Electrochromic praseodymium oxide films

Lisen Kullman; Andris Azens; Claes-Goeran Granqvist

doi:10.1117/12.290204

14 October 1997 Electrochromic praseodymium oxide films

Lisen Kullman, Andris Azens, Claes-Goeran Granqvist

Proceedings Volume 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV; (1997) https://doi.org/10.1117/12.290204
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Thin films of Pr oxide were made by dc magnetron sputtering at different oxygen contents in the plasma. Films, ranging in color from dark orange (presumably PrO₂-like) to transparent, were made by varying the O₂/Ar ratio from 0.025 to 0.005. The electrochromic properties were studied under Li ion and proton intercalation. The charge capacity ranged from being comparable to that of W oxide for oxygen rich films to virtually zero for oxygen depleted films. The initially dark films showed strong anodic electrochromism and gave a rather neutral optical appearance in a device incorporating a W oxide film.

Citation Download Citation

Lisen Kullman, Andris Azens, and Claes-Goeran Granqvist "Electrochromic praseodymium oxide films", Proc. SPIE 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV, (14 October 1997); https://doi.org/10.1117/12.290204

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