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Solution-Processed VO2-SiO2 Composite Films with Simultaneously Enhanced Luminous Transmittance, Solar Modulation Ability and Anti-Oxidation property
Zhao, Lili1,2; Miao, Lei1; Liu, Chengyan1; Li, Chao1; Asaka, Toru3; Kang, Yipu3; Iwamoto, Yuji3; Tanemura, Sakae1,4; Gu, Hui5; Su, Huirong6
2014-11-11
Source PublicationSCIENTIFIC REPORTS
Volume4
AbstractRecently, researchers spare no efforts to fabricate desirable vanadium dioxide (VO2) film which provides simultaneously high luminous transmittance and outstanding solar modulation ability, yet progress towards the optimization of one aspect always comes at the expense of the other. Our research devotes to finding a reproducible economic solution-processed strategy for fabricating VO2-SiO2 composite films, with the aim of boosting the performance of both aspects. Compare to VO2 film, an improvement of 18.9% (from 29.6% to 48.5%) in the luminous transmittance as well as an increase of 6.0% (from 9.7% to 15.7%) in solar modulation efficiency is achieved when the molar ratio of Si/V attains 0.8. Based on the effective medium theory, we simulate the optical spectra of the composite films and the best thermochromic property is obtained when the filling factor attains 0.5, which is consistent with the experimental results. Meanwhile, the improvement of chemical stability for the composite film against oxidation has been confirmed. Tungsten is introduced to reduce the phase transition temperature to the ambient temperature, while maintain the thermochromism required for application as smart window. Our research set forth a new avenue in promoting practical applications of VO2-based thermochromic fenestration.
SubtypeArticle
WOS HeadingsScience & Technology
DOI10.1038/srep07000
WOS Subject ExtendedScience & Technology - Other Topics
WOS KeywordVO2 THIN-FILMS ; METAL-INSULATOR-TRANSITION ; OPTICAL-PROPERTIES ; THERMOCHROMIC PROPERTIES ; VANADIUM DIOXIDE ; PHASE-TRANSITION ; VISIBLE TRANSMITTANCE ; MULTILAYER FILMS ; NANOPARTICLES ; WINDOW
Indexed BySCI
Language英语
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000344760100015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10634
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, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Nagoya Inst Technol, Grad Sch Engn, Dept Frontier Mat, Showa Ku, Nagoya, Aichi 4668555, Japan
4.Japan Fine Ceram Ctr, Atsuta Ku, Nagoya, Aichi 4668587, Japan
5.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
6.Genuine Optron Ltd, Shanghai 200235, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Lili,Miao, Lei,Liu, Chengyan,et al. Solution-Processed VO2-SiO2 Composite Films with Simultaneously Enhanced Luminous Transmittance, Solar Modulation Ability and Anti-Oxidation property[J]. SCIENTIFIC REPORTS,2014,4.
APA Zhao, Lili.,Miao, Lei.,Liu, Chengyan.,Li, Chao.,Asaka, Toru.,...&Su, Huirong.(2014).Solution-Processed VO2-SiO2 Composite Films with Simultaneously Enhanced Luminous Transmittance, Solar Modulation Ability and Anti-Oxidation property.SCIENTIFIC REPORTS,4.
MLA Zhao, Lili,et al."Solution-Processed VO2-SiO2 Composite Films with Simultaneously Enhanced Luminous Transmittance, Solar Modulation Ability and Anti-Oxidation property".SCIENTIFIC REPORTS 4(2014).
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