Abstract
A novel donor-acceptor-acceptor (D-A-A) donor molecule, DTDCTB, in which an electron-donating ditolylaminothienyl moiety and an electron-withdrawing dicyanovinylene moiety are bridged by another electron-accepting 2,1,3-benzothiadiazole block, has been synthesized and characterized. A vacuum-deposited organic solar cell employing DTDCTB combined with the electron acceptor C70 achieved a record-high power conversion efficiency (PCE) of 5.81%. The respectable PCE is attributed to the solar spectral response extending to the near-IR region and the ultracompact absorption dipole stacking of the DTDCTB thin film. © 2011 American Chemical Society.
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CITATION STYLE
Lin, L. Y., Chen, Y. H., Huang, Z. Y., Lin, H. W., Chou, S. H., Lin, F., … Wong, K. T. (2011). A low-energy-gap organic dye for high-performance small-molecule organic solar cells. Journal of the American Chemical Society, 133(40), 15822–15825. https://doi.org/10.1021/ja205126t
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