Glycerol-doped poly(3,4-ethylenedioxy-thiophene):Poly(styrene sulfonate) buffer layer for improved power conversion in organic photovoltaic devices

Min Sung Kim; Sung Kyu Park; Yong Hoon Kim; Jung Won Kang; Jeong In Han

doi:10.1149/1.3196243

Glycerol-doped poly(3,4-ethylenedioxy-thiophene):Poly(styrene sulfonate) buffer layer for improved power conversion in organic photovoltaic devices

Min Sung Kim, Sung Kyu Park, Yong Hoon Kim, Jung Won Kang, Jeong In Han

Department of Chemical and Biochemical Engineering

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

21 Scopus citations

Abstract

We investigated the influence of glycerol doping to poly(3,4-ethylenedioxy- thiophene):poly(styrene sulfonate) (PEDOT:PSS) on the power conversion efficiency (PCE) of the bulk heterojunction photovoltaic cells using poly(3-hexylthiophene) and phenyl-C61-butyric acid methyl ester. In particular, a correlation between PCE and changes in the conductivity, surface morphology, contact properties, and work function of glycerol-doped PEDOT:PSS(G-PEDOT:PSS) was investigated as a function of an added glycerol ratio. The PCE was increased from 2.5 to 3.3% by using the optimum glycerol doping ratio. It is believed that the improved PCE of the photovoltaics is possibly due to the increased short-circuit current from the enhanced hole carrying ability as well as the enlarged contact area of the doped buffer layer.

Original language	English
Pages (from-to)	H782-H785
Journal	Journal of the Electrochemical Society
Volume	156
Issue number	10
DOIs	https://doi.org/10.1149/1.3196243
State	Published - 2009

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title = "Glycerol-doped poly(3,4-ethylenedioxy-thiophene):Poly(styrene sulfonate) buffer layer for improved power conversion in organic photovoltaic devices",

abstract = "We investigated the influence of glycerol doping to poly(3,4-ethylenedioxy- thiophene):poly(styrene sulfonate) (PEDOT:PSS) on the power conversion efficiency (PCE) of the bulk heterojunction photovoltaic cells using poly(3-hexylthiophene) and phenyl-C61-butyric acid methyl ester. In particular, a correlation between PCE and changes in the conductivity, surface morphology, contact properties, and work function of glycerol-doped PEDOT:PSS(G-PEDOT:PSS) was investigated as a function of an added glycerol ratio. The PCE was increased from 2.5 to 3.3% by using the optimum glycerol doping ratio. It is believed that the improved PCE of the photovoltaics is possibly due to the increased short-circuit current from the enhanced hole carrying ability as well as the enlarged contact area of the doped buffer layer.",

author = "Kim, {Min Sung} and Park, {Sung Kyu} and Kim, {Yong Hoon} and Kang, {Jung Won} and Han, {Jeong In}",

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T1 - Glycerol-doped poly(3,4-ethylenedioxy-thiophene):Poly(styrene sulfonate) buffer layer for improved power conversion in organic photovoltaic devices

AU - Kim, Min Sung

AU - Park, Sung Kyu

AU - Kim, Yong Hoon

AU - Kang, Jung Won

AU - Han, Jeong In

PY - 2009

Y1 - 2009

N2 - We investigated the influence of glycerol doping to poly(3,4-ethylenedioxy- thiophene):poly(styrene sulfonate) (PEDOT:PSS) on the power conversion efficiency (PCE) of the bulk heterojunction photovoltaic cells using poly(3-hexylthiophene) and phenyl-C61-butyric acid methyl ester. In particular, a correlation between PCE and changes in the conductivity, surface morphology, contact properties, and work function of glycerol-doped PEDOT:PSS(G-PEDOT:PSS) was investigated as a function of an added glycerol ratio. The PCE was increased from 2.5 to 3.3% by using the optimum glycerol doping ratio. It is believed that the improved PCE of the photovoltaics is possibly due to the increased short-circuit current from the enhanced hole carrying ability as well as the enlarged contact area of the doped buffer layer.

AB - We investigated the influence of glycerol doping to poly(3,4-ethylenedioxy- thiophene):poly(styrene sulfonate) (PEDOT:PSS) on the power conversion efficiency (PCE) of the bulk heterojunction photovoltaic cells using poly(3-hexylthiophene) and phenyl-C61-butyric acid methyl ester. In particular, a correlation between PCE and changes in the conductivity, surface morphology, contact properties, and work function of glycerol-doped PEDOT:PSS(G-PEDOT:PSS) was investigated as a function of an added glycerol ratio. The PCE was increased from 2.5 to 3.3% by using the optimum glycerol doping ratio. It is believed that the improved PCE of the photovoltaics is possibly due to the increased short-circuit current from the enhanced hole carrying ability as well as the enlarged contact area of the doped buffer layer.

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VL - 156

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Glycerol-doped poly(3,4-ethylenedioxy-thiophene):Poly(styrene sulfonate) buffer layer for improved power conversion in organic photovoltaic devices

Abstract

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