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Issue 3, 2011
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Electrodeposition and properties of TEMPO functionalized polythiophene thin films

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Abstract

The modification of an azide-functionalized regioregular polythiophene with TEMPO groups is reported. The TEMPO functionalized polymer is characterized by ESR, ATR-IR, absorption and emission spectroscopies and electrochemical methods. Partial quenching of the polymer emission by the TEMPO groups is observed. The polymer may be electrodeposited onto ITO or carbon electrodes to give thin films. Cyclic voltammetry gives specific charge capacity values of 2.3 mA h g−1 for the TEMPO functionalized polymers, and specific capacitances of 0.8 F g−1 determined by galvanostatic charge/discharge experiments. The reduced charge capacity relative to unfunctionalized polythiophene is attributed to TEMPO induced cleavage and oxidation of the conjugated backbone.

Graphical abstract: Electrodeposition and properties of TEMPO functionalized polythiophene thin films

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Publication details

The article was received on 14 Sep 2010, accepted on 30 Oct 2010 and first published on 25 Nov 2010


Article type: Paper
DOI: 10.1039/C0PY00308E
Polym. Chem., 2011,2, 640-644

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    Electrodeposition and properties of TEMPO functionalized polythiophene thin films

    T. K. Kunz and M. O. Wolf, Polym. Chem., 2011, 2, 640
    DOI: 10.1039/C0PY00308E

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