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A low cost preparation of VO2 thin films with improved thermochromic properties from a solution-based process
Zhao, Lili1,2; Miao, Lei1; Tanemura, Sakae1,3,4; Zhou, Jianhua1; Chen, Lihua1; Xiao, Xiudi1; Xu, Gang1
2013-09-30
发表期刊THIN SOLID FILMS
卷号543页码:157-161
摘要This paper describes a solution-based route to synthesize vanadium dioxide (VO2) thermochromic thin films on glass substrate by spin-coating technology followed by nitrogen-annealing with vanadiumpentoxide (V2O5) and oxalic acid (H2C2O4) as source material, which is fairly economical and practical. Surface morphologies indicate that the films obtained by this method are homogeneous and particulate, irregular prisms emerge as the annealing temperatures increase. X-ray diffractions show that films annealed at relatively low temperature are pure monoclinic phase with a preferred orientation of (011). NaV4O7 and NaV6O15 form along with raising the heating temperatures. VO2 films obtained exhibit excellent visible transparency and switching property at near-infrared wavelengths across the metal-semiconductor transition. Transmittance change at lambda = 2000 nm of VO2 thin film annealed at 450 degrees C attains as high as 41.5% and its solar modulation efficiency reaches up to 8.8%. The W-doped VO2 film at a doping level of 1 at.% exhibits a thermochromic switch at 37 degrees C with a narrow hysteresis, which will greatly favor the practical application of VO2-based smart windows. (c) 2013 Elsevier B.V. All rights reserved.
文章类型Article
关键词Vo2 Thin Films Solution-based Route Annealing Temperatures Thermochromic Property W-doped Phase Transition Temperature
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1016/j.tsf.2012.11.154
研究领域[WOS]Materials Science ; Physics
关键词[WOS]CHEMICAL-VAPOR-DEPOSITION ; DOPED VANADIUM DIOXIDE ; OPTICAL-PROPERTIES ; INSULATOR-TRANSITION ; PHASE-TRANSITION ; OXIDES ; THERMOLYSIS ; NANOPOWDERS ; LAYER ; MO
收录类别SCI ; ISTP
语种英语
WOS类目Materials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000324049500036
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/9149
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Nagoya Inst Technol, Powder Technol PJ Lab, Showa Ku, Nagoya, Aichi 4668555, Japan
4.Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4568587, Japan
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Zhao, Lili,Miao, Lei,Tanemura, Sakae,et al. A low cost preparation of VO2 thin films with improved thermochromic properties from a solution-based process[J]. THIN SOLID FILMS,2013,543:157-161.
APA Zhao, Lili.,Miao, Lei.,Tanemura, Sakae.,Zhou, Jianhua.,Chen, Lihua.,...&Xu, Gang.(2013).A low cost preparation of VO2 thin films with improved thermochromic properties from a solution-based process.THIN SOLID FILMS,543,157-161.
MLA Zhao, Lili,et al."A low cost preparation of VO2 thin films with improved thermochromic properties from a solution-based process".THIN SOLID FILMS 543(2013):157-161.
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