Ni-doped CdSe/ZnSnO3 double-shell nanocubes heterojunction for efficient photocatalytic hydrogen evolution

被引：20
作者：
Han, Yue [1 ]
Wang, Changdi [3 ]
Zhao, Ruiyang [3 ]
Han, Jishu [1 ]
Wang, Lei [1 ,2 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Key Lab Ecochem Engn, Minist Educ,Int Sci & Technol Cooperat Base Ecoche, Qingdao 266042, Peoples R China
[2] Qingdao Univ Sci & Technol, Coll Environm & Safety Engn, Shandong Engn Res Ctr Marine Environm Corros & Saf, Qingdao 266042, Peoples R China
[3] Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China
来源：
FUEL | 2023年 / 353卷
基金：
中国国家自然科学基金;
关键词：
ZnSnO3; Hollow structure; Photocatalysis; Hydrogen production; HIGHLY EFFICIENT; WATER; FABRICATION; GENERATION;
D O I：
10.1016/j.fuel.2023.129247
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In order to alleviate environmental pollution and energy crisis caused by the excessive use of fossil fuels, pho-tocatalytic water splitting to produce hydrogen as an alternative fuel has attracted widespread attention. The construction of heterojunction photocatalyst is considered to be one of the effective ways to enhance the pho-tocatalytic hydrogen production efficiency. In this study, Ni-doped CdSe was modified on the surface of hollow ZnSnO3 double-shell nanocubes. The obtained Cd0.9Ni0.1Se/ZnSnO3 possessed high photocatalytic activity under visible light irradiation. The photocatalytic hydrogen production rate could reach to 6458.0 & mu;mol/g/h. The successful construction of hollow Cd0.9Ni0.1Se/ZnSnO3 double-shell type-I heterojunction increased visible light absorption, shortened the charge transport distance, and inhibited the recombination of electron-hole pairs, thus enhancing the photocatalytic hydrogen production performance of Cd0.9Ni0.1Se/ZnSnO3. It provided the idea for promoting the design of solar to chemical energy conversion and the effective guidance for constructing a high-efficient and stable photocatalyst.
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页数：9
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