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Solution-processed P3HT-functional graphene for efficient heterojunction organic photoelectronics

Published online by Cambridge University Press:  13 July 2016

Jian Ye Open the ORCID record for Jian Ye [Opens in a new window] ,
Xueliang Li ,
Jianjun Zhao ,
Xuelan Mei  and
Qian Li
Jian Ye*
Affiliation:
Department of Chemistry and Environmental Engineering, Bengbu College, Bengbu, Anhui 233030, China
Xueliang Li
Affiliation:
Department of Application Chemistry, School of Chemical Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
Jianjun Zhao
Affiliation:
Department of Chemistry and Environmental Engineering, Bengbu College, Bengbu, Anhui 233030, China
Xuelan Mei
Affiliation:
Department of Chemistry and Environmental Engineering, Bengbu College, Bengbu, Anhui 233030, China
Qian Li
Affiliation:
Department of Chemistry and Environmental Engineering, Bengbu College, Bengbu, Anhui 233030, China
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

A facile method that allows chemical functionalization of graphene sheets is described. These result in a solution processable graphene-based material, namely F-graphene, which can be integrated in organic photoelectronic devices, due to its unique structural and photophysical properties. The resultant poly(3-hexylthiophene)(P3HT):F-graphene are soluble in common organic solvents, facilitating the structure/property characterization and the device fabrication by solution processing. The synthesized F-graphene is blended with the conjugated polymer in optimized concentration. The high and sensitive photoresponse of P3HT:F-graphene was demonstrated by the photodetector. A heterojunction photovoltaic device based on the solution-cast P3HT:F-graphene (with a BHJ structure of ITO/ZnO/P3HT:F-graphene/MoO3/Ag) showed a power conversion efficiency of 1.9% under AM1.5 illumination (100 mW/cm2). It provides a new method for graphene application in organic photoelectronics. It can easily enhance the performance of devices by optimizing the structure and bulk heterojunction blend in the near future.

Keywords

F-grapheneP3HTphotoelectronicssolution-cast
Type
Articles
Information
Journal of Materials Research , Volume 31 , Issue 14 , 28 July 2016 , pp. 1985 - 1992
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Copyright
Copyright © Materials Research Society 2016 

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Footnotes

Contributing Editor: Sam Zhang

References

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