Engineering Bi2S3/BiOI p-n heterojunction to sensitize TiO2 nanotube arrays photoelectrodes for highly efficient solar cells and photocatalysts
Engineering Bi2S3/BiOI p-n heterojunction to sensitize TiO2 nanotube arrays photoelectrodes for highly efficient solar cells and photocatalysts
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DOI：
10.1016/j.ceramint.2018.11.075
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发表时间：
2019-02
影响因子：
5.2
通讯作者：
Qingyao Wang;Zhiyuan Liu;Haoqiang Feng;Rencheng Jin;Shaohua Zhang;Shanmin Gao
中科院分区：
文献类型：
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作者：
Qingyao Wang;Zhiyuan Liu;Haoqiang Feng;Rencheng Jin;Shaohua Zhang;Shanmin Gao
To significantly improve the solar harvesting and electron transportation, Bi2S3/BiOI p-n heterojunctions were successfully formed on the surface of TiO2nanotube arrays (TiO2NTs/Bi2S3-BiOI) by a simple solvothermal method, and the morphology, composition and photoelectrochemical property of the TiO2NTs/Bi2S3-BiOI were investigated by adjusting the concentration ratio of sulphur/iodonium. TiO2NTs/Bi2S3-BiOI nanosheets and nanorods were prepared, and the self-assembled microflowers were also observed. The results indicated that flower-like TiO2NTs/Bi2S3-BiOI showed high visible light absorption, photocurrent density and rapid photoelectrocatalytic removal of organic dyes and Cr(VI). The growth and photocatalytic mechanism were proposed to illuminate the high photoelectrochemical performances. The excellent photoelectrochemical activities drive the TiO2NTs/Bi2S3/BiOI being superior environmental and energy materials in the applications of wastewater purification and solar cells.
