Designing and Fabrication of Electrochromic Windows Using Tungsten Oxide Films Prepared Through Sol-gel Coating on a Glass

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Daroogheh Nayyereh; KARIMI ELHAM; Ghorashi Seyed Mohammad Bagher

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Journal Paper

Paper Information

Journal: International Journal of Optics and Photonics Year:2019 | Volume:13 | Issue:2 Page(s): 79-88

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Title

Designing and Fabrication of Electrochromic Windows Using Tungsten Oxide Films Prepared Through Sol-gel Coating on a Glass

Author(s)

Daroogheh Nayyereh | KARIMI ELHAM | Ghorashi Seyed Mohammad Bagher | Issue Writer Certificate

Keywords

Electrochromic material

Sol-gel preparation

Tungsten oxide

Coloration

Abstract

In this study, a sol-gel peroxotungstic acid sol was employed to deposit Tungsten oxide (WO3) films by the spin-coating technique. In view of smart window applications, electrochromic windows were then designed and fabricated using a thin Tungsten oxide film. For this purpose, Glass/ FTO/ WO3/ electrolyte/ FTO/Glass could be of use due to its special structure that consists of an electrochromic layer (WO3) on a transparent conductor (FTO), an electrolyte containing Li+ cations, and a transparent conductor layer. A voltage was applied on the fabricated sample, which was later assesed for its transmission, switching speed, and Coloration efficiency. An increase in the Coloration efficiency from 87 cm2/C-1 to 99. 1 cm2/C-1 was found associated with an increase in the deposition speed. Moreover, the increase in the deposition speed led to a decrease in the Coloration and bleaching time duration from 11. 4 s to 6. 2 s and from 12. 8 s to 5. 2 s respectively. The results obtained on the thin film WO3 can be useful for electrochromic applications.

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APA: Copy

Daroogheh, Nayyereh, KARIMI, ELHAM, & Ghorashi, Seyed Mohammad Bagher. (2019). Designing and Fabrication of Electrochromic Windows Using Tungsten Oxide Films Prepared Through Sol-gel Coating on a Glass. INTERNATIONAL JOURNAL OF OPTICS AND PHOTONICS (IJOP), 13(2), 79-88. SID. https://sid.ir/paper/307259/en

Vancouver: Copy

Daroogheh Nayyereh, KARIMI ELHAM, Ghorashi Seyed Mohammad Bagher. Designing and Fabrication of Electrochromic Windows Using Tungsten Oxide Films Prepared Through Sol-gel Coating on a Glass. INTERNATIONAL JOURNAL OF OPTICS AND PHOTONICS (IJOP)[Internet]. 2019;13(2):79-88. Available from: https://sid.ir/paper/307259/en

IEEE: Copy

Nayyereh Daroogheh, ELHAM KARIMI, and Seyed Mohammad Bagher Ghorashi, “Designing and Fabrication of Electrochromic Windows Using Tungsten Oxide Films Prepared Through Sol-gel Coating on a Glass,” INTERNATIONAL JOURNAL OF OPTICS AND PHOTONICS (IJOP), vol. 13, no. 2, pp. 79–88, 2019, [Online]. Available: https://sid.ir/paper/307259/en

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