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Ahmed El-Shafei, Maqbool Hussain, Ashraful Islam and Liyuan Han Structure–property relationship of hetero-aromatic-electron-donor antennas of polypyridyl Ru (II) complexes for high efficiency dye-sensitized solar cells Progress in Photovoltaics: Research and Applications 22

Article first published online: 28 JAN 2013 | DOI: 10.1002/pip.2349

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Three novel heteroleptic polypyridyl Ru(II)-complexes, coded MH08-10 were synthesized for DSSCs. When compared under the same experimental device conditions, the JSC and %η of MH08-10 were MH08>MH09>MH10. The differences in %η and JSC of MH08-10 were attributed to the conjugation length coupled with the electron donation and hole-transport strength of the ancillary ligands, which were in the following order MH08>MH09>MH10, and dye MH08-TBA outperformed the champion dye N719. Excellent agreement between the experimental photophysics results and TD-DFT were found.

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