Comparision of Silica Anti-Reflective Films Obtained via a Sol-Gel Process in the Presence of PEG or PVP
Tian, H; Zhang, L; Xu, Y; Wu, D; Wu, ZH; Lu, HB; Yuan, XD; Wu ZH(吴忠华)
刊名ACTA PHYSICO-CHIMICA SINICA
2012
卷号28期号:5页码:1197-1205
关键词Laser-induced damage threshold Anti-reflection Optical film Surface fractal
学科分类Chemistry
DOI10.3866/PKU.WHXB201202231
英文摘要The different effects of poly(ethylene glycol) (PEG) and poly(vinylpyrrolidone) (PVP) on the structure and laser-induced damage threshold (LIDT) of sol-gel silica anti-reflective films were investigated. The results of dynamic light-scattering, transmission electron microscopy (TEM), and small-angle X-ray scattering (SAXS) showed that PEG could prompt silica particles to form uniform clusters, whereas in the PVP-modified sol, the growth of silica particles was restricted. This was a result of the strong hydrogen bonds between Si - OH groups and PVP molecules Multi-fractal spectrum (MFS) analysis suggested that PEG improved the uniformity of the silica film but PVP reduced it, therefore the laser-damage resistance of the PEG-modified silica film was enhanced, but that of the PVP-modified silica film was weakened. Si-29 magic-angle spinning nuclear magnetic responance (MAS NMR) showed that PEG improved the condensation of Si - O tetrahedron, but PVP did not. This led to differences between the laser-damage resistances of PEG-modified silica films and PVP-modified silica films.
收录类别SCI
WOS记录号WOS:000304575400027
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224115
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Tian, H,Zhang, L,Xu, Y,et al. Comparision of Silica Anti-Reflective Films Obtained via a Sol-Gel Process in the Presence of PEG or PVP[J]. ACTA PHYSICO-CHIMICA SINICA,2012,28(5):1197-1205.
APA Tian, H.,Zhang, L.,Xu, Y.,Wu, D.,Wu, ZH.,...&吴忠华.(2012).Comparision of Silica Anti-Reflective Films Obtained via a Sol-Gel Process in the Presence of PEG or PVP.ACTA PHYSICO-CHIMICA SINICA,28(5),1197-1205.
MLA Tian, H,et al."Comparision of Silica Anti-Reflective Films Obtained via a Sol-Gel Process in the Presence of PEG or PVP".ACTA PHYSICO-CHIMICA SINICA 28.5(2012):1197-1205.
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