Journal
APPLIED SURFACE SCIENCE
Volume 425, Issue -, Pages 233-240Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.07.035
Keywords
Vanadium dioxide; Electrospinning; Polymethylmethacrylate; Smart film; Thermochromic property
Categories
Funding
- Major Science and Technology Project of Guangdong Province [2013A011401011]
- Youth Innovation Promotion Association CAS [2017400]
- Special Plan of Guangdong Province [2015TQ01N714]
- Pearl River Starof Science and Technology [2014J2200078]
- Science and Technology Project of Guangdong Province [2014A010106018]
- National Natural Science Foundation of China [51506205]
- Project of Science and Technology Service Network initiative CAS [KFJ-STS-QYZD-010]
- Major Science and Technology Project of Tibet Autonomous Region [ZD20170017]
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The monoclinic phase vanadium dioxide VO2 (M) based transparent thermochromic smart films were firstly fabricated through heat treatment of opaque VO2-based composite nanofibrous mats, which were deposited on the glass substrate via electrospinning technique. Noteworthily, the anti-oxidation property of VO2 smart film was improved due to inner distribution of VO2 in the polymethylmethacrylate (PMMA) nanofibers, and the composite mats having water contact angle of 165. determined itself good superhydrophobic property. Besides, PMMA nanofibrous mats with different polymer concentrations demonstrated changeable morphology and fiber diameter. The VO2 nanoparticles having diameter of 30-50 nm gathered and exhibited ellipse-like or belt-like structure. Additionally, the solar modulation ability of PMMA-VO2 composite smart film was 6.88% according to UV-Vis-NIR spectra. The research offered a new notion for fabricating transparent VO2 thermochromic material. (C) 2017 Published by Elsevier B.V.
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