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材料工程  2018, Vol. 46 Issue (8): 43-50    DOI: 10.11868/j.issn.1001-4381.2017.000022
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
诱导助剂对石墨烯负载的TiO2颗粒分布、结构和光催化活性的影响
周铁路, 刘会娥, 陈爽, 丁传芹, 齐选良
中国石油大学(华东) 重质油国家重点实验室, 山东 青岛 266580
Effect of Inducing Agents on Particles Distribution, Structure and Photocatalytic Performance of TiO2 Embedded on Reduced Graphene Oxide
ZHOU Tie-lu, LIU Hui-e, CHEN Shuang, DING Chuan-qin, QI Xuan-liang
State Key Laboratory of Heavy Oil Processing, China University of Petroleum(East of China), Qingdao 266580, Shandong, China
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摘要 采用一步水热法原位诱导合成TiO2/石墨烯复合催化剂,通过X射线衍射(XRD),傅里叶变换红外光谱(FT-IR),扫描电镜(SEM),透射电镜(TEM),拉曼光谱(Raman),紫外可见吸收光谱(UV-Vis)表征复合催化剂的晶体结构、官能团强弱、微观形貌和光学特性。以葡萄糖(glucose)、十二烷基硫酸钠(SDS)、聚乙烯吡咯烷酮(PVP)为诱导助剂,研究其对复合催化剂形貌和光催化降解甲基橙(MO)活性的影响。结果表明:以葡萄糖和十二烷基硫酸钠为诱导助剂合成的复合催化剂活性最高,紫外光照射30min,MO降解率可达92%,而商用P25降解率达到90%需要120min,同时以聚乙烯吡咯烷酮为诱导助剂合成的复合催化剂和TiO2/石墨烯自组装形成的复合材料光催化活性差别不大。
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周铁路
刘会娥
陈爽
丁传芹
齐选良
关键词 诱导助剂光催化TiO2石墨烯复合材料    
Abstract:The TiO2/reduced graphene oxide composite, synthesized by a facile one-pot hydrothermal method, was characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), Raman spectrum, and ultraviolet-visible (UV-Vis) spectroscopy to observe the crystal structure, intensity of functional group, microstructure and optical property. The composite material was synthesized by using glucose, sodium dodecyl sulfate (SDS), polyvinylpyrrolidone (PVP) as inducing agents, respectively. The structure and photocatalytic activity for degradation of methyl orange (MO) of the composite were investigated. The results reveal that the composite induced by glucose and SDS shows the highest activity, whose degradation rate can be up to 92% in 30min. However, 120 minutes is necessary for the commercial P25 to remove 90% methyl orange (MO). Compared with the composite prepared by self-assembly with no inducing agent, there are no obvious difference existing in the one induced by polyvinylpyrrolidone (PVP) in terms of photocatalytic reactivity.
Key wordsinducing agent    photocatalysis    TiO2    graphene    composite material
收稿日期: 2017-01-03      出版日期: 2018-08-17
中图分类号:  O643  
通讯作者: 刘会娥(1972-),女,教授,博士,研究方向为碳纳米材料制备及其在水处理中的应用研究,联系地址:山东省青岛市黄岛区长江西路66号中国石油大学(华东)化学工程学院(266580),E-mail:liuhuie@upc.edu.cn     E-mail: liuhuie@upc.edu.cn
引用本文:   
周铁路, 刘会娥, 陈爽, 丁传芹, 齐选良. 诱导助剂对石墨烯负载的TiO2颗粒分布、结构和光催化活性的影响[J]. 材料工程, 2018, 46(8): 43-50.
ZHOU Tie-lu, LIU Hui-e, CHEN Shuang, DING Chuan-qin, QI Xuan-liang. Effect of Inducing Agents on Particles Distribution, Structure and Photocatalytic Performance of TiO2 Embedded on Reduced Graphene Oxide. Journal of Materials Engineering, 2018, 46(8): 43-50.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.000022      或      http://jme.biam.ac.cn/CN/Y2018/V46/I8/43
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