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A cost-effective process to prepare VO2 (M) powder and films with superior thermochromic properties
Xiao, Xiudi1; Zhang, Hua1; Chai, Guanqi1; Sun, Yaoming1; Yang, Tao2; Cheng, Haoliang1; Chen, Lihua1; Miao, Lei1; Xu, Gang1
2014-03-01
Source PublicationMATERIALS RESEARCH BULLETIN
Volume51Pages:6-12
AbstractVO2 powder with superior phase transition performance was prepared by convenient thermolysis method. The results illustrated that VO2 powder show high purity and crystallinity. VO2 particles are transformed from cluster to quasi-sphere with the increase of annealing temperature. The DSC analysis proves that VO2 show superior phase transition performance around 68 degrees C. The phase transition temperature can be reduced to 33.5 degrees C by 1.8 at% tungsten doping. The maximum decreasing efficiency of phase transition temperature is about -30 K/at% with w = 0.4 at%. After mixing VO2 powder with acrylic resin, the maximal visible transmission of the composite thin films on glass is 48% and the transmission modulation at 2000 nm is 37.3% with phase transition temperature of 66.2 degrees C. Though the phase transition performance is weakened by tungsten doping, the film prepared by 1.3 at% tungsten doped VO2 still show superior transmission modulation about 26.4% at 2000 nm, which means that it is a potential candidate as smart windows. (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordOptical Materials Optical Properties Phase Transitions
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.materresbull.2013.11.051
WOS Subject ExtendedMaterials Science
WOS KeywordMETAL-SEMICONDUCTOR TRANSITION ; VANADIUM DIOXIDE ; THIN-FILMS ; PHASE-TRANSITION ; ELECTRICAL-PROPERTIES ; STOICHIOMETRY ; TEMPERATURE ; NANOPOWDERS ; DEPOSITION ; REDUCTION
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000332437200002
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10660
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrates, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Xiudi,Zhang, Hua,Chai, Guanqi,et al. A cost-effective process to prepare VO2 (M) powder and films with superior thermochromic properties[J]. MATERIALS RESEARCH BULLETIN,2014,51:6-12.
APA Xiao, Xiudi.,Zhang, Hua.,Chai, Guanqi.,Sun, Yaoming.,Yang, Tao.,...&Xu, Gang.(2014).A cost-effective process to prepare VO2 (M) powder and films with superior thermochromic properties.MATERIALS RESEARCH BULLETIN,51,6-12.
MLA Xiao, Xiudi,et al."A cost-effective process to prepare VO2 (M) powder and films with superior thermochromic properties".MATERIALS RESEARCH BULLETIN 51(2014):6-12.
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