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    Electrochromic properties of poly(diphenyldithieno[3,2-b;: 2?,3?-d]thiophene)
    (Elsevier Science Sa, 2006) Mert, Olcay; Sahin, Elif; Ertas, Erdal; Ozturk, Turan; Aydin, Engin A.; Toppare, Levent
    A conducting polymer of diphenyldithieno[3,2-b;2',3'-d]thiophene (DPhDTT) was synthesized via potentiodynamic method in dichloromethane (DCM)/acetonitrile (AN) (1:9(v/v))-NaClO4/LiClO4 (0.1:0.1 M) solvent-electrolyte couple. Characterizations of the resulting homopolymer were performed by cyclic voltarnmetry (CV), Fourier transform infrared (FTIR) and UV-Vis spectroscopy. Moreover, the spectroelectrochemical and electrochromic properties of the homopolymer films were investigated. Consequently, P(DPhDTT)/PEDOT device was constructed and their characteristics were examined in detail. A potential range of 0.0-2.0 V was found to be suitable for operating the P(DPhDTT)/PEDOT device between yellow and blue colors. The device reveals good open circuit memory and stability. (c) 2006 Elsevier B.V. All rights reserved.