In situ nondestructive impedance spectroscopic study of nanostructured heterojunction organic photovoltaic cells

Sou Ryuzaki, Jun Onoe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The equivalent circuit model of the heterojunction organic photovoltaic (OPV) cells consisting of 20-nm-thick zinc-octaethylporphyrin [Zn(OEP)] and 30 nm-thick C60 films respectively used as donor and acceptor layers has been determined using impedance spectroscopy under dark and illumination (100mW/cm2, AM1.5) conditions. Under dark condition, the equivalent circuit consisting of a series resistance and two-RC (R: resistance, C: capacitance) circuits corresponding to individual layers well reproduced the impedance spectra. On the other hand, the four-RC circuit model, in which the additional two RC circuits corresponded to individual films in the vicinity of the Zn(OEP)/C60 interface, could explain the impedance spectra obtained under illumination condition.

Original languageEnglish
Article number06GD03
JournalJapanese Journal of Applied Physics
Volume52
Issue number6 PART 2
DOIs
Publication statusPublished - Jun 1 2013
Externally publishedYes

Fingerprint

Photovoltaic cells
photovoltaic cells
RC circuits
Heterojunctions
heterojunctions
impedance
equivalent circuits
Equivalent circuits
Networks (circuits)
Lighting
illumination
Thick films
thick films
Zinc
Capacitance
zinc
capacitance
Spectroscopy
spectroscopy

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

In situ nondestructive impedance spectroscopic study of nanostructured heterojunction organic photovoltaic cells. / Ryuzaki, Sou; Onoe, Jun.

In: Japanese Journal of Applied Physics, Vol. 52, No. 6 PART 2, 06GD03, 01.06.2013.

Research output: Contribution to journalArticle

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