rGO/TiO<sub>2</sub>双壳空心球纳米材料的制备及光催化性能

doi:10.11894/iwt.2018-1125

工业水处理 ›› 2019, Vol. 39 ›› Issue (9): 49-53. doi: 10.11894/iwt.2018-1125

rGO/TiO₂双壳空心球纳米材料的制备及光催化性能

李玉鉴^1,2, 李红艳^1,2, 崔建国^1,2, 张峰^1,2, 王芳³, 李尚明⁴

1. 太原理工大学环境科学与工程学院, 山西太原 030024;
2. 山西省市政工程研究生教育创新中心, 山西晋中 030600;
3. 山西省生物研究所食用菌研究中心, 山西太原 030006;
4. 太原理工大学材料科学与工程学院, 山西太原 030024

收稿日期:2019-07-18 出版日期:2019-09-20 发布日期:2019-10-09
作者简介:李玉鉴(1994-),硕士。电话:18334706636,E-mail:lyjlizy@163.com。
基金资助:
山西省重点研发计划项目（社会发展领域）（201803D31046）；山西省研究生联合培养基地人才培养项目（2018JD19）；山西省重点研发计划项目（农业领域）（201703D211013）

Preparation and photocatalytic activity of rGO/TiO₂ double-shell hollow sphere nanocomposites

Li Yujian^1,2, Li Hongyan^1,2, Cui Jianguo^1,2, Zhang Feng^1,2, Wang Fang³, Li Shangming⁴

1. College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China;
2. Innovation Center for Postgraduate Education in Municipal Engineering of Shanxi Province, Jinzhong 030600, China;
3. Research Center for Edible Fungi, Biological Institute of Shanxi Province, Taiyuan 030006, China;
4. College of material Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Received:2019-07-18 Online:2019-09-20 Published:2019-10-09

摘要/Abstract

摘要： 以钛酸四丁酯（TBOT）为前驱体、SiO₂为模板，采用溶胶-凝胶法制备了还原氧化石墨烯/二氧化钛双壳空心球纳米复合材料（rGO/TiO₂HS）并通过SEM、XRD、FT-IR对其进行表征。rGO/TiO₂HS纳米复合材料因为rGO与TiO₂的协同作用和独特的双层壳空心球结构，可以抑制光生电子-空穴对的复合、增加比表面积以及提高光利用率，增强了其在紫外光照射下对甲基橙废水的光催化性能，而且具有较好的稳定性。

关键词: 还原氧化石墨烯, TiO₂, 双壳空心球, 复合光催化剂, 染料废水

Abstract: A novel reduced graphene oxide/titanium dioxide double-shell hollow sphere nanocomposite(rGO/TiO₂HS) was prepared by sol-gel method using SiO₂ as template. The prepared sample was characterized by SEM,XRD,FT-IR. Combined with the synergistic effect of rGO and TiO₂ and the unique structure,rGO/TiO₂HS nanocomposites can inhibit the photo-generated electron-hole pair recombination,increase the specific surface area,and improve the light utilization efficiency. Consequently,its photocatalytic activity of methyl orange wastewater under UV light irradiation was enhanced. In addition,rGO/TiO₂HS proved to have good stability.

Key words: reduced graphene oxide, TiO₂, double-shell hollow spheres, composite photocatalyst, dye wastewater

中图分类号:

X703.1

李玉鉴, 李红艳, 崔建国, 张峰, 王芳, 李尚明. rGO/TiO₂双壳空心球纳米材料的制备及光催化性能[J]. 工业水处理, 2019, 39(9): 49-53.

Li Yujian, Li Hongyan, Cui Jianguo, Zhang Feng, Wang Fang, Li Shangming. Preparation and photocatalytic activity of rGO/TiO₂ double-shell hollow sphere nanocomposites[J]. Industrial Water Treatment, 2019, 39(9): 49-53.

https://www.iwt.cn/CN/Y2019/V39/I9/49

参考文献

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rGO/TiO₂双壳空心球纳米材料的制备及光催化性能

Preparation and photocatalytic activity of rGO/TiO₂ double-shell hollow sphere nanocomposites