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VO2/Nickel-bromine-ionic liquid composite film for thermochromic application
Chena, Yunxiang; Zhu, Jingting; Ma, Haibin; Chen, Longlong; Li, Rong; Jin, Ping
2019-07-01
Source PublicationSOLAR ENERGY MATERIALS AND SOLAR CELLS
ISSN0927-0248
Volume196Pages:124
SubtypeArticle
AbstractVanadium dioxide (VO2) is an ideal thermochromic material for "smart window" which can reduce energy consumption of air conditioning in modern architectures. However, the application of VO2-based smart window is always limited by the poor luminous transmittance (T-lum), low solar regulation efficiency (Delta T-sol) and unsightly brown color. According to previous researches, compositing has been approved to be an effective method to solve all of above issues for VO2-based smart window simultaneously. In this work, a new thermochromic ionic liquid (nickel-bromine-ionic liquid (or Ni-Br-IL, for short)) was synthesized and introduced to be composited with VO2 nanoparticles for enhanced performance. The composite film demonstrates ultrahigh optical properties: Delta T-sol = 27.0%, which is 1.91 times higher than that of pure VO2 film (14.1%) at a rather high T-lum (T-l,T-lum = 65.9% and T-h,T-lum = 55.3%) with little loss of visible light at high temperature (Delta T-lum = 10.6%). Meanwhile, it can be observed the color change from light yellow to green clearly as the temperature rises. Such enhanced performance will benefit the publicity and application for VO2-based smart window.
KeywordVanadium dioxide Nickel-bromine-ionic liquid Thermochromic Optical performance Color change
DOI10.1016/j.solmat.2019.03.047
Language英语
WOS Research AreaEnergy & Fuels ; Materials Science ; Physics
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27027
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chena, Yunxiang,Zhu, Jingting,Ma, Haibin,et al. VO2/Nickel-bromine-ionic liquid composite film for thermochromic application[J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS,2019,196:124.
APA Chena, Yunxiang,Zhu, Jingting,Ma, Haibin,Chen, Longlong,Li, Rong,&Jin, Ping.(2019).VO2/Nickel-bromine-ionic liquid composite film for thermochromic application.SOLAR ENERGY MATERIALS AND SOLAR CELLS,196,124.
MLA Chena, Yunxiang,et al."VO2/Nickel-bromine-ionic liquid composite film for thermochromic application".SOLAR ENERGY MATERIALS AND SOLAR CELLS 196(2019):124.
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