Effects of annealing on near-infrared shielding properties of Cs-doped tungsten oxide thin films deposited by electron beam evaporation

被引：23
作者：
Long, Chak Seng [1 ]
Lu, Horng-Hwa [2 ]
Lii, Ding-Fwu [3 ]
Huang, Jow-Lay [1 ,4 ]
机构：
[1] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 701, Taiwan
[2] Natl Chin Yi Univ Technol, Dept Mech Engn, Taichung 41170, Taiwan
[3] Cheng Shiu Univ, Dept Elect Engn, Kaohsiung 833, Taiwan
[4] Natl Univ Kaohsiung, Dept Chem & Mat Engn, Kaohsiung 81148, Taiwan
来源：
SURFACE & COATINGS TECHNOLOGY | 2015年 / 284卷
关键词：
Tungsten bronze; CsxWO3; Near-infrared shielding; Optical properties; OPTICAL PROPERTIES; BRONZE; ABSORPTION; CSXWO3; MICROSTRUCTURE; PARTICLES;
D O I：
10.1016/j.surfcoat.2015.06.078
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Near-infrared (NIR) shielding properties are important for solar films. In this study, CsxWO3 films prepared using electron beam evaporation were characterized using X-ray diffraction, X-ray photoelectron spectroscopy, and spectrophotometry. The effects of annealing on NIR shielding properties and film microstructure were investigated. The results show that the NIR shielding properties of CsxWO3 films can be improved by annealing at 300-450 degrees C under pure H-2 atmosphere, the amorphous thin films being transformed to crystalline films. The CsxWO3 films annealed at 450 degrees C in pure H-2 atmosphere showed high transmittance of visible light (70%) and high NIR shielding ratio (99%). (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：75 / 79
页数：5
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