Organic solar cells using a high-molecular-weight benzodithiophene-benzothiadiazole copolymer with an efficiency of 9.4%.

Jegadesan Subbiah,Balaji Purushothaman,Ming Chen,Tianshi Qin,Mei Gao,Doojin Vak,Fiona H Scholes,Xiwen Chen,Scott E Watkins,Gerard J Wilson,Andrew B Holmes,Wallace W H Wong,David J Jones

ADVANCED MATERIALS（2015）

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摘要

A high molecular weight donor-acceptor conjugated polymer is synthesized using the Suzuki polycondensation method. Using this polymer, a single-junction bulk-heterojunction solar cell is fabricated giving a power conversion efficiency of 9.4% using a fullerene-modified ZnO interlayer at the cathode contact.

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关键词

interface engineering,molecular weight control,morphology,organic solar cell

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