A thermochromic low-emittance coating: Calculations for nanocomposites of In2O3:Sn and VO2

被引：19
|
作者：
Li, S. -Y. [1 ]
Niklasson, G. A. [1 ]
Granqvist, C. G. [1 ]
机构：
[1] Uppsala Univ, Dept Engn Sci, Angstrom Lab, SE-75121 Uppsala, Sweden
来源：
APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 13期
基金：
瑞典研究理事会;
关键词：
coatings; indium compounds; nanocomposites; semiconductor thin films; thermo-optical effects; vanadium compounds; wide band gap semiconductors; OPTICAL-PROPERTIES; TRANSITION; FILMS;
D O I：
10.1063/1.3641869
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Calculations based on the Bruggeman effective medium theory were applied to thin films comprising a heavily doped wide band gap semiconductor (specifically In2O3:Sn (ITO)) and VO2. Films with similar to 20 vol. % of VO2 can combine a 10% thermochromic modulation of the solar energy throughput with a luminous transmittance of 50%-60% and low thermal emittance. The maximum thermochromic modulation is similar to 13% and occurs at similar to 35 vol. % VO2. Coatings of ITO-VO2 are of interest for energy efficient fenestration. (C) 2011 American Institute of Physics. [doi:10.1063/1.3641869]
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页数：3
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