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New Copolymers Based on Acenaphto[1,2-b]thieno[3,4-e]Pyrazine for Transistor and Solar Cell Applications

Published online by Cambridge University Press:  31 January 2011

Pierre-Luc T. Boudreault
Affiliation:
[email protected], Université Laval, Chemistry, Québec City, Canada
Nobuyuki Miyaki
Affiliation:
[email protected], Stanford University, Chemical Engineering, Stanford, California, United States
Rajib Mondal
Affiliation:
[email protected], Stanford University, Chemical Engineering, Stanford, California, United States
Ming Lee Tang
Affiliation:
[email protected], Stanford University, Chemical Engineering, Stanford, California, United States
Zhenan Bao
Affiliation:
[email protected], Stanford University, Chemical Engineering, Stanford, California, United States
Mario Leclerc
Affiliation:
[email protected], Université Laval, Chemistry, Québec City, Canada
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Abstract

We will show the synthesis of new donor-acceptor copolymers based on 2,7-carbazole or 2,7-dibenzosilole and acenaphtho[1,2-b]thieno[3,4-e]pyrazine. After the synthesis of these new copolymers, we have characterized the materials by UV-vis, DSC, and XRD to determine the degree of organization. Afterward, we have fabricated and investigated field-effect transistors and photovoltaic cells from these polymers. The optimization of the thin film by thermal treatment have led to a field-effect mobility of 0.04 cm2/(V.s) and power conversion efficiency of 0.44%.

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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