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Sol-gel deposition of highly reflective multilayer coatings from PVP-ZrO2 hybrid systems
Liang, LP; Zhang, L; Xu, Y; Zhang, B; Wu, D; Sun, YH; Jiang, XD; Wei, XF; Li, ZH; Wu, ZH; Li ZH(李志宏); Wu ZH(吴忠华)
2006
发表期刊ACTA PHYSICA SINICA
卷号55期号:11页码:6175-6184
通讯作者Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China ; Taiyuan Univ Sci & Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China ; Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China ; Chinese Acad Engn Phys, Res Ctr Laser Fus, Mianyang 621900, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Natl Synchrotron Radiat Lab, Beijing 100049, Peoples R China
文章类型Article
摘要A series of ZrO2 and polyvinylpyrrolidone (PVP) doped-ZrO2 sols have been synthesized by the controlled hydrolysis and condensation of zirconium n-propoxide, with diethanolamine (DEA) as the chelating agent. PVP-ZrO2 hybrid monolayers and highly reflective (HR) multilayer coatings were then prepared by spin-coating the stable sols on K9 glass substrates. The fabrication of the HR coatings involves alternate depositions of PVP-ZrO2 (as the high-index material) and SiO2 (as the low-index material) layers. The microstructures of the sols, the structural and optical properties, as well as the laser damage resistance of the films were thoroughly characterized. By virtue of the small angle X-ray scattering (SAXS) analysis, the sol-gel processing parameters were successfully optimized, endowing the as-prepared films with good optical properties and high laser damage resistance. SAXS studies also offer the possibility to a good knowledge of the microstructure of the sols. In our hybrid system, the unhydrolyzed DEA ligands, which become anchored in the inorganic network, may considerably weaken the effects of PVP on the formation and growth of ZrO2 particles. Hence, the incorporation of a proper amount of PVP gives rise to negligible change of the sol structure and only a slight variation in refractive index and laser damage resistance of the films. However, at the slight expense of the refractive index and laser damage resistance, the incorporation of PVP can easily alleviate the stress incompatibility between different layers and facilitate the fabrication of the multilayer coatings. As the mass fraction of PVP reaches 15%-20%, a perfect match between different layers can be achieved, which ensures the successful deposition of 21-layer, nearly full-reflection coatings with the minimum transmittance of about 1.6%-2.1% (at 1064nm) and high laser damage threshold of 16.4-18.2J/cm(2) (at 1064nm, Ins pulse duration and R/1 mode).
关键词sol-gel PVP-ZrO2 highly reflective coating laser-induced damage
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000241880000101
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240063
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Liang, LP,Zhang, L,Xu, Y,et al. Sol-gel deposition of highly reflective multilayer coatings from PVP-ZrO2 hybrid systems[J]. ACTA PHYSICA SINICA,2006,55(11):6175-6184.
APA Liang, LP.,Zhang, L.,Xu, Y.,Zhang, B.,Wu, D.,...&吴忠华.(2006).Sol-gel deposition of highly reflective multilayer coatings from PVP-ZrO2 hybrid systems.ACTA PHYSICA SINICA,55(11),6175-6184.
MLA Liang, LP,et al."Sol-gel deposition of highly reflective multilayer coatings from PVP-ZrO2 hybrid systems".ACTA PHYSICA SINICA 55.11(2006):6175-6184.
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