Singlet Oxygen and Mobile Hydroxyl Radicals Co-operating on Gas-Solid Catalytic Reaction Interfaces for Deeply Oxidizing NOx

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Li, Qian;Zhao, Jingjing;Shang, Huan;Ma, Zhong;Cao, Haiyan;...

通讯作者：

Zhang, Dieqing(dqzhang@shnu.edu.cn)

作者机构：

[Li, Qian; Cao, Haiyan; Zhao, Jingjing; Li, Hexing; Zhang, Dieqing; Li, Guisheng; Zhou, Yue] Shanghai Normal Univ, Shanghai Frontiers Sci Ctr Biomimet Catalysis, Key Lab Resource Chem, Joint Int Res Lab Resource Chem,Minist Educ, Shanghai 200234, Peoples R China.

[Li, Qian; Cao, Haiyan; Zhao, Jingjing; Li, Hexing; Zhang, Dieqing; Li, Guisheng; Zhou, Yue] Shanghai Normal Univ, Shanghai Frontiers Sci Ctr Biomimet Catalysis, Shanghai Key Lab Rare Earth Funct Mat, Shanghai 200234, Peoples R China.

[Shang, Huan] Cent China Normal Univ, Coll Chem, Inst Environm & Appl Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Peoples R China.

[Ma, Zhong] Univ Waterloo, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada.

[Ma, Zhong] Univ Waterloo, Waterloo Inst Nanotechnol WIN, Waterloo, ON N2L 3G1, Canada.

通讯机构：

[Dieqing Zhang] T

The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, Shanghai 200234, P. R. China

语种：

英文

关键词：

NOx oxidation;hydroxyl radicals;photocatalysis;singlet oxygen;synergistic effect

期刊：

Environmental Science & Technology

ISSN：

0013-936X

年：

2022

卷：

期：

页码：

5830-5839

DOI：

10.1021/acs.est.2c00622

基金类别：

This work was supported by the National Natural Science Foundation of China (22022608, 21876112, 21876113), the National Key Research and Development Program of China (2020YFA0211004), the “111” Innovation and Talent Recruitment Base on Photochemical and Energy Materials (no. D18020), the Ministry of Education, the Shanghai Key Laboratory of Rare Earth Functional Materials, the Shanghai Engineering Research Center of Green Energy Chemical Engineering (no. 18DZ2254200), and the Shanghai government (18SG41).

机构署名：

本校为其他机构

院系归属：

化学学院

摘要：

Learning from the important role of porphyrin-based chromophores in natural photosynthesis, a bionic photocatalytic system based on tetrakis (4-carboxyphenyl) porphyrin-coupled TiO2was designed for photo-induced treating low-concentration NOxindoor gas (550 parts per billion), achieving a high NO removal rate of 91% and a long stability under visible-light (λ ≥ 420 nm) irradiation. Besides the great contribution of the conventional •O2-reactive species, a synergic effect between a singlet oxygen (1O2) and mobile hydroxyl radicals (•OHf) was...

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Singlet Oxygen and Mobile Hydroxyl Radicals Co-operating on Gas-Solid Catalytic Reaction Interfaces for Deeply Oxidizing NOx

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