Correlation of hole mobility, exciton diffusion length, and solar cell characteristics in phthalocyanine/fullerene organic solar cells

Yuhki Terao, Hiroyuki Sasabe, Chihaya Adachi

Research output: Contribution to journalArticle

158 Citations (Scopus)

Abstract

The authors investigated heterojunction organic solar cells composed of different metal phthalocyanines (MPcs, M=Fe, Co, Ni, Cu, and H2) /fullerene (C60) and compared the solar cell characteristics with the field-effect hole mobilities (μh) and exciton diffusion length (Lex) of the different MPcs. They observed that the short circuit current (JSC) is linearly dependent on the μh of the MPcs, except for ZnPc. They also estimated the Lex of the MPcs by creating a line of best fit using the action spectra of the external quantum efficiency in the solar cells and found that JSC is closely correlated with the Lex of the MPcs.

Original languageEnglish
Article number103515
JournalApplied Physics Letters
Volume90
Issue number10
DOIs
Publication statusPublished - Mar 16 2007

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hole mobility
diffusion length
fullerenes
solar cells
excitons
short circuit currents
heterojunctions
quantum efficiency
metals

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Correlation of hole mobility, exciton diffusion length, and solar cell characteristics in phthalocyanine/fullerene organic solar cells. / Terao, Yuhki; Sasabe, Hiroyuki; Adachi, Chihaya.

In: Applied Physics Letters, Vol. 90, No. 10, 103515, 16.03.2007.

Research output: Contribution to journalArticle

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