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Title: | Conjugated polymers based on new thienylene - PPV derivatives for solar cell applications | Authors: | WAGNER, Patrick AUBERT, Pierre-Henri LUTSEN, Laurence VANDERZANDE, Dirk |
Issue Date: | 2002 | Publisher: | ELSEVIER SCIENCE INC | Source: | ELECTROCHEMISTRY COMMUNICATIONS, 4(11). p. 912-916 | Abstract: | Two pi-conjugated monomers based on bis-(1-cyano-2-thienyl-vinylene)phenylene derivatives were synthesized by Knoevenagel condensation. Both monomers are found to form electroactive polymers upon electrochemical oxidation. The withdrawing effect due to the cyano-substituent allows for the reversible n-doping of the polymer. Thus, the band gap E-g was measured using electrochemical techniques and compared with that obtained by UV-VIS-NIR spectroscopy. Based on the measured band gap of 1.87 and 1.58 eV, these polymers appear to be interesting candidates for solar-cell applications. (C) 2002 Elsevier Science B.V. All rights reserved. | Notes: | Limburgs Univ Centrum, Res Grp Organ & Polymer Chem, B-3590 Diepenbeek, Belgium. Limburg Univ Centrum, IMEC, IMOMEC Div, B-3590 Diepenbeek, Belgium.Vanderzande, D, Limburgs Univ Centrum, Res Grp Organ & Polymer Chem, Bldg D, B-3590 Diepenbeek, Belgium. | Keywords: | conjugated polymers; cyanovinylenephenylene; 3,4-ethylenedioxythiophene (EDOT); electrochemistry; optical properties | Document URI: | http://hdl.handle.net/1942/2494 | ISSN: | 1388-2481 | e-ISSN: | 1873-1902 | DOI: | 10.1016/S1388-2481(02)00487-3 | ISI #: | 000179348900013 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2003 |
Appears in Collections: | Research publications |
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