Enhancement of device performance of organic solar cells by an interfacial perylene derivative layer

Inho Kim; Hanna M. Haverinen; Jian Li; Ghassan E. Jabbour

doi:10.1021/am100039m

Enhancement of device performance of organic solar cells by an interfacial perylene derivative layer

Inho Kim, Hanna M. Haverinen, Jian Li, Ghassan E. Jabbour

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We report that device performance of organic solar cells consisting of zinc phthalocyanine and fullerene (C₆₀) can be enhanced by insertion of a perylene derivative interfacial layer between fullerene and bathocuproine (BCP) exciton blocking layer (EBL). The morphology of the BCP is influenced by the underlying N,N′-dihexyl-perylene-3,4,9,10-bis(dicarboximide) (PTCDI-C6), which promotes migration of the cathode metal into the BCP layer. Insertion of a PTCDI-C6 layer between fullerene and BCP layers enhances the power conversion efficiency to 2.5%, an improvement of 32% over devices without PTCDI-C6 layer. The enhancement in device performance by insertion of PTCDI-C6 is attributed to a reduction in series resistance due to promoted metal migration into BCP and optimized optical interference effects in multilayered devices.

Original language	English (US)
Pages (from-to)	1390-1394
Number of pages	5
Journal	ACS Applied Materials and Interfaces
Volume	2
Issue number	5
DOIs	https://doi.org/10.1021/am100039m
State	Published - May 26 2010

Keywords

Bathocuproine
Exciton blocking layer
Organic solar cells
Perylene derivative

ASJC Scopus subject areas

General Materials Science

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10.1021/am100039m

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title = "Enhancement of device performance of organic solar cells by an interfacial perylene derivative layer",

abstract = "We report that device performance of organic solar cells consisting of zinc phthalocyanine and fullerene (C60) can be enhanced by insertion of a perylene derivative interfacial layer between fullerene and bathocuproine (BCP) exciton blocking layer (EBL). The morphology of the BCP is influenced by the underlying N,N′-dihexyl-perylene-3,4,9,10-bis(dicarboximide) (PTCDI-C6), which promotes migration of the cathode metal into the BCP layer. Insertion of a PTCDI-C6 layer between fullerene and BCP layers enhances the power conversion efficiency to 2.5%, an improvement of 32% over devices without PTCDI-C6 layer. The enhancement in device performance by insertion of PTCDI-C6 is attributed to a reduction in series resistance due to promoted metal migration into BCP and optimized optical interference effects in multilayered devices.",

keywords = "Bathocuproine, Exciton blocking layer, Organic solar cells, Perylene derivative",

author = "Inho Kim and Haverinen, {Hanna M.} and Jian Li and Jabbour, {Ghassan E.}",

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AU - Kim, Inho

AU - Haverinen, Hanna M.

AU - Li, Jian

AU - Jabbour, Ghassan E.

PY - 2010/5/26

Y1 - 2010/5/26

N2 - We report that device performance of organic solar cells consisting of zinc phthalocyanine and fullerene (C60) can be enhanced by insertion of a perylene derivative interfacial layer between fullerene and bathocuproine (BCP) exciton blocking layer (EBL). The morphology of the BCP is influenced by the underlying N,N′-dihexyl-perylene-3,4,9,10-bis(dicarboximide) (PTCDI-C6), which promotes migration of the cathode metal into the BCP layer. Insertion of a PTCDI-C6 layer between fullerene and BCP layers enhances the power conversion efficiency to 2.5%, an improvement of 32% over devices without PTCDI-C6 layer. The enhancement in device performance by insertion of PTCDI-C6 is attributed to a reduction in series resistance due to promoted metal migration into BCP and optimized optical interference effects in multilayered devices.

AB - We report that device performance of organic solar cells consisting of zinc phthalocyanine and fullerene (C60) can be enhanced by insertion of a perylene derivative interfacial layer between fullerene and bathocuproine (BCP) exciton blocking layer (EBL). The morphology of the BCP is influenced by the underlying N,N′-dihexyl-perylene-3,4,9,10-bis(dicarboximide) (PTCDI-C6), which promotes migration of the cathode metal into the BCP layer. Insertion of a PTCDI-C6 layer between fullerene and BCP layers enhances the power conversion efficiency to 2.5%, an improvement of 32% over devices without PTCDI-C6 layer. The enhancement in device performance by insertion of PTCDI-C6 is attributed to a reduction in series resistance due to promoted metal migration into BCP and optimized optical interference effects in multilayered devices.

KW - Bathocuproine

KW - Exciton blocking layer

KW - Organic solar cells

KW - Perylene derivative

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Enhancement of device performance of organic solar cells by an interfacial perylene derivative layer

Abstract

Keywords

ASJC Scopus subject areas

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