Enhanced power conversion efficiency of p-i-n type organic solar cells by employing a p -layer of palladium phthalocyanine

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

doi:10.1063/1.3507387

Enhanced power conversion efficiency of p-i-n type organic solar cells by employing a p -layer of palladium phthalocyanine

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

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

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Abstract

We demonstrate an enhancement in the power conversion efficiency (PCE) of p-i-n type organic solar cells consisting of zinc phthalocyanine (ZnPc) and fullerene (C60) using a p -layer of palladium phthalocyanine (PdPc). Solar cells employing three different device structures such as ZnPc/ZnPc:C₆₀/ C60, PdPc/PdPc:C₆₀/ C60, and PdPc/ZnPc:C₆₀/ C60 with varying thickness of mixed interlayers were fabricated by thermal evaporation. The mixed i -layers were deposited by co-evaporation of MPc (M=Zn,Pd) and C60 by 1:1 ratio. PCE of 3.7% was obtained for optimized cells consisting of PdPc/ZnPc: C60 / C60, while cells with device structure of ZnPc/ZnPc: C60 / C60 showed PCE of 3.2%.

Original language	English (US)
Article number	203301
Journal	Applied Physics Letters
Volume	97
Issue number	20
DOIs	https://doi.org/10.1063/1.3507387
State	Published - Nov 15 2010

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Enhanced power conversion efficiency of p-i-n type organic solar cells by employing a p -layer of palladium phthalocyanine",

abstract = "We demonstrate an enhancement in the power conversion efficiency (PCE) of p-i-n type organic solar cells consisting of zinc phthalocyanine (ZnPc) and fullerene (C60) using a p -layer of palladium phthalocyanine (PdPc). Solar cells employing three different device structures such as ZnPc/ZnPc:C60/ C60, PdPc/PdPc:C60/ C60, and PdPc/ZnPc:C60/ C60 with varying thickness of mixed interlayers were fabricated by thermal evaporation. The mixed i -layers were deposited by co-evaporation of MPc (M=Zn,Pd) and C60 by 1:1 ratio. PCE of 3.7% was obtained for optimized cells consisting of PdPc/ZnPc: C60 / C60, while cells with device structure of ZnPc/ZnPc: C60 / C60 showed PCE of 3.2%.",

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

note = "Funding Information: The authors thank the Advanced Photovoltaics Center and the National Science Foundation for the partial support of this work (Grant No. CBET-0756148). H.M.H and G.E.J. also acknowledge the Graduate School of Modern Optics and Photonics and the FiDiPro of Finland for their support. The authors acknowledge Dr. Parul Dhagat{\textquoteright}s critical reading of the manuscript.",

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AU - Jabbour, Ghassan E.

N1 - Funding Information: The authors thank the Advanced Photovoltaics Center and the National Science Foundation for the partial support of this work (Grant No. CBET-0756148). H.M.H and G.E.J. also acknowledge the Graduate School of Modern Optics and Photonics and the FiDiPro of Finland for their support. The authors acknowledge Dr. Parul Dhagat’s critical reading of the manuscript.

PY - 2010/11/15

Y1 - 2010/11/15

N2 - We demonstrate an enhancement in the power conversion efficiency (PCE) of p-i-n type organic solar cells consisting of zinc phthalocyanine (ZnPc) and fullerene (C60) using a p -layer of palladium phthalocyanine (PdPc). Solar cells employing three different device structures such as ZnPc/ZnPc:C60/ C60, PdPc/PdPc:C60/ C60, and PdPc/ZnPc:C60/ C60 with varying thickness of mixed interlayers were fabricated by thermal evaporation. The mixed i -layers were deposited by co-evaporation of MPc (M=Zn,Pd) and C60 by 1:1 ratio. PCE of 3.7% was obtained for optimized cells consisting of PdPc/ZnPc: C60 / C60, while cells with device structure of ZnPc/ZnPc: C60 / C60 showed PCE of 3.2%.

AB - We demonstrate an enhancement in the power conversion efficiency (PCE) of p-i-n type organic solar cells consisting of zinc phthalocyanine (ZnPc) and fullerene (C60) using a p -layer of palladium phthalocyanine (PdPc). Solar cells employing three different device structures such as ZnPc/ZnPc:C60/ C60, PdPc/PdPc:C60/ C60, and PdPc/ZnPc:C60/ C60 with varying thickness of mixed interlayers were fabricated by thermal evaporation. The mixed i -layers were deposited by co-evaporation of MPc (M=Zn,Pd) and C60 by 1:1 ratio. PCE of 3.7% was obtained for optimized cells consisting of PdPc/ZnPc: C60 / C60, while cells with device structure of ZnPc/ZnPc: C60 / C60 showed PCE of 3.2%.

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Enhanced power conversion efficiency of p-i-n type organic solar cells by employing a p -layer of palladium phthalocyanine

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