Piezo-Photocatalytic Synergy in BiFeO3@COF Z-Scheme Heterostructures for High-Efficiency Overall Water Splitting

被引：215

作者：

Xu, Mei-Ling ^{[1
,2
]}

Lu, Meng ^{[3
]}

Qin, Guan-Ying ^{[1
]}

Wu, Xiu-Mei ^{[1
]}

Yu, Ting ^{[1
]}

Zhang, Li-Na ^{[2
]}

Li, Kui ^{[1
]}

Cheng, Xin ^{[2
]}

Lan, Ya-Qian ^{[3
]}

机构：

[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China

[2] Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bld, Jinan 250022, Peoples R China

[3] South China Normal Univ, Sch Chem, Guangzhou 510006, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2022年 / 61卷 / 44期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Covalent Organic Framework; Heterostructure; Overall Water Splitting; Photocatalysis; Piezocatalysis; NANOSHEETS; SEMICONDUCTORS; PROMOTE; SURFACE; G-C3N4; H-2;

D O I：

10.1002/anie.202210700

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Solar-driven overall water splitting is an ideal way to generate renewable energy while still challenging. For the first time, this work combined covalent organic frameworks (COFs) and piezoelectric material by covalent linkages to form Z-scheme core@shell heterostructure for overall water splitting. Benefiting from the synergistic effect between the polarized electric field and photo-generated charges, as well as the precise adjustment of shell thickness, the carrier separation and utilization efficiency is greatly improved. The optimal BiFeO3@TpPa-1-COF photocatalyst revealed hydrogen (H-2) and oxygen (O-2) production rates of 1416.4 and 708.2 mu mol h(-1) g(-1) under the excitation of ultrasonication coupled with light irradiation, which is the best performance among various piezo- and COF-based photocatalysts. This provides a new sight for the practical application of highly efficient photocatalytic overall water splitting.

引用

页数：9

共 72 条

[1]

[Anonymous], 2021, ANGEW CHEM, V133, P25585

[2]

[Anonymous], 2020, ANGEW CHEM, V132, P6063

[3]

[Anonymous], 2021, ANGEW CHEM, V133, P16155

[4]

[Anonymous], 2019, ANGEW CHEM, V131, P15220

[5]

[Anonymous], 2016, ANGEW CHEM, V128, P11684

[6]

[Anonymous], 2019, ANGEW CHEM, V131, P11905

[7] Fast Photoelectron Transfer in (Cring)-C3N4 Plane Heterostructural Nanosheets for Overall Water Splitting [J].

Che, Wei ;

Cheng, Weiren ;

Yao, Tao ;

Tang, Fumin ;

Liu, Wei ;

Su, Hui ;

Huang, Yuanyuan ;

Liu, Qinghua ;

Liu, Jinkun ;

Hu, Fengchun ;

Pan, Zhiyun ;

Sun, Zhihu ;

Wei, Shiqiang .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2017, 139 (08) :3021-3026

[8] Particulate photocatalysts for overall water splitting [J].

Chen, Shanshan ;

Takata, Tsuyoshi ;

Domen, Kazunari .

NATURE REVIEWS MATERIALS, 2017, 2 (10)

[9] Efficient Photocatalytic Overall Water Splitting Induced by the Giant Internal Electric Field of a g-C3N4/rGO/PDIP Z-Scheme Heterojunction [J].

Chen, Xianjie ;

Wang, Jun ;

Chai, Yongqiang ;

Zhang, Zijian ;

Zhu, Yongfa .

ADVANCED MATERIALS, 2021, 33 (07)

[10] Three-dimensional porous g-C3N4 for highly efficient photocatalytic overall water splitting [J].

Chen, Xianjie ;

Shi, Run ;

Chen, Qian ;

Zhang, Zijian ;

Jiang, Wenjun ;

Zhu, Yongfa ;

Zhang, Tierui .

NANO ENERGY, 2019, 59 :644-650

← 1 2 3 4 5 6 7 8 →