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D-pi-A-pi-D type benzothiadiazole-triphenylamine based small molecules containing cyano on the pi-bridge for solution-processed organic solar cells with high open-circuit voltage

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Indexed by:期刊论文

Date of Publication:2012-11-07

Journal:CHEMICAL COMMUNICATIONS

Included Journals:SCIE、PubMed、Scopus

Volume:48

Issue:86

Page Number:10627-10629

ISSN No.:1359-7345

Abstract:Two novel D-pi-A-pi-D structured small molecules composed of benzothiadiazole and triphenylamine were designed and synthesized. BDCTBT with cyano on the pi-bridge exhibited a deep HOMO energy level, resulting in an impressive V-OC of up to 1.04 V with a PCE of 3.85%, while non-cyano substituted BDETBT yielded a V-OC of 0.94 V and a PCE of 1.99%.

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