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 journalArticle

19 Citations (Scopus)

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 languageEnglish (US)
Article number203301
JournalApplied Physics Letters
Volume97
Issue number20
DOIs
StatePublished - Nov 15 2010

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palladium
zinc
solar cells
evaporation
cells
fullerenes
interlayers
augmentation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Enhanced power conversion efficiency of p-i-n type organic solar cells by employing a p -layer of palladium phthalocyanine. / Kim, Inho; Haverinen, Hanna M.; Li, Jian; Jabbour, Ghassan E.

In: Applied Physics Letters, Vol. 97, No. 20, 203301, 15.11.2010.

Research output: Contribution to journalArticle

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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{\%}.",
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