Document Type

Article

Publication Date

9-2012

Subject: LCSH

Copolymers

Disciplines

Chemical Engineering | Chemistry

Abstract

Two conjugated copolymers, P1 and P2, comprising of benzodithiophene and 5, 6-dioctyloxy-benzothiadiazole (DOBT) derivatives with/without thiophene unit, were synthesized via Stille cross-coupling polymerization reaction. These copolymers are promising for the applications in BHJ solar cells due to their good solubilities, proper thermal stability and moderate hole mobility as well as low bandgap. The photovoltaic properties of the copolymers were investigated based on the blend of the different polymer/PC71BM weight ratio under AM1.5G illumination, 100 mW/cm2. The device with ITO/PEDOT:PSS/P2: PC71BM (1:2, w/w)/Ca/Al gave relatively better photovoltaic performance, with a power conversion efficiency of 1.55%.

Comments

This is the peer reviewed version of the following article: Ping Ding, Yingping Zou, Chengche Chu, Dequan Xiao, Chain-Shu Hsu, “Effects of Thiophene Units on Substituted Benzothiadiazole and Benzodithiophene Copolymers for Photovoltaic Applications”, J. Appl. Polym. Sci.125(5), 2012, 3936-3945, which has been published in final form at http://onlinelibrary.wiley.com.unh-proxy01.newhaven.edu:2048/enhanced/doi/10.1002/app.36541/ . This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

DOI

10.1002/app.36541/

Publisher Citation

Ding, P., Zou, Y., Chu, C., Xiao, D., Hsu, C. (2012). “Effects of Thiophene Units on Substituted Benzothiadiazole and Benzodithiophene Copolymers for Photovoltaic Applications”, J. Appl. Polym. Sci.125(5), 2012, 3936-3945. doi: 10.1002/app.36541/

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