可见光谱
热液循环
材料科学
异质结
化学工程
双酚A
复合数
电极
纳米技术
光电子学
化学
复合材料
工程类
物理化学
环氧树脂
作者
Weihua Fei,Jie Gao,Najun Li,Dongyun Chen,Qingfeng Xu,Hua Li,Jinghui He,Jianmei Lu
标识
DOI:10.1016/j.jhazmat.2020.123515
摘要
Light and electricity are the most prevalent energy sources in natural environment. Herein, a visible-light active Ni [email protected]/Co3O4 composite was successfully prepared by loading 1D Co3O4 nanowires on the surface of 2D NiFe-LDH nanosheets to be a p-n heterojunction supported on the 3D Ni foam through hydrothermal method, which can be used as photoanode directly for photoelectrocatalytic (PEC) process to simultaneously remove bisphenol (BPA) and Cr(VI) from water. This unique Ni foam-based photoanode modified by NiFe-LDH/Co3O4 heterojunction can fully expose the active sites, enhance visible-light absorption and facilitate the migration and separation of photogenerated carriers, thus obtained a boosted efficiency for simultaneous removal of BPA and Cr(VI) under a low applied voltage. Furthermore, the convenient recyclability and excellent stability of the as-prepared Ni [email protected]/Co3O4 also show a great potential in environmental purification.
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