Investigation on Photocatalytic Removal of NO under Visible Light over Cr-Doped ZnO Nanoparticles

被引：66

作者：

Son Ngoc Nguyen ^{[1
]}

Thao Kim Truong ^{[1
]}

You, Sheng-Jie ^{[2
]}

Wang, Ya-Fen ^{[2
]}

Thi Minh Cao ^{[3
]}

Viet Van Pham ^{[1
]}

机构：

[1] Univ Sci, VNU HCM, Fac Mat Sci & Technol, Ho Chi Minh City 700000, Vietnam

[2] Chung Yuan Christian Univ, Dept Environm Engn, Taoyuan 32023, Taiwan

[3] Ho Chi Minh City Univ Technol HUTECH, Ho Chi Minh City 700000, Vietnam

来源：

ACS OMEGA | 2019年 / 4卷 / 07期

关键词：

DIRECTIONAL ELECTRON DELIVERY; SOL-GEL SYNTHESIS; ANTIBACTERIAL ACTIVITY; OXYGEN VACANCIES; CARBON NITRIDE; BAND-GAP; DEGRADATION; EFFICIENT; AIR; CO;

D O I：

10.1021/acsomega.9b01628

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Removal of nitrogen oxide pollution has attracted much attention, and photocatalysis is considered as an effective method to treat polluted gas. Currently, modified semiconductors with approximate band gap are used as visible-light-driven photocatalysts. Herein, this is the first investigation of photocatalytic removal of NO under visible light over Cr-doped ZnO nanoparticles (Cr-ZnO NPs). Furthermore, the trapping species experiment and electron spin resonance measurement were conducted to identify the primary reactive factor of the photocatalytic reaction. In this study, Cr-ZnO NPs were synthesized by the sol-gel method with a narrow band gap, enhanced NO photocatalytic degradation performance, low NO2 conversion yield, and high stability under visible light.

引用

页码：12853 / 12859

页数：7

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