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Proceedings Paper

Direct observation of the structure of nickel oxide electrochromic thin films by HRTEM
Author(s): Kazuki Yoshimura; Takeshi Miki; Sakae Tanemura
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Paper Abstract

To investigate the microstructure of nickel oxide electrochromic films, cross-sectional observation of sputtered nickel oxide film was performed using a high resolution electron microscope. Lattice and atomic image could be observed for an as-deposited sample and a bleached sample. These images showed that crystallized NiO exists in both samples. As- deposited film contained a small amount of Ni2O3. One of [111] axis shrank about 3% and the lattice was a little bit strained in the bleached state. The fact that no trace of Ni(OH)2 or other species was observed implies that the boundary and surface of NiO microcrystallites played an important role in the electrochromic reaction.

Paper Details

Date Published: 23 August 1995
PDF: 8 pages
Proc. SPIE 2531, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XIV, (23 August 1995); doi: 10.1117/12.217325
Show Author Affiliations
Kazuki Yoshimura, National Industrial Research Institute of Nagoya (Japan)
Takeshi Miki, National Industrial Research Institute of Nagoya (Japan)
Sakae Tanemura, National Industrial Research Institute of Nagoya (Japan)


Published in SPIE Proceedings Vol. 2531:
Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XIV
Carl M. Lampert; Satyen K. Deb; Claes-Goeran Granqvist, Editor(s)

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