Single-Atom Photocatalysts for Emerging Reactions.
Single-Atom Photocatalysts for Emerging Reactions.
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DOI：
10.1021/acscentsci.0c01466
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发表时间：
2021-01-27
影响因子：
18.2
通讯作者：
Qiao SZ
中科院分区：
文献类型：
--
作者：
Xia B;Zhang Y;Ran J;Jaroniec M;Qiao SZ
单原子光催化剂在利用可持续和清洁的太阳光生产增值化学品和/或燃料以取代造成全球能源和环境问题的化石燃料方面表现出巨大的潜力。这些光催化剂不仅由于其独特的电子结构和不饱和配位中心而表现出优异的活性、选择性和稳定性，而且由于催化物种的原子分散性而大大降低了催化金属的消耗。此外，单原子活性中心有助于阐明反应机理和理解结构-性能关系。目前，除了众所周知的反应（H2生产，N2固定和CO2转化），各种新的反应被成功地催化具有高效率，高选择性和高稳定性的单原子光催化剂。在这篇文章中，我们总结和讨论了三种不同类型的新兴反应（即，还原反应、氧化反应以及氧化还原反应）以产生所需的化学品和/或燃料。详细阐述了单原子光催化剂的组成、结构与其活性、选择性和稳定性之间的关系。此外，还介绍了单原子光催化剂的反应机理。最后，我们提出了在这一领域的设计和制造的全新的高性能的单原子光催化剂的可能机会。具有上级催化性能的单原子光催化剂可用于越来越多的新兴反应，以有效地将太阳能转化为燃料和增值化学品。
Single-atom photocatalysts have demonstrated an enormous potential in producing value-added chemicals and/or fuels using sustainable and clean solar light to replace fossil fuels causing global energy and environmental issues. These photocatalysts not only exhibit outstanding activities, selectivity, and stabilities due to their distinct electronic structures and unsaturated coordination centers but also tremendously reduce the consumption of catalytic metals owing to the atomic dispersion of catalytic species. Besides, the single-atom active sites facilitate the elucidation of reaction mechanisms and understanding of the structure-performance relationships. Presently, apart from the well-known reactions (H2 production, N2 fixation, and CO2 conversion), various novel reactions are successfully catalyzed by single-atom photocatalysts possessing high efficiency, selectivity, and stability. In this contribution, we summarize and discuss the design and fabrication of single-atom photocatalysts for three different kinds of emerging reactions (i.e., reduction reactions, oxidation reactions, as well as redox reactions) to generate desirable chemicals and/or fuels. The relationships between the composition/structure of single-atom photocatalysts and their activity/selectivity/stability are explained in detail. Additionally, the insightful reaction mechanisms of single-atom photocatalysts are also introduced. Finally, we propose the possible opportunities in this area for the design and fabrication of brand-new high-performance single-atom photocatalysts. Single-atom photocatalysts with superior catalytic performance could be utilized in an increasing number of emerging reactions to efficiently convert solar energy into fuels and value-added chemicals.
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DOI：
10.1073/pnas.1913403117
发表时间：
2020-03-24
影响因子：
11.1
作者：
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影响因子：
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影响因子：
29.4
作者：
Gao, Chao;Chen, Shuangming;Xiong, Yujie
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影响因子：
5.4
作者：
Chen, Jie;Allyson, Zoe G.;He, Yan-Hong
通讯作者：
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影响因子：
12.9
作者：
Chu, Chiheng;Huang, Dahong;Kim, Jae-Hong
通讯作者：
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