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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
Source PublicationTHIN SOLID FILMS
Volume543Pages:157-161
AbstractThis 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.
SubtypeArticle
KeywordVo2 Thin Films Solution-based Route Annealing Temperatures Thermochromic Property W-doped Phase Transition Temperature
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/j.tsf.2012.11.154
WOS Subject ExtendedMaterials Science ; Physics
WOS KeywordCHEMICAL-VAPOR-DEPOSITION ; DOPED VANADIUM DIOXIDE ; OPTICAL-PROPERTIES ; INSULATOR-TRANSITION ; PHASE-TRANSITION ; OXIDES ; THERMOLYSIS ; NANOPOWDERS ; LAYER ; MO
Indexed BySCI ; ISTP
Language英语
WOS SubjectMaterials Science, Multidisciplinary ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000324049500036
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/9149
Collection中国科学院广州能源研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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