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VO2/TiN Plasmonic Thermochromic Smart Coatings for Room‐Temperature Applications

Abstract

Vanadium dioxide/titanium nitride (VO2/TiN) smart coatings are prepared by hybridizing thermochromic VO2 with plasmonic TiN nanoparticles. The VO2/TiN coatings can control infrared (IR) radiation dynamically in accordance with the ambient temperature and illumination intensity. It blocks IR light under strong illumination at 28 °C but is IR transparent under weak irradiation conditions or at a low temperature of 20 °C. The VO2/TiN coatings exhibit a good integral visible transmittance of up to 51% and excellent IR switching efficiency of 48% at 2000 nm. These unique advantages make VO2/TiN promising as smart energy‐saving windows.

Thermochromic vanadium oxide (VO2) film is coated on titanium nitrate (TiN) plasmonic nanoparticles to fabricate a hybrid VO2/TiN smart coating. This novel coating can intelligently control the infrared (IR) radiation under room‐temperature conditions by reflecting the IR radiation at a high temperature while allowing most of the radiation to go through at a low temperature.

Autoren:   Qi Hao, Wan Li, Huiyan Xu, Jiawei Wang, Yin Yin, Huaiyu Wang, Libo Ma, Fei Ma, Xuchuan Jiang, Oliver G. Schmidt, Paul K. Chu
Journal:   Advanced Materials
Jahrgang:   2018
Seiten:   n/a
DOI:   10.1002/adma.201705421
Erscheinungsdatum:   19.01.2018
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