CuInS2/TiO2 heterojunction with elevated photo-electrochemical performance for cathodic protection
Liu, Juan1,2,3,4; Wang, Ning2,3,4; Zheng, Fuwei1; Wang, Chuanxing1; Wang, Jing2,3,4; Hou, Baorong2,3,4; Zhao, Qianyu2,3,4; Ning, Yanli2,3,4; Hu, Yiteng2,3,4
2022-09-20
发表期刊JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
卷号122页码:211-218
通讯作者Wang, Chuanxing(wangchxstar@163.com) ; Wang, Jing(WangJing1@qdio.ac.cn)
摘要Semiconductor quantum dots with high quantum yield and photovoltaic conversion efficiency have ushered in a brilliant moment for constructing internal electric field heterojunctions for photogenerated cathodic protection applications. In this paper, TiO2 nanotubes grown vertically on the surface of titanium substrates were modified via a combination of conventional electrochemical oxidation and a one-step solvothermal pathway to sensitize with CuInS2 quantum dots. Compared with pure TiO2 photoelectrodes, the modification improves sunlight absorption efficiency and provides photoelectron cathodic protection to the 304 stainless steel (304 SS). Through 9 h solvothermal reaction, the CuInS2/TiO2 coupled with protected 304 SS exhibited an excellent property when the simulated sunlight irradiation. Its mixed open circuit potential is negatively shifted to -0.99 V, at the mean time with a stable photocurrent density (118 mu A cm(-2)). The results indicate that CuInS2 and TiO2 established a p-n heterojunction with well-matched energy level, which can effectively facilitate the carrier separation and retain the strong redox capbility of photo-induced electrons and holes. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词CuInS2/TiO2 photoanode p-n heterojunction Cathodic protection Photoelectric conversion efficiency
DOI10.1016/j.jmst.2022.02.011
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[42106051] ; National Natural Science Foundation of China[U210 620 6] ; National Natural Science Foundation of China[U170 6225] ; National Natural Science Foundation of China[4200 6046] ; National Natural Science Foundation of China[2019YFC0312103]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000788142500003
出版者JOURNAL MATER SCI TECHNOL
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/178910
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Wang, Chuanxing; Wang, Jing
作者单位1.Qingdao Univ Sci & Technol, Coll Chem Engn, 53 Zhengzhou Rd, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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Liu, Juan,Wang, Ning,Zheng, Fuwei,et al. CuInS2/TiO2 heterojunction with elevated photo-electrochemical performance for cathodic protection[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,122:211-218.
APA Liu, Juan.,Wang, Ning.,Zheng, Fuwei.,Wang, Chuanxing.,Wang, Jing.,...&Hu, Yiteng.(2022).CuInS2/TiO2 heterojunction with elevated photo-electrochemical performance for cathodic protection.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,122,211-218.
MLA Liu, Juan,et al."CuInS2/TiO2 heterojunction with elevated photo-electrochemical performance for cathodic protection".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 122(2022):211-218.
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