Highly efficient organic photovoltaic cells with molybdenum oxide buffer layer

Jaewook Jung; Donghwan Kim; Won Suk Shin; Sang Jin Moon; Changjin Lee; Sung Cheol Yoon

doi:10.1143/JJAP.49.05EB05

Highly efficient organic photovoltaic cells with molybdenum oxide buffer layer

Jaewook Jung, Donghwan Kim, Won Suk Shin, Sang Jin Moon, Changjin Lee, Sung Cheol Yoon

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

11 Citations (Scopus)

Abstract

For improving the power conversion efficiency and fill factor of the organic photovoltaic cells (OPVs), molybdenum oxide (MoO₃) can be used as a buffer layer. In this study, we fabricated OPVs by inserting a thin and transparent molybdenum oxide (MoO₃) layer between the transparent indium tin oxide (ITO) and the organic photoactive layer, with the configuration of ITO/MoO₃ (10 nm)/poly(3-hexylthiophene) (P3HT) and [6,6]- phenyl C61 butyric acid methyl ester (PC₆₀BM)/lithium fluoride (LiF)/Al. By spin-coating, the device showed power conversion efficiencies as high as 4.2% under AM 1.5G (100mW/cm₂), enhanced fill factor of 0.67, a short circuit current density (Jsc) of 9.32 mA/cm₂, and open-circuit voltage (Voc) of 0.67 V. In the case of flexible OPVs, device with 10-μm-thick MoO₃ buffer or 45-μm-thick PEDOT:PSS buffer exhibited the power conversion efficiency (PCE) and fill factor (FF) of 1.54% and 0.44 or 0.76% and 0.30, respectively.

Original language	English
Pages (from-to)	05EB051-05EB054
Journal	Japanese journal of applied physics
Volume	49
Issue number	5 PART 2
DOIs	https://doi.org/10.1143/JJAP.49.05EB05
Publication status	Published - 2010 May

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General Engineering
General Physics and Astronomy

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title = "Highly efficient organic photovoltaic cells with molybdenum oxide buffer layer",

abstract = "For improving the power conversion efficiency and fill factor of the organic photovoltaic cells (OPVs), molybdenum oxide (MoO3) can be used as a buffer layer. In this study, we fabricated OPVs by inserting a thin and transparent molybdenum oxide (MoO3) layer between the transparent indium tin oxide (ITO) and the organic photoactive layer, with the configuration of ITO/MoO3 (10 nm)/poly(3-hexylthiophene) (P3HT) and [6,6]- phenyl C61 butyric acid methyl ester (PC60BM)/lithium fluoride (LiF)/Al. By spin-coating, the device showed power conversion efficiencies as high as 4.2% under AM 1.5G (100mW/cm2), enhanced fill factor of 0.67, a short circuit current density (Jsc) of 9.32 mA/cm2, and open-circuit voltage (Voc) of 0.67 V. In the case of flexible OPVs, device with 10-μm-thick MoO3 buffer or 45-μm-thick PEDOT:PSS buffer exhibited the power conversion efficiency (PCE) and fill factor (FF) of 1.54% and 0.44 or 0.76% and 0.30, respectively.",

author = "Jaewook Jung and Donghwan Kim and Shin, {Won Suk} and Moon, {Sang Jin} and Changjin Lee and Yoon, {Sung Cheol}",

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AU - Jung, Jaewook

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AU - Shin, Won Suk

AU - Moon, Sang Jin

AU - Lee, Changjin

AU - Yoon, Sung Cheol

PY - 2010/5

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N2 - For improving the power conversion efficiency and fill factor of the organic photovoltaic cells (OPVs), molybdenum oxide (MoO3) can be used as a buffer layer. In this study, we fabricated OPVs by inserting a thin and transparent molybdenum oxide (MoO3) layer between the transparent indium tin oxide (ITO) and the organic photoactive layer, with the configuration of ITO/MoO3 (10 nm)/poly(3-hexylthiophene) (P3HT) and [6,6]- phenyl C61 butyric acid methyl ester (PC60BM)/lithium fluoride (LiF)/Al. By spin-coating, the device showed power conversion efficiencies as high as 4.2% under AM 1.5G (100mW/cm2), enhanced fill factor of 0.67, a short circuit current density (Jsc) of 9.32 mA/cm2, and open-circuit voltage (Voc) of 0.67 V. In the case of flexible OPVs, device with 10-μm-thick MoO3 buffer or 45-μm-thick PEDOT:PSS buffer exhibited the power conversion efficiency (PCE) and fill factor (FF) of 1.54% and 0.44 or 0.76% and 0.30, respectively.

AB - For improving the power conversion efficiency and fill factor of the organic photovoltaic cells (OPVs), molybdenum oxide (MoO3) can be used as a buffer layer. In this study, we fabricated OPVs by inserting a thin and transparent molybdenum oxide (MoO3) layer between the transparent indium tin oxide (ITO) and the organic photoactive layer, with the configuration of ITO/MoO3 (10 nm)/poly(3-hexylthiophene) (P3HT) and [6,6]- phenyl C61 butyric acid methyl ester (PC60BM)/lithium fluoride (LiF)/Al. By spin-coating, the device showed power conversion efficiencies as high as 4.2% under AM 1.5G (100mW/cm2), enhanced fill factor of 0.67, a short circuit current density (Jsc) of 9.32 mA/cm2, and open-circuit voltage (Voc) of 0.67 V. In the case of flexible OPVs, device with 10-μm-thick MoO3 buffer or 45-μm-thick PEDOT:PSS buffer exhibited the power conversion efficiency (PCE) and fill factor (FF) of 1.54% and 0.44 or 0.76% and 0.30, respectively.

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Highly efficient organic photovoltaic cells with molybdenum oxide buffer layer

Abstract

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