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Proceedings Paper

Electrochromic praseodymium oxide films
Author(s): Lisen Kullman; Andris Azens; Claes-Goeran Granqvist
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Paper 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.

Paper Details

Date Published: 14 October 1997
PDF: 7 pages
Proc. SPIE 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV, (14 October 1997); doi: 10.1117/12.290204
Show Author Affiliations
Lisen Kullman, Uppsala Univ. (Sweden)
Andris Azens, Uppsala Univ. (Sweden)
Claes-Goeran Granqvist, Uppsala Univ. (Sweden)


Published in SPIE Proceedings Vol. 3138:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV
Carl M. Lampert; Claes G. Granqvist; Michael Graetzel; Satyen K. Deb, Editor(s)

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