Investigation To The Electrochromism Of a-W03 In Single Films And All-Solid-State Devices

Klaus Bange; Reimund Keller; Wolfgang Wagner; Friedrich Rauch

doi:10.1117/12.949913

6 March 1989 Investigation To The Electrochromism Of a-W0₃ In Single Films And All-Solid-State Devices

Klaus Bange, Reimund Keller, Wolfgang Wagner, Friedrich Rauch

Proceedings Volume 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII; (1989) https://doi.org/10.1117/12.949913
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

Amorphous films of W0₃, colored and bleached in electrochemical and in H₂-containing gas experiments, were characterized by optical and electrical methods, and the hydrogen content C_H was measured by nuclear reaction analysis (NRA) . In the gas phase experiments the kinetics of the coloration process and the optical density show a strong dependence on the H₂ partial pressure. The change in C_H connected with the electrochromic effect of W0₃ could be determined by comparing NRA results with optical data. Distinct differences between samples colored electrochemically and by gas phase experiments were observed. The electrochromism of all-solid-state devices was studied also and is compared with the findings on single a-W0₃ layers.

Citation Download Citation

Klaus Bange, Reimund Keller, Wolfgang Wagner, and Friedrich Rauch "Investigation To The Electrochromism Of a-W0₃ In Single Films And All-Solid-State Devices", Proc. SPIE 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII, (6 March 1989); https://doi.org/10.1117/12.949913

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