光催化
电气石
扫描电子显微镜
罗丹明B
化学
拉曼光谱
光致发光
化学工程
降级(电信)
涂层
催化作用
材料科学
复合材料
冶金
光电子学
光学
物理
工程类
有机化学
电信
生物化学
计算机科学
作者
Junsheng Li,Jialun Xu,Meiyan Xu,Tianyu Guan,Zhi Xia,Liming Jiang,Chong Tan,Jinlong Zuo
标识
DOI:10.1016/j.arabjc.2022.104436
摘要
ZnTiO3/tourmaline loaded on the nickel foam (ZnTiO3/tourmaline/Ni-foam) is prepared by a facile coating method. Morphology and structure of the photocatalyst were characterized by X-ray diffraction (XRD), scanning electrons microscopy (SEM), raman spectroscopy, UV–vis diffuse reflectance spectrum (UV–vis DRS) and photoluminescence spectroscopy (PL). The photocatalytic properties of the materials were tested by using the Rhodamine B (RhB) solution as the target pollutant. The results indicates that the ZnTiO3/tourmaline/Ni foam exhibited higher photocatalytic activity than that of ZnTiO3 and ZnTiO3/Ni foam under ultraviolet (UV) light irradiation, and its degradation rate was up to 99.2%. Moreover, the degradation rate remained at 91.3% after eight consecutive photocatalytic reaction cycles. The outstanding photocatalytic performances of ZnTiO3/tourmaline/Ni foam was mainly attributed to the existence of tourmaline, which can help to inhibit the recombination of electron-hole paris, and the proper pore structure of the carrier. Meanwhile, the trapping experiments indicated that ·O2– was the main active species in the photocatalytic degradation of RhB.
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