Photocatalytic production of H2O2 over facet-dependent Ti-MOF

被引：43
作者：
Zheng, Yuanzhou [1 ]
Zhou, Hualan [1 ]
Zhou, Bosen [1 ]
Mao, Jingchen [1 ]
Zhao, Yinghao [1 ]
机构：
[1] Jiangsu Ocean Univ, Sch Environm & Chem Engn, Lianyungang, Jiangsu, Peoples R China
来源：
CATALYSIS SCIENCE & TECHNOLOGY | 2022年 / 12卷 / 03期
关键词：
HYDROGEN-PEROXIDE PRODUCTION; METAL-ORGANIC-FRAMEWORKS; CARBON NITRIDE;
D O I：
10.1039/d1cy02166d
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In the past several years, two-phase photocatalysts, such as PDI/C3N4, ZIF/C3N4 or Cu-2(OH)PO4/C3N4, have been used for H2O2 photo-production. Few monocomponent photocatalysts for H2O2 production were reported. Among the monocomponent photocatalysts, Ti-MOF photocatalysts for H2O2 photo-production have attracted much attention, although it is a challenge for Ti-MOFs to achieve good electron-hole separation. Herein, monocomponent structure NH2-MIL-125 with coexisting (111) and (001) facets was prepared as a photocatalyst for H2O2 production. A "two-channel" route in the photocatalyst is formed in the frustum structure NH2-MIL-125. One channel is O-2 reduction by conduction band electrons on (111) facets, and the other is the valence band holes on (001) facets. This work will benefit the design of monocomponent Ti-MOF photocatalysts.
引用
收藏
页码：969 / 975
页数：7
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