Structural and electrical properties of sol-gel-deposited WO3 films

S. A. Agnihotry; Nidhi Sharma; M. Deepa; Ram Kishore; K. N. Sood; Sudhir Kumar Sharma

doi:10.1117/12.365777

8 October 1999 Structural and electrical properties of sol-gel-deposited WO3 films

S. A. Agnihotry, Nidhi Sharma, M. Deepa, Ram Kishore, K. N. Sood, Sudhir Kumar Sharma

Proceedings Volume 3788, Switchable Materials and Flat Panel Displays; (1999) https://doi.org/10.1117/12.365777
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Amongst various sol-gel routes to deposit large area WO₃ films for electrochromic applications, the one using peroxotungstic acid based precursor solution gives superior electrochromic films. Further improvements in the properties are possible by chemical modification of the precursor material and by controlling the post deposition thermal treatment. Both these parameters affect physical, structural, electrical and as a result electrochromic properties of the films significantly. A detailed study of these properties of the films deposited with precursor solution modified with various organic additives and different thermal parameters was undertaken. X-ray diffraction, electron microscopy and resistance measurements were used to characterize and compare the films. These properties of the films correlated to their electrochromic behavior are reported in this paper.

Citation Download Citation

S. A. Agnihotry, Nidhi Sharma, M. Deepa, Ram Kishore, K. N. Sood, and Sudhir Kumar Sharma "Structural and electrical properties of sol-gel-deposited WO3 films", Proc. SPIE 3788, Switchable Materials and Flat Panel Displays, (8 October 1999); https://doi.org/10.1117/12.365777

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