Photocatalytic polymers of intrinsic microporosity for hydrogen production from water

被引：49

作者：

Bai, Yang ^{[1
,4
]}

Wilbraham, Liam ^{[2
,5
]}

Gao, Hui ^{[1
]}

Clowes, Rob ^{[1
]}

Yang, Haofan ^{[1
]}

Zwijnenburg, Martijn A. ^{[2
]}

Cooper, Andrew I. ^{[1
]}

Sprick, Reiner Sebastian ^{[1
,3
]}

机构：

[1] Univ Liverpool, Dept Chem & Mat Innovat Factory, Crown St, Liverpool L69 7ZD, Merseyside, England

[2] UCL, Dept Chem, 20 Gordon St, London WC1H 0AJ, England

[3] Univ Strathclyde, Dept Pure & Appl Chem, Thomas Graham Bldg,295 Cathedral St, Glasgow G1 1XL, Lanark, Scotland

[4] Agcy Sci Technol & Res, Inst Mat Res & Engn, 08-03,2 Fusionopolis Way, Singapore 138634, Singapore

[5] Univ Glasgow, Sch Chem, Univ Ave, Glasgow G12 8QQ, Lanark, Scotland

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2021年 / 9卷 / 35期

基金：

英国工程与自然科学研究理事会;

关键词：

COVALENT TRIAZINE FRAMEWORKS; ORGANIC PHOTOCATALYSTS; CONJUGATED POLYMERS; EVOLUTION; DESIGN; ABSORPTION; FLUORENE; ENERGY; PIMS;

D O I：

10.1039/d1ta03098a

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：

The most common strategy for introducing porosity into organic polymer photocatalysts has been the synthesis of cross-linked conjugated networks or frameworks. Here, we study the photocatalytic performance of a series of linear conjugated polymers of intrinsic microporosity (PIMs) as photocatalysts for hydrogen production from water in the presence of a hole scavenger. The best performing materials are porous and wettable, which allows for the penetration of water into the material. One of these polymers of intrinsic microporosity, P38, showed the highest sacrificial hydrogen evolution rate of 5226 mu mol h(-1) g(-1) under visible irradiation (lambda > 420 nm), with an external quantum efficiency of 18.1% at 420 nm, placing it among the highest performing polymer photocatalysts reported to date for this reaction.

引用

页码：19958 / 19964

页数：7

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