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Proceedings Paper

Influence of near-surface region on electrochromic properties of sodium tungsten bronze crystals
Author(s): Igor A. Ges; Galina V. Kuzmitch; Igor M. Romanov
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Paper Abstract

This paper deals with the influence of near-surface region on electrochromic properties of sodium tungsten bronze (STB) crystals. The surface element analysis of STB was carried out by SIMS and ESCA methods. Effects of anodic polarization and electrochromic coloration-bleaching on the near-surface of crystals were investigated. It was found that anodic polarization resulted to extraction of sodium from near- surface region. This process is responsible for the appearance of uninterrupted channels which are permeable to hydrogen ions. Their mobility defines sensitivity of electrochromic structure based on STB crystal. Mechanisms of anodic polarization and electrochromic bleaching-coloration of NaxWO3 are discussed.

Paper Details

Date Published: 6 February 1997
PDF: 6 pages
Proc. SPIE 2968, Optical Organic and Semiconductor Inorganic Materials, (6 February 1997); doi: 10.1117/12.266836
Show Author Affiliations
Igor A. Ges, Institute of Electronics (Belarus)
Galina V. Kuzmitch, Institute of Electronics (Belarus)
Igor M. Romanov, Institute of Electronics (Belarus)


Published in SPIE Proceedings Vol. 2968:
Optical Organic and Semiconductor Inorganic Materials
Edgar A. Silinsh; Arthur Medvids; Andrejs R. Lusis; Andris O. Ozols, Editor(s)

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