Enhanced Photocatalytic Performance of Donor-Acceptor-Type Polymers Based on a Thiophene-Contained Polycyclic Aromatic Unit

被引：53
|
作者：
Wang, Jin-long [1 ]
Ouyang, Guangcheng [2 ]
Wang, Dewei [2 ]
Li, Jia [3 ]
Yao, Jianhua [3 ]
Li, Wei-Shi [4 ]
Li, Hongxiang [1 ,5 ,6 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Organ Chem, CAS Key Lab Synthet & Self Assembly Chem Organ Fu, Shanghai 200030, Peoples R China
[2] Univ Chinese Acad Sci, Chinese Acad Sci, Shanghai Inst Organ Chem, CAS Key Lab Synthet & Self Assembly Chem Organ Fu, Shanghai 200030, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Organ Chem, CAS Key Lab Energy Regulat Mat, Shanghai 200030, Peoples R China
[4] Chinese Acad Sci, Ctr Excellence Mol Synth, Shanghai Inst Organ Chem, CAS Key Lab Synthet & Self Assembly Chem Organ Fu, Shanghai 200030, Peoples R China
[5] East China Univ Sci & Technol, Sch Chem & Mol Engn, Key Lab Adv Mat, Shanghai 200237, Peoples R China
[6] East China Univ Sci & Technol, Sch Chem & Mol Engn, Inst Fine Chem, Shanghai 200237, Peoples R China
来源：
MACROMOLECULES | 2021年 / 54卷 / 06期
基金：
中国国家自然科学基金;
关键词：
33;
D O I：
10.1021/acs.macromol.1c00316
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Donor-acceptor (D-A)-type photocatalysts containing the polycyclic aromatic donor (BTT-CPP) and non-polycyclic aromatic donor ( TTB-CPP) are designed and synthesized. Their physicochemical properties are thoroughly investigated. The photocatalytic hydrogen generation experiments show that both polymers exhibit distinct photocatalytic performance. BTT-CPP displays an attractive hydrogen evolution rate (HER) of 37,866 mu mol g(-1) h(-1) without further addition of the metal co-catalyst, one of the highest values reported for organic photocatalysts. The optimal HER of TTB-CPP is 8466 mu mol g(-1) h(-1). These results highlight the important role of the donor unit on the performance of D-A-type photocatalysts and demonstrate that thiophene-contained polycyclic aromatic unit BTT is an excellent donor unit for high HER photocatalysts.
引用
收藏
页码：2661 / 2666
页数：6
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