Journal
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
Volume 22, Issue 4, Pages 780-U256Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532011000400023
Keywords
dye-sensitized solar cells; electrochemistry; organic dyes; electron donor; rhodanine
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Funding
- National Science Council of the Republic of China
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Three new organic dyes comprising carbazole, iminodibenzyl and phenothiazine moieties, as electron donors and di-anchoring rhodanine rings as the electron acceptors, were synthesized and evaluated for use in dye-sensitized solar cells. A solar cell employing dye-containing phenothiazine as a hole-transporting unit and di-anchoring rhodanine rings as the electron acceptors exhibits a short circuit photocurrent density of 10.6 mA cm(-2), an open-circuit voltage of 0.658 V and a fill factor of 0.7, corresponding to an overall conversion efficiency of 4.91% at standard AM 1.5 sunlight.
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