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题名: Additive-Free Synthesis of In2O3 Cubes Embedded into Graphene Sheets and Their Enhanced NO2 Sensing Performance at Room Ternperature
作者: Yang, Wei1, 2;  Wan, Peng3;  Zhou, Xiaodong2;  Hu, Jiming2;  Guan, Yafeng1;  Feng, Liang1
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2014-12-20
DOI: 10.1021/am505949a
卷: 6, 期:23, 页:21093-21100
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Science & Technology - Other Topics ;  Materials Science
英文摘要: In this report, we developed an additive-free synthesis of In2O3 cubes embedded into graphene networks with InN nanowires (InN-NWs) and graphene oxide (GO) as precursors by a facile one-step microwave-assisted hydrothermal method. In absence of GO, the InN-NWs maintained their chemical composition and original morphology upon the same treatment. At varying mass ratios of InN-NWs and GO, the different morphologies and distributions of In2O3 could be obtained on graphene sheets. The uniform distribution, which is usually considered favorable for enhanced sensing performance, was observed in In2O3 cubes/reduced graphene oxide (rGO) composites. The room-temperature NO2 sensing properties of the In2O3 cubes/rGO composites-based sensor were systematically investigated. The results revealed that the sensor exhibited a significant response to NO2 gas with a concentration lower to 1 ppm, and an excellent selectivity, even though the concentrations of interferential gases were 1000 times that of NO2. The enhanced NO2 sensing performances were attributed to the synergistic effect of uniformly distributed In2O3 cubes and graphene sheets in the unique hybrid architectures without the interfering of extra additives.
关键词[WOS]: CHEMICALLY-MODIFIED GRAPHENE ;  GAS SENSOR ;  INDIUM OXIDE ;  REDUCTION ;  TEMPERATURE ;  ROUTE ;  NANOCOMPOSITES ;  ARCHITECTURES ;  MICROSPHERES ;  NANOSHEETS
语种: 英语
WOS记录号: WOS:000346326600064
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145679
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Wuhan Univ, Coll Chem & Mol Sci, Minist Educ, Key Lab Analyt Chem Biol & Med, Wuhan 430072, Peoples R China
3.Dalian Univ Technol, Fac Chem Environm & Biol Sci & Technol, Dalian 116024, Peoples R China

Recommended Citation:
Yang, Wei,Wan, Peng,Zhou, Xiaodong,et al. Additive-Free Synthesis of In2O3 Cubes Embedded into Graphene Sheets and Their Enhanced NO2 Sensing Performance at Room Ternperature[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(23):21093-21100.
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