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Local structure of titania decorated double-walled carbon nanotube characterized by scanning transmission X-ray microscopy
Zhang, Hongbo1; Wang, Jian2; Pan, Xiulian1; Hu, Yongfeng2; Bao, Xinhe1
刊名JOURNAL OF CHEMICAL PHYSICS
2012-05-07
DOI10.1063/1.4706515
136期:17
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Atomic, Molecular & Chemical
研究领域[WOS]Physics
关键词[WOS]RESOLUTION ; OXIDATION
英文摘要Scanning transmission X-ray microscopy was demonstrated to deliver detailed local structure and chemical composition of a complicated system with titania nanoparticles dispersed inside and outside the double-walled carbon nanotube (DWNT) channels. Areas with inhomogeneous distribution of titania and the associated water were particularly investigated at the C K-edge, Ti L-edge, and O K-edge. The results show that titania nanoparticles located inside DWNTs are present as amorphous, while those unsuccessfully introduced into the channels behave more like bulk materials in forms of anatase and rutile. Strong interaction was detected between the confined titania and DWNTs, as evidenced by up to 0.6 eV energy shift at the Ti L-edge. Strong hydration was observed for the as-prepared samples. Functionalization due to reduction and oxidation between titania and carbon layer is observed upon heat-treatment. This detailed structural information of specific areas cannot be provided by other techniques such as HRTEM, XRD, and XANES. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4706515]
语种英语
WOS记录号WOS:000303935700057
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142949
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Saskatchewan, Canadian Light Source Inc, Saskatoon, SK S7N 0X4, Canada
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Zhang, Hongbo,Wang, Jian,Pan, Xiulian,et al. Local structure of titania decorated double-walled carbon nanotube characterized by scanning transmission X-ray microscopy[J]. JOURNAL OF CHEMICAL PHYSICS,2012,136(17).
APA Zhang, Hongbo,Wang, Jian,Pan, Xiulian,Hu, Yongfeng,&Bao, Xinhe.(2012).Local structure of titania decorated double-walled carbon nanotube characterized by scanning transmission X-ray microscopy.JOURNAL OF CHEMICAL PHYSICS,136(17).
MLA Zhang, Hongbo,et al."Local structure of titania decorated double-walled carbon nanotube characterized by scanning transmission X-ray microscopy".JOURNAL OF CHEMICAL PHYSICS 136.17(2012).
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