光催化
纳米纤维
材料科学
煅烧
异质结
制氢
三元运算
静电纺丝
兴奋剂
化学工程
催化作用
吸附
带隙
载流子
氢
纳米技术
光电子学
化学
物理化学
复合材料
有机化学
聚合物
程序设计语言
工程类
计算机科学
作者
Haiyan Zhang,Zi-Qian Zhu,Jing Wang,Youji Li,Xiao Lin,Ming Li,Senpei Tang,Yuan Teng,Dai‐Bin Kuang
出处
期刊:Nanomaterials
[MDPI AG]
日期:2023-01-18
卷期号:13 (3): 401-401
被引量:4
摘要
An S-doped CdO@In2O3 nanofiber was successfully designed by in-situ electrospinning along and subsequent calcination treatment. Under artificial sunlight illumination, the S/CdO@In2O3-25 displayed a superior photocatalytic hydrogen evolution rate of 4564.58 μmol·g-1·h-1, with approximately 22.0 and 1261.0-fold of those shown by the S/CdO and S/In2O3 samples, respectively. The experimental and theoretical analyses illustrate that the unique one-dimensional (1D) nanofiber morphology and rich oxygen vacancies optimized the electronic structure of the nanofibers and adsorption/desorption behaviors of reaction intermediates, contributing to the realization of the remarkable solar-to-H2 conversion efficiencies. Moreover, the staggered band structure and intimate contact heterointerfaces facilitate the formation of a type-II double charge-transfer pathway, promoting the spatial separation of photoexcited charge carriers. These results could inform the design of other advanced catalyst materials for photocatalytic reactions.
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