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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)
2012
Source PublicationACTA PHYSICO-CHIMICA SINICA
Volume28Issue:5Pages:1197-1205
AbstractThe 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.
KeywordLaser-induced damage threshold Anti-reflection Optical film Surface fractal
Subject AreaChemistry
DOI10.3866/PKU.WHXB201202231
Indexed BySCI
WOS IDWOS:000304575400027
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224115
Collection多学科研究中心
Recommended Citation
GB/T 7714
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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