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The interfacial structure of PPV/TiO2 nanocomposite
Zhang J(张静); Wu ZY(吴自玉); Ju X(巨新); Hu TD(胡天斗); Kui RX(奎热西); Xie YN(谢亚宁); Zhang, J; Wu, ZY; Ju, X; Wang, BJ; Li, QS; Hu, TD; Ibrahim, K; Xie, YN
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat lab, Beijing 100039, Peoples R China ; Chinese Acad Sci, Ctr Phys & Chem, Beijing 100101, Peoples R China ; Beijing Inst Technol, Sch Chem Engn & Mat Sci, Beijing 100081, Peoples R China
SubtypeArticle; Proceedings Paper
AbstractThe aim of this work is to investigate the interfacial structure of poly(phenylenevinylene)(PPV)/TiO2, nanocomposite by analyzing X-ray absorption spectroscopy at the Ti K edge. The pre-edge regions of X-ray absorption near-edge structure (XANES) spectra displayed distortions of octahedral geometry (TiO6) in the surface of TiO2 nanoparticles, while the post-edge regions of XANES showed PPV could modify the surface of nano-TiO2. From analyzing extended X-ray absorption fine structure spectra of the nanoparticles and comparing them with bulk TiO2, it was found that bond length (Ti-O) and coordination number decrease in nano-TiO2, which is attributed to coordinatively unsaturated TiOx, surface species (x < 6). In PPV/TiO2 nanocomposite, PPV molecule can bond to the surface of TiO2 nanoparticles, leading the interfacial structure reconstructed. (C) 2002 Elsevier Science B.V. All rights reserved.
KeywordXAS interfacial structure poly(phenylenevinylene) TiO2 nanoparticles
Subject AreaMaterials Science; Optics
WOS Research AreaMaterials Science ; Optics
WOS SubjectMaterials Science, Multidisciplinary ; Optics
WOS IDWOS:000180023100100
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Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Zhang J,Wu ZY,Ju X,et al. The interfacial structure of PPV/TiO2 nanocomposite[J]. OPTICAL MATERIALS,2003,21(1-3):573-578.
APA 张静.,吴自玉.,巨新.,胡天斗.,奎热西.,...&Xie, YN.(2003).The interfacial structure of PPV/TiO2 nanocomposite.OPTICAL MATERIALS,21(1-3),573-578.
MLA 张静,et al."The interfacial structure of PPV/TiO2 nanocomposite".OPTICAL MATERIALS 21.1-3(2003):573-578.
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