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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
Source PublicationApplied Surface Science
ISSN01694332
Volume403Pages:23-28
AbstractThe 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 Accession Number20170403275736
EI KeywordsThin films
EI Classification Number525.2 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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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25815
Collection中国科学院上海硅酸盐研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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