Dibenzothiophene Dioxide Based Conjugated Microporous Polymers for Visible-Light-Driven Hydrogen Production

被引：221
|
作者：
Wang, Zijian [1 ]
Yang, Xiye [2 ]
Yang, Tongjia [1 ]
Zhao, Yongbo [1 ]
Wang, Feng [3 ]
Chen, Yu [1 ]
Zeng, Jing Hui [1 ]
Yan, Chao [4 ]
Huang, Fei [2 ]
Jiang, Jia-Xing [1 ]
机构：
[1] Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Key Lab Adv Energy Devices, Key Lab Macromol Sci Shaanxi Prov, Xian 710062, Shaanxi, Peoples R China
[2] South China Univ Technol, State Key Lab Luminescent Mat & Devices, Inst Polymer Optoelect Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China
[3] Wuhan Inst Technol, Sch Chem Engn & Pharm, Minist Educ, Key Lab Green Chem Proc, Wuhan 430073, Hubei, Peoples R China
[4] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
来源：
ACS CATALYSIS | 2018年 / 8卷 / 09期
基金：
中国国家自然科学基金;
关键词：
conjugated microporous polymers; photocatalysis; hydrogen production; planarity; apparent quantum yield; COVALENT TRIAZINE FRAMEWORKS; ORGANIC FRAMEWORK; GAS-ADSORPTION; SURFACE-AREA; EVOLUTION; WATER; NETWORKS; PHOTOCATALYSTS; GENERATION; PHOTOSYNTHESIS;
D O I：
10.1021/acscatal.8b02607
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：
Conjugated microporous polymers (CMPs) have gained much recent attention as a kind of metal-free organic photocatalyst for photocatalytic hydrogen generation. However, the development of a visible-light-driven CMP photocatalyst with high photocatalytic activity is still a big challenge. Here, we report dibenzothiophene dioxide containing CMP photocatalysts and demonstrate the influence of the cross-linker length on the photocatalytic performance for hydrogen production. The most active photocatalyst of DBTD-CMP1 with a short cross-linker of benzene exhibits a high hydrogen evolution rate (HER) of 2460 mu mol h(-1) g(-1) under visible light without Pt cocatalyst. Remarkably, the Pt-loaded DBTD-CMP1 shows an attractive HER of 9200 mu mol h(-1) g(-1) under UV-vis light illumination. This result demonstrates that these dibenzothiophene dioxide containing organic polymer photocatalysts.
引用
收藏
页码：8590 / +
页数：13
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