Electrochromic properties of poly(3-CHLOROTHIOPHENE (cas 17249-80-8)) film electrodeposited on a nanoporous TiO2 surface via a room temperature ionic liquid and its application in an electrochromic device

Add time:08/28/2019    Source:sciencedirect.com

Poly(3-chlorothiophene) (PClT) was electrochemically synthesized on a nanoporous TiO2 surface in the ionic liquid 1-butyl-3-metyllimidazolium hexafluorophosphate by galvanostat method to control charge density of 93 mC cm− 2. Spectroelectrochemical analysis presented that the PClT/TiO2 nanocomposite film had an electronic bandgap of 1.80 eV with a bordeaux color in the reduced form and a dark blue color in the oxidized form. The switching ability of the PClT/TiO2 nanocomposite film was monitored and the percent transmittance was measured as 12% at 555 nm and 25% at 770 nm. Moreover, a PClT/TiO2 nanocomposite film based electrochromic device was constructed and its electrochromic properties were also investigated in this paper.

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