Improvement in electrochromic stability of electrodeposited nickel hydroxide thin film

C. Natarajan, Hiroshige Matsumoto, G. Nogami

Research output: Contribution to journalArticle

122 Citations (Scopus)

Abstract

The electrochromic nickel hydroxide thin film was anodically deposited from an aqueous solution. The effect of solution temperature, postheat-treatment temperature, and addition of cadmium on the electrochromic behavior (color/bleach durability cycle, response time, and coloration efficiency of the nickel hydroxide films in NaOH) were investigated. A significant increase in the color/bleach durability cycle from 500 (for the as-deposited film) to more than 5000 cycles (for the heat-treated film) was observed. The addition of cadmium increased the utilization of the active materials. It was found that the coloration efficiency was 40 cm2/C and coloration and bleaching response time were 20 to 30 s and 8 to 10 s, respectively. The change in the electrochromic properties with heat-treatment temperature is discussed based on the physical and electrochemical analysis.

Original languageEnglish
Pages (from-to)121-126
Number of pages6
JournalJournal of the Electrochemical Society
Volume144
Issue number1
DOIs
Publication statusPublished - Jan 1 1997
Externally publishedYes

Fingerprint

Nickel
hydroxides
nickel
Cadmium
color
Thin films
Durability
thin films
Color
durability
cadmium
cycles
Bleaching
Temperature
Heat treatment
bleaching
temperature
heat treatment
hydroxide ion
aqueous solutions

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

Cite this

Improvement in electrochromic stability of electrodeposited nickel hydroxide thin film. / Natarajan, C.; Matsumoto, Hiroshige; Nogami, G.

In: Journal of the Electrochemical Society, Vol. 144, No. 1, 01.01.1997, p. 121-126.

Research output: Contribution to journalArticle

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