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基于氧化亚铜光电极的制备及其光电化学性能的研究进展

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成果类型:
期刊论文
论文标题(英文):
Research progress of fabrication and photoelectrochemical properties based on Cu<inf>2</inf>O photoelectrodes
作者:
付星晨;颜德健;刘冀锴
通讯作者:
Liu, Jikai(jikailiu@xtu.edu.cn)
作者机构:
[付星晨; 颜德健; 刘冀锴] School of Chemical Engineering, Xiangtan University, Xiangtan, Hunan, 411105, China
语种:
中文
关键词:
氧化亚铜;光电极;光电化学;改性;太阳能
关键词(英文):
Chemical-bath deposition - Cuprous oxide - Future research directions - Modification - Performance and applications - Photoelectrochemical properties - Photoelectrochemicals - Photoelectrode
期刊:
化工进展
期刊(英文):
Chemical Industry and Engineering Progress
ISSN:
1000-6613
年:
2018
卷:
37
期:
1
页码:
140-148
文献类别:
EI:Journal article (JA)
入藏号:
EI:20183105625578
基金类别:
国家自然科学基金(21506183); 湖南省科技计划(2015JC3093); 湖南省教育厅项目(16C1538); “环境友好与资源高效利用化工新技术”湖南省高校2011协同创新中心项目;
机构署名:
本校为第一机构
院系归属:
化工学院
摘要:
氧化亚铜(Cu_2O)因具有合适的带隙、光响应好、价格低廉等优点,在光电化学(PEC)分解水和还原CO_2等领域引起广泛关注,是最重要的PEC光电极材料之一。本文回顾了近年来基于Cu_2O光电极的制备方法,如电化学法、物理沉积法、滴涂法、热氧化法、化学浴沉积法等,同时对不同的制备方法进行了比较。本文对基于其他过渡金属氧化物半导体材料来制备PEC光电极也具有一定的参考价值。另外,由于Cu_2O材料本身在电解液中易发生光腐蚀,光稳定性差,使得Cu_2O光电极在PEC上的应用受到很大限制。本文综述了表面修饰、半导体复合等改性手段来提高Cu_2O光电极的光稳定性,改善其PEC性能。最后指出Cu_2O光电极未来的研究重点在于探索新的电极制备方法、开拓新的改性手段以及多种改性手段的综合运用,从而进一步提高其PEC性能和应用前景。
摘要(英文):
As one of the most important photoelectrode materials, cuprous oxide(Cu<inf>2</inf>O)has attracted much attention in photoelectrochemical(PEC)water splitting and CO<inf>2</inf> reduction due to its advantages of suitable bandgap, well photoresponse and low cost. This review summarizes the latest progress on the preparation methods of Cu<inf>2</inf>O photoelectrodes, such as electrochemistry, PVD, dip-coating, thermal oxidation and chemical bath deposition. The summarized methods are compared in details. Notably, this review provides valuable reference to designing and constructing PEC photoelectrodes based on other transition metal oxide semiconductors. In addition, the practical application of Cu<inf>2</inf>O photoelectrodes is confined by its poor stability due to its self-photocorrosion in electrolyte solutions. This review outlines commonly used modification methods to enhance photostability and PEC performance of Cu<inf>2</inf>O photoelectrodes, including surface modification, fabrication of semiconductor composites, etc. In the end, this review points out that the future research directions of Cu<inf>2</inf>O photoelectrode should aim at exploring novel methods to fabricate Cu<inf>2</inf>O photoelectrodes, inventing novel modification methods and integrating multiple modification methods in order to further enhance the PEC performance and application prospect of Cu<inf>2</inf>O photoelectrodes.<br/> &copy;2018, Chemical Industry Press. All right reserved.

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