Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume 20, Issue 5, Pages 1311-1321Publisher
SPRINGER
DOI: 10.1007/s10008-016-3120-z
Keywords
Electrochemistry; Phthalocyanine derivatives; Electropolymerization; Electrochromism; Spectroelectrochemistry
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Funding
- Turkish Academy of Sciences (TUBA)
- Marmara University (BAPKO) [FEN-C-YLP-080415-0118]
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Metallophthalocyanines (MPcs) (M = 2H(+), Zn2+, Co2+, and Cu2+) bearing diethylaminophenoxy and chloro substituents at the peripheral positions (MPc-tdea-tCl) were coated on the working electrodes with the electropolymerization and tested as electrochromic materials. Altering the metal center of MPcs affected the redox activities of MPc-tdea-tCl films. All electropolymerized MPc-tdea-tCl films behaved as conductive and redox active films in different electrolyte systems. Electrochromic properties of MPc-tdea-tCl films were investigated via the voltammetric, in situ spectroelectrochemical, and in situ spectroelectrocolorimetric measurements. H (2) Pc-tdea-tCl film did not give any electrochromic response, while ZnPc-tdea-tCl and CuPc-tdea-tCl films behave as a reasonable electrochromic material. Distinctive color changes with short response times, high optical contrast, and better optical and coulombic stabilities were only observed with CoPc-tdea-tCl film.
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