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引用次数: 0
摘要
将二氧化碳转化为商业化的化学燃料是缓解温室效应的有效策略。光催化还原二氧化碳因其清洁环保的特性而成为一种极具吸引力的策略,而寻找高效的光催化剂对于实现二氧化碳的高产率和高选择性至关重要。金属有机框架(MOFs)具有高比表面积和丰富的活性位点,有利于光催化反应。为促进寻找实用、绿色和可持续的 MOF 光催化剂,本文总结了不同制备工艺对 MOF 光响应性和孔隙结构的影响,并阐述了未来大规模工业化生产所面临的挑战。此外,还详细总结了 MOFs 光催化还原 CO2 的机理以及影响光催化性能的因素。在此基础上,本综述重点从带状结构设计、异质结构建、目标导向 MOF 形态设计等方面提出了改性策略,指出了提高光催化性能的关键。最后,进一步讨论了 MOFs 在光催化还原 CO2 中面临的挑战和应用前景。
Toward Tailoring Metal–Organic Frameworks for Photocatalytic Reduction of CO2 to Fuels
The conversion of CO2 into commercially available chemical fuels is a meaningful strategy for mitigating the greenhouse effect. Photocatalytic CO2 reduction is an attractive strategy due to its clean and environmentally friendly properties, and seeking efficient photocatalysts is crucial to accomplish high yield and selectivity of CO2. Metal–organic frameworks (MOFs) are favorable for photocatalytic reactions due to their high specific surface areas and abundant active sites. To facilitate the search for practical, green, and sustainable MOF photocatalysts, this paper summarizes the effects of different preparation processes on the photoresponsiveness and pore structure of MOFs, and describes the challenges of large-scale industrial production in the future. Moreover, the mechanism of MOFs photocatalytic reduction of CO2 and the factors affecting the photocatalytic performance were summarized in detail. Based on this, this review focuses on the design of band structure, construction of heterojunction, and design of goal-oriented MOF morphology to propose modification strategies and point out the key to improving photocatalytic performance. Finally, the challenges and application prospects of MOFs in photocatalytic reduction of CO2 are further discussed.
期刊介绍:
The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials.
Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.