期刊论文

Ai, Zhihui;Zhang, Lizhi

英文

Environmental Science & Technology

0013-936X

2019

53

12

6964-6971

10.1021/acs.est.9b01287

National Key Research and Development Program of China [2016YFA0203000]; National Natural Science Funds for Distinguished Young ScholarsNational Natural Science Foundation of China (NSFC)National Science Fund for Distinguished Young Scholars [21425728]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21477044, 51472100, 21872061]; 111 ProjectMinistry of Education, China - 111 Project [B17019]; Self-Determined Research Funds of CCNU from the Colleges' Basic Research and Operation of MOE [CCNU16A02029]

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Intelligent defect engineering to harness surface molecular processes is at the core of selective oxidation catalysis. Here, we demonstrate that the two-electron-trapped oxygen vacancy (V-O) of BiOCL, a prototypical F center (V-O('')) is a superb site to confine O-2 toward efficient and selective NO oxidation to nitrate. Stimulated by solar light, V-O('')" accomplishes NO oxidation through a two-electron charging (V-O('') + O-2 -> V-O('') -O-2(2-)) and subsequent one-electron decharging process (V-O('')-O-2(2)- + NO -> V-O-NO3- + e(-)). The back-donated electron is retrapped by V-O to produce ...