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Polymers 2012, 4(3), 1443-1461;

Novel Organic Sensitizers Containing 2,6-Difunctionalized Anthracene Unit for Dye Sensitized Solar Cells

Institute of Chemistry, Academia Sinica, Nankang, Taipei 11529, Taiwan
Author to whom correspondence should be addressed.
Received: 29 June 2012 / Revised: 23 July 2012 / Accepted: 24 July 2012 / Published: 3 August 2012
(This article belongs to the Special Issue Polymers for Fuel Cells & Solar Energy)
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A series of new organic dyes comprising different amines as electron donors, 2-(6-substituted-anthracen-2-yl)-thiophene as the π-conjugated bridge, and cyanoacrylic acid group as an electron acceptor and anchoring group, have been synthesized. There exists charge transfer transition from arylamine and anthracene to the acceptor in these compounds, as evidenced from the photophysical measurements and the computational results. Under one sun (AM 1.5) illumination, dye-sensitized solar cells (DSSCs) using these dyes as the sensitizers exhibited efficiencies ranging from 1.62% to 2.88%, surpassing that using 9,10-difunctionalized anthracene-based sensitizer. View Full-Text
Keywords: anthracene; dye-sensitized solar cells; metal-free sensitizers anthracene; dye-sensitized solar cells; metal-free sensitizers

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Yen, Y.-S.; Chen, Y.-C.; Chou, H.-H.; Huang, S.-T.; Lin, J.T. Novel Organic Sensitizers Containing 2,6-Difunctionalized Anthracene Unit for Dye Sensitized Solar Cells. Polymers 2012, 4, 1443-1461.

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