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Title: VO2/Si–Al gel nanocomposite thermochromic smart foils : largely enhanced luminous transmittance and solar modulation
Authors: Liu, C.
Cao, X.
Kamyshny, A.
Magdassi, S.
Long, Y.
Law, J. Y.
Keywords: DRNTU::Engineering::Nanotechnology
Issue Date: 2013
Source: Liu, C., Cao, X., Kamyshny, A., Law, J.Y., Magdassi, S., & Long, Y. (2013). VO2/Si–Al gel nanocomposite thermochromic smart foils: Largely enhanced luminous transmittance and solar modulation. Journal of Colloid and Interface Science, in press.
Series/Report no.: Journal of colloid and interface science
Abstract: VO2 nanoparticles with a dimension of approximately 20nm were obtained by simple mechanical bead-milling method, which were well dispersed in transparent silica-alumina (Si-Al) gel matrix to form nanocomposites. The VO2/Si-Al gel thermochromic nanocomposite foils were fabricated with various VO2 solid contents and foil thickness. With 10% VO2 loading and 3μm foil thickness, high luminous transmittance (Tlum(20°C)=63.7% and Tlum(90°C)=54.4%), and large solar modulation ability (ΔTsol=12%) can be obtained which surpasses the best reported results (nanoporous films:Tlum(20°C)=43.3%, Tlum(90°C)=39.9% and ΔTsol=14.1%). This current approach provided a simple and scalable preparation method with the best combined thermochromic performance.
DOI: 10.1016/j.jcis.2013.11.028
Rights: © 2013 Elsevier Inc.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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