New A-A-D-A-A-Type Electron Donors for Small Molecule Organic Solar Cells | Zendy

LiYen Lin | Zendy; Chih-Wei Lu | Zendy; Wei-Ching Huang | Zendy; Yihong Chen | Zendy; HaoWu Lin | Zendy; KenTsung Wong | Zendy

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New A-A-D-A-A-Type Electron Donors for Small Molecule Organic Solar Cells

Author(s) -

LiYen Lin,

Chih-Wei Lu,

Wei-Ching Huang,

Yihong Chen,

HaoWu Lin,

KenTsung Wong

Publication year - 2011

Publication title -

organic letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.94

H-Index - 239

eISSN - 1523-7060

pISSN - 1523-7052

DOI - 10.1021/ol2021077

Subject(s) - chemistry , organic solar cell , small molecule , molecule , bilayer , electron , fullerene , energy conversion efficiency , electron acceptor , planar , block (permutation group theory) , solar cell , photochemistry , crystallography , optoelectronics , organic chemistry , materials science , physics , membrane , polymer , biochemistry , computer graphics (images) , quantum mechanics , computer science , geometry , mathematics

Two A-A-D-A-A-type molecules (BCNDTS and BDCDTS), where two terminal electron-withdrawing cyano or dicyanovinylene moieties are connected to a central dithienosilole core through another electron-accepting 2,1,3-benzothiadiazole block, have been synthesized, characterized, and employed as electron donors for small molecule organic solar cells. Vacuum-deposited bilayer and planar mixed heterojunction devices based on BCNDTS and fullerene acceptors (C(60) or C(70)) exhibited decent power conversion efficiencies of 2.3% and 3.7%, respectively.

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