光化学
钌
光催化
锐钛矿
电子受体
电子供体
人工光合作用
激发态
化学
接受者
催化作用
材料科学
物理
原子物理学
有机化学
凝聚态物理
作者
Haowei Huang,Jianhong Lin,Gangbei Zhu,Yuxiang Weng,Xuxu Wang,Xianzhi Fu,Jinlin Long
标识
DOI:10.1002/anie.201602796
摘要
Abstract This work shows a novel artificial donor–catalyst–acceptor triad photosystem based on a mononuclear C 5 H 5 ‐RuH complex oxo‐bridged TiO 2 hybrid for efficient CO 2 photoreduction. An impressive quantum efficiency of 0.56 % for CH 4 under visible‐light irradiation was achieved over the triad photocatalyst, in which TiO 2 and C 5 H 5 ‐RuH serve as the electron collector and CO 2 ‐reduction site and the photon‐harvester and water‐oxidation site, respectively. The fast electron injection from the excited Ru 2+ cation to TiO 2 in ca. 0.5 ps and the slow backward charge recombination in half‐life of ca. 9.8 μs result in a long‐lived D + –C–A − charge‐separated state responsible for the solar‐fuel production.
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