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Synthesis of well-dispersed TiO2@reduced graphene oxide (rGO) nanocomposites and their photocatalytic properties
Sohail, Muhammad1; Xue, Haoliang1; Jiao, Qingze1,2; Li, Hansheng1; Khan, Khakemin3; Wang, Shanshan1; Zhao, Yun1
关键词Tio2 Nanoparticles Reduced Graphene Oxide Nanocomposites Photocatalysis
刊名MATERIALS RESEARCH BULLETIN
2017-06-01
DOI10.1016/j.materresbull.2017.02.025
90页:125-130
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Materials Science, Multidisciplinary
研究领域[WOS]Materials Science
关键词[WOS]TITANATE NANOTUBES ; HYDROGEN EVOLUTION ; VISIBLE-LIGHT ; EXPOSED 001 ; TIO2 ; COMPOSITES ; WATER ; NANOPARTICLES ; DEGRADATION ; BEHAVIOR
英文摘要In this work, graphene oxide (GO) nanosheets were prepared using a modified Hummers technique and as-obtained GO nanosheets were converted into particles by a spray drying method. Titanium dioxide (TiO2) nanoparticles were grown on the surface of GO particles to get TiO2@reduced graphene oxide (rGO) nanocomposites. Morphologies and structures of as-prepared pure TiO2 nanoparticles, rGO particles and their composites were characterized by scanning electron microscope, transmission electron microscope and X-ray diffractometer. The photocatalytic activities of TiO2@rGO nanocomposites were evaluated using UV-vis spectroscopy for the degradation of methylene blue. All the composites show better photocatalytic activities upon degradation of methylene blue than pure TiO2. The degradation rate of methylene blue is 92% for TiO2@rGO nanocomposites with TiO2 mass ratio of 84 wt%, while it is 71% for pure TiO2. rGO plays a key role in the charge recombination to enhance the electron hole separation. (C) 2017 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000401218400017
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152263
专题中国科学院大连化学物理研究所
作者单位1.Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China
2.Beijing Inst Technol, Sch Chem Engn & Mat Sci, Zhuhai 519085, Zhuhai, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Sohail, Muhammad,Xue, Haoliang,Jiao, Qingze,et al. Synthesis of well-dispersed TiO2@reduced graphene oxide (rGO) nanocomposites and their photocatalytic properties[J]. MATERIALS RESEARCH BULLETIN,2017,90:125-130.
APA Sohail, Muhammad.,Xue, Haoliang.,Jiao, Qingze.,Li, Hansheng.,Khan, Khakemin.,...&Zhao, Yun.(2017).Synthesis of well-dispersed TiO2@reduced graphene oxide (rGO) nanocomposites and their photocatalytic properties.MATERIALS RESEARCH BULLETIN,90,125-130.
MLA Sohail, Muhammad,et al."Synthesis of well-dispersed TiO2@reduced graphene oxide (rGO) nanocomposites and their photocatalytic properties".MATERIALS RESEARCH BULLETIN 90(2017):125-130.
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