A Low-Energy-Gap Organic Dye for High-Performance Small-Molecule Organic Solar Cells | Zendy

LiYen Lin | Zendy; Yihong Chen | Zendy; ZhengYu Huang | Zendy; HaoWu Lin | Zendy; ShuHua Chou | Zendy; Francis Lin | Zendy; ChangWen Chen | Zendy; YiHung Liu | Zendy; KenTsung Wong | Zendy

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A Low-Energy-Gap Organic Dye for High-Performance Small-Molecule Organic Solar Cells

Author(s) -

LiYen Lin,

Yihong Chen,

ZhengYu Huang,

HaoWu Lin,

ShuHua Chou,

Francis Lin,

ChangWen Chen,

YiHung Liu,

KenTsung Wong

Publication year - 2011

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja205126t

Subject(s) - chemistry , moiety , organic solar cell , stacking , energy conversion efficiency , electron acceptor , photochemistry , acceptor , electron donor , molecule , solar cell , optoelectronics , stereochemistry , organic chemistry , catalysis , materials science , physics , condensed matter physics , polymer

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 C(70) 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.

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