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Dr. Sie-Rong Li, Chuan-Pei Lee, Dr. Hui-Tung Kuo, Prof. Kuo-Chuan Ho and Dr. Shih-Sheng Sun High-Performance Dipolar Organic Dyes with an Electron-Deficient Diphenylquinoxaline Moiety in the π-Conjugation Framework for Dye-Sensitized Solar Cells Chemistry - A European Journal 18

Version of Record online: 13 AUG 2012 | DOI: 10.1002/chem.201201000

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Donor–acceptor systems: Six organic dyes comprised of a triphenylamine group as an electron donor, a cyanoacrylic acid as an electron acceptor, and an electron-deficient diphenylquinoxaline moiety integrated into the π-conjugated spacer between the electron donor and acceptor were synthesized (see figure). Dye-sensitized solar cells (DSSCs) based on one of the dyes produced an overall cell performance of 7.35 %, which translates to about 79 % of the intrinsic efficiency of the DSSC based on standard N719.

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