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Low thermal emissivity surfaces using AgNW thin films.
Pantoja, Elisa; Bhatt, Rajendra; Liu, Anping; Gupta, Mool C.
Afiliación
  • Pantoja E; Charles L. Brown Department of Electrical & Computer Engineering, University of Virginia, Charlottesville, VA 22904, United States of America.
Nanotechnology ; 28(50): 505708, 2017 Dec 15.
Article en En | MEDLINE | ID: mdl-29082899
ABSTRACT
The properties of silver nanowire (AgNW) films in the optical and infrared spectral regime offer an interesting opportunity for a broad range of applications that require low-emissivity coatings. This work reports a method to reduce the thermal emissivity of substrates by the formation of low-emissivity AgNW coating films from solution. The spectral emissivity was characterized by thermal imaging with an FLIR camera, followed by Fourier transform infrared spectroscopy. In a combined experimental and simulation study, we provide fundamental data of the transmittance, reflectance, haze, and emissivity of AgNW thin films. Emissivity values were finely tuned by modifying the concentration of the metal nanowires in the films. The simulation models based on the transfer matrix method developed for the AgNW thin films provided optical values that show a good agreement with the measurements.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanotechnology Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanotechnology Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos