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Improved performance of Mg–Y alloy thin film switchable mirrors after coating with a superhydrophobic surface
La, Mao1,2; Zhou, Huaijuan2; Li, Ning2; Xin, Yunchuan2; Sha, Ren1; Bao, Shanhu2; Jin, Ping2
2017
发表期刊Applied Surface Science
ISSN01694332
卷号403页码:23-28
摘要The magnesium based switchable mirrors can reversibly change their optical properties between the transparent and the reflective state as a result of hydrogenation and dehydrogenation. These films can potentially be applied as new energy-saving windows, by controlling the transmittance of solar radiation through the regulation of their reflective state. In this study, magnesium–yttrium (Mg–Y) alloy thin films were prepared using a DC magnetron sputtering method. However, the luminous transmittance in the transparent state and the switching durability of switchable mirrors are too poor to satisfy practical demands. In order to improve the films switching durability, luminous transmittance and the surface functionalization, polytetrafluoroethylene (PTFE) was coated with thermal vacuum deposition for use as the top layer of Mg–Y/Pd switchable mirrors. The PTFE layer had a porous network structure and exhibited a superhydrophobic surface with a water contact angle of approximately 152°. By characterization, PTFE thin films shows the excellent protection role against the oxidization of Mg, the switching durability of the films were improved 3 times, and also shows the antireflection role the luminous transmission of films was enhanced by 7% through the top covered with PTFE. © 2017 Elsevier B.V.
DOI10.1016/j.apsusc.2017.01.106
EI入藏号20170403275736
EI主题词Thin films
EI分类号525.2 Energy Conservation - 549.2 Alkaline Earth Metals - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 741.1 Light/Optics - 741.3 Optical Devices and Systems - 815.1.1 Organic Polymers - 931.2 Physical Properties of Gases, Liquids and Solids
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25815
专题中国科学院上海硅酸盐研究所
作者单位1.Department of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot; Inner Mongolia; 010020, China;
2.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
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La, Mao,Zhou, Huaijuan,Li, Ning,等. Improved performance of Mg–Y alloy thin film switchable mirrors after coating with a superhydrophobic surface[J]. Applied Surface Science,2017,403:23-28.
APA La, Mao.,Zhou, Huaijuan.,Li, Ning.,Xin, Yunchuan.,Sha, Ren.,...&Jin, Ping.(2017).Improved performance of Mg–Y alloy thin film switchable mirrors after coating with a superhydrophobic surface.Applied Surface Science,403,23-28.
MLA La, Mao,et al."Improved performance of Mg–Y alloy thin film switchable mirrors after coating with a superhydrophobic surface".Applied Surface Science 403(2017):23-28.
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