光催化
纳米复合材料
催化作用
可见光谱
拉曼光谱
光降解
矿化(土壤科学)
核化学
阿特拉津
高分辨率透射电子显微镜
材料科学
降级(电信)
化学
化学工程
光化学
纳米技术
杀虫剂
有机化学
电信
工程类
计算机科学
生物
农学
物理
光电子学
透射电子显微镜
氮气
光学
作者
Amir Hossein Cheshme Khavar,Gholamreza Moussavi,Ali Reza Mahjoub,Mohammad Satari,Parviz Abdolmaleki
标识
DOI:10.1016/j.cej.2018.03.095
摘要
The visible-light activated In,S-TiO2@rGO nanocomposite was prepared using an innovative ultrasonic-assisted solvothermal method. The products were characterized by XRD, FT-IR, Raman, SEM, HRTEM, TGA and UV–Vis DRS. A considerable red shift in absorption edge of TiO2 was observed after co-doping with In and S. Co-doping of TiO2 with In and S elements and compositing with rGO significantly enhanced its visible-light photocatalytic activity. The complete degradation and 95.5% mineralization of 20 mg/L atrazine (ATZ) was attained at 3.0 mol% of In, 1 mol% of S and 5 wt% of rGO within 20 min. Reaction with OH at the surface of catalyst was the main mechanism contributed in degradation of ATZ in the developed photocatalytic process. As-made In,S co-doped TiO2@rGO nanocomposite could preserve its catalytic activity during four consecutive recycles for the ATZ removal process. The cytotoxicity of fresh and photocatalytic-treated ATZ solutions assessed using the human hepatic cells (HepG2) indicated that ATZ solution in the developed PCO process could be considerably detoxified.
科研通智能强力驱动
Strongly Powered by AbleSci AI