Triazine-free polyimide for photocatalytic hydrogen production

被引：13
作者：
Xu, Xiaoyu [1 ]
Wang, Xintie [1 ]
Shao, Jingjing [1 ]
Hong, Longfei [1 ]
Zhang, Huiyan [1 ]
Chu, Sheng [1 ]
机构：
[1] Southeast Univ, Sch Energy & Environm, Key Lab Energy Thermal Convers & Control, Minist Educ, Nanjing 210096, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 42期
基金：
中国国家自然科学基金;
关键词：
Photocatalysis; Triazine-free; Polyimide; Hydrogen production; GRAPHITIC CARBON NITRIDE; VISIBLE-LIGHT; CONJUGATED POLYMER; PERFORMANCE; EVOLUTION; DEGRADATION; GENERATION; EFFICIENCY; ENERGY; TIO2;
D O I：
10.1016/j.ijhydene.2023.01.139
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：
Polyimide (PI) has received considerable attention as a promising donor-acceptor polymer for photocatalytic hydrogen production, yet the previous studies entirely focused on the exploration of triazine-based PI. Herein, we report for the first time triazine-free PI for photocatalytic hydrogen evolution. The triazine-free PI was synthesized by thermal condensation of urea and pyromellitic dianhydride. The resultant PI photocatalyst yielded a stable hydrogen evolution activity and an appreciable photocurrent response. This work manifests that triazine is not an indispensable unit for the photocatalytic hydrogen evolution activity of PI, which expands the chemical library of PI photocatalysts and opens up new opportunities for designing efficient polymeric photocatalysts. (c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：15967 / 15974
页数：8
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