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Polycarbazole-film-coated electrodes as electrochromic devices

✍ Scribed by Manju M. Verghese; M. K. Ram; H. Vardhan; S. M. Ashraf; B. D. Malhotra

Book ID
101276345
Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
242 KB
Volume
6
Category
Article
ISSN
1616-301X

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✦ Synopsis

An attempt has been made to investigate the electrochromic properties of polycarbazole (PCARB) films. Both the electrochemical current response and optical transmittance of an electrochromic cell fabricated using PCARB electrochemically deposited on an indium tin oxide (ITO) glass as an anode and platinum as a cathode have been experimentally measured. Current transients observed for colouration and decolouration of PCARB films have been analysed to delineate the mechanism of switching reaction in these semiconducting PCARB films. The response times in various media range from 87 to 208 ms and the life cycle of such PCARB electrodes is about lo4 cycles.

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