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Abstract:
The search for metal-free organic photocatalysts for H-2 production from water using visible light remains a key challenge. Reported herein is a molecular structural design of pure organic photocatalysts, derived from conjugated polybenzothiadiazoles, for photocatalytic H-2 evolution using visible light. By alternating the substitution position of the electron-withdrawing benzothiadizole unit on the phenyl unit as a comonomer, various polymers with either one-or threedimensional structures were synthesized and the effect of the molecular structure on their catalytic activity was investigated. Photocatalytic H-2 evolution efficiencies up to 116 mu mol h(-1) were observed by employing the linear polymer based on a phenyl-benzothiadiazole alternating main chain, with an apparent quantum yield (AQY) of 4.01% at 420 nm using triethanolamine as the sacrificial agent.
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Source :
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN: 1433-7851
Year: 2016
Issue: 32
Volume: 55
Page: 9202-9206
1 1 . 9 9 4
JCR@2016
1 6 . 1 0 0
JCR@2023
ESI Discipline: CHEMISTRY;
ESI HC Threshold:235
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 343
SCOPUS Cited Count: 351
ESI Highly Cited Papers on the List: 37 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: