Antimony-Doped Tin Oxide Catalysts for Green and Sustainable Chemistry
Antimony-Doped Tin Oxide Catalysts for Green and Sustainable Chemistry
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DOI：
10.1021/acs.jpcc.2c03648
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发表时间：
2022-06
期刊：
影响因子：
--
通讯作者：
H. Tada;S. Naya
中科院分区：
文献类型：
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作者：
H. Tada;S. Naya
氧化锡 (SnO2:Sb) 中的锑掺杂剂占据晶格中的部分 Sn 位点，以原子水平分散。由此产生的导带电子在近红外区域产生高电导率和强光吸收。化学上，SnO2:Sb 具有双电子氧还原反应 (2e–-ORR) 的电催化活性，对 H2O2 和单电子水氧化反应 (1e–-WOR) 的亲和力极低。由于这些独特的性质，SnO2:Sb 目前正在寻找其在绿色和可持续化学领域的应用。本观点概述了 SnO2:Sb 的基本原理和应用。基本部分涉及 SnO2:Sb 的三维单原子催化剂性质以及 2e–-ORR 和 1e–-WOR 的电催化活性。在随后的应用部分中，通过光热催化反应描述了SnO2:Sb催化的电化学和光催化反应，包括过氧化氢合成、低温氧化有机转化和有机水污染物的分解。最后对本文的结论和未来的展望进行了总结。
Antimony dopants in tin oxide (SnO2:Sb) occupy part of the Sn sites in the crystal lattice to be dispersed at an atomic level. The resulting generation of conduction band electrons gives rise to high electric conductivity and strong optical absorption in the near-infrared region. Chemically, SnO2:Sb possesses electrocatalytic activities for the two-electron oxygen reduction reaction (2e–-ORR) with an extraordinary low affinity for H2O2and one-electron water oxidation reaction (1e–-WOR). Owing to these unique properties, SnO2:Sb is currently finding its applications for green and sustainable chemistry. This Perspective outlines the fundamentals and applications of SnO2:Sb. The fundamental parts deal with the three-dimensional single-atom-catalyst-like character of SnO2:Sb and the electrocatalytic activities for 2e–-ORR and 1e–-WOR. In the subsequent application parts, SnO2:Sb-catalyzed electrochemical and photocatalytic reactions including hydrogen peroxide synthesis, low-temperature oxidative organic transformations, and decomposition of organic water pollutants are described with the photothermal catalytic reactions. Finally, the conclusions and future prospects are summarized.