Enhancing visible light absorption for efficient CO2 reduction with black carbon nitride hollow microspheres

被引：0
作者：
Wang, Guohuan [1 ]
Hu, Longda [2 ]
Jiang, Zhiqiang [1 ,2 ]
机构：
[1] Ningbo Univ Technol, Sch Mat Sci & Chem Engn, 201 Fenghua Rd, Ningbo 315211, Peoples R China
[2] Tianjin Univ, Zhejiang Inst, 85 Zhongguan West Rd, Ningbo 315211, Peoples R China
来源：
NEW JOURNAL OF CHEMISTRY | 2023年 / 47卷 / 37期
基金：
中国国家自然科学基金;
关键词：
GRAPHENE; DEGRADATION; NANOSHEETS; OXIDATION;
D O I：
10.1039/d3nj02817h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Pristine carbon nitride (PCN) suffers from poor absorption of light above 460 nm and rapid recombination of photo-induced charge carriers. We report a unique type of black carbon nitride hollow microspheres (3D-BCN) with nitrogen defects, which have larger specific surface area (106.3 m(2) g(-1)vs. 6.5 m(2) g(-1)) and stronger solar absorption (200-1000 nm), narrower bandgap (1.63 eV), slower recombination of excitons, higher photo-generated current (1063 nA vs. 218 nA) and more efficient CO2 reduction to CO (6.8 times as compared to PCN).
引用
收藏
页码：17212 / 17215
页数：4
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