invites original reports of fundamental research in all branches of the theory and practice of carbon science and technology.
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