End-capping effect of a narrow bandgap conjugated polymer on bulk heterojunction solar cells

Jin Kuen Park; Jang Jo; Jung Hwa Seo; Ji Sun Moon; Yeong Don Park; Kwanghee Lee; Alan J. Heeger; Guillermo C. Bazan

doi:10.1002/adma.201004629

End-capping effect of a narrow bandgap conjugated polymer on bulk heterojunction solar cells

Jin Kuen Park, Jang Jo, Jung Hwa Seo, Ji Sun Moon, Yeong Don Park, Kwanghee Lee, Alan J. Heeger, Guillermo C. Bazan

Department of Physics

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

167 Scopus citations

Abstract

Device performances of BHJ solar cells based on poly[(4,4 didodecyldithieno[3,2 b:2',3' d]silole)2,6 diyl alt (2,1,3 benzoxadiazole) 4,7 diyl]and PC₇₁BM improve by capping the chain ends with thiophene fragments. This structural modification yields materials that are more thermally robust and that can be used in devices with thicker films important considerations for enabling the mass production of plastic solar cells.

Original language	English
Pages (from-to)	2430-2435
Number of pages	6
Journal	Advanced Materials
Volume	23
Issue number	21
DOIs	https://doi.org/10.1002/adma.201004629
State	Published - 3 Jun 2011

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abstract = "Device performances of BHJ solar cells based on poly[(4,4 didodecyldithieno[3,2 b:2',3' d]silole)2,6 diyl alt (2,1,3 benzoxadiazole) 4,7 diyl]and PC71BM improve by capping the chain ends with thiophene fragments. This structural modification yields materials that are more thermally robust and that can be used in devices with thicker films important considerations for enabling the mass production of plastic solar cells.",

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AU - Park, Jin Kuen

AU - Jo, Jang

AU - Seo, Jung Hwa

AU - Moon, Ji Sun

AU - Park, Yeong Don

AU - Lee, Kwanghee

AU - Heeger, Alan J.

AU - Bazan, Guillermo C.

PY - 2011/6/3

Y1 - 2011/6/3

N2 - Device performances of BHJ solar cells based on poly[(4,4 didodecyldithieno[3,2 b:2',3' d]silole)2,6 diyl alt (2,1,3 benzoxadiazole) 4,7 diyl]and PC71BM improve by capping the chain ends with thiophene fragments. This structural modification yields materials that are more thermally robust and that can be used in devices with thicker films important considerations for enabling the mass production of plastic solar cells.

AB - Device performances of BHJ solar cells based on poly[(4,4 didodecyldithieno[3,2 b:2',3' d]silole)2,6 diyl alt (2,1,3 benzoxadiazole) 4,7 diyl]and PC71BM improve by capping the chain ends with thiophene fragments. This structural modification yields materials that are more thermally robust and that can be used in devices with thicker films important considerations for enabling the mass production of plastic solar cells.

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DO - 10.1002/adma.201004629

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JO - Advanced Materials

JF - Advanced Materials

IS - 21

ER -

End-capping effect of a narrow bandgap conjugated polymer on bulk heterojunction solar cells

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