Synthesis, characterization and device optimisation of new poly(benzo[1,2-b:4,5-b′]dithiophene-alt-thieno[3,4-d]thiazole) derivatives for solar cell applications

文献情報

出版日 2015-04-15

DOI 10.1039/C5PY00164A

インパクトファクター 5.582

著者

Nicolas Zindy, Pierre-Olivier Morin, Martijn M. Wienk, René A. J. Janssen, Mario Leclerc

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要旨

New alternating copolymers based on benzo[1,2-b:4,5-b′]dithiophene and thieno[3,4-d]thiazole derivatives have been synthesized by using different combinations of side chains and spacers in order to study their effect on the optical, electrochemical and photovoltaic properties. Optical and electrochemical characterization were performed and the resulting copolymers exhibit optical bandgaps ranging from 1.66 to 1.80 eV, HOMO energy levels between −5.19 and −5.30 eV and LUMO energy levels between −3.60 and −3.72 eV. Photovoltaic devices were fabricated and characterized after a careful optimization of the active layer fabrication by using different solvents, additives and acceptors. Following this process, PCEs up to 4.4% were obtained.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Synthesis, characterization and device optimisation of new poly(benzo[1,2-b:4,5-b′]dithiophene-alt-thieno[3,4-d]thiazole) derivatives for solar cell applications

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