Inverted Organic Solar Cells Fabricated with Room-Temperature-deposited Transparent Multilayer Electrodes

Jun Ho Kim, Sung Nam Kwon, Seok In Na, Young Zo Yoo, Tae Yeon Seong

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We investigated the electrical, optical, and structural properties of Al-doped ZnO (AZO)/Ag/AZO and indium gallium zinc oxide (IGZO)/Ag/IGZO multilayer films, and the performance of inverted organic solar cells (OSCs) fabricated with Sn-doped indium oxide (ITO), AZO/Ag/AZO, and IGZO/Ag/IGZO electrodes. Even though deposited at room temperature, AZO/Ag/AZO (36 nm/19 nm/36 nm) and IGZO/Ag/IGZO (39 nm/19 nm/39 nm) multilayer films showed sheet resistances of 4.1 and 4.2 Ω/sq, resistivities of 3.3 × 10−5 and 4.1 × 10−5 Ω cm, and transmittances of 93 and 88% at 550 nm, respectively. Figures of merit (FOMs) were obtained to be 99.9 and 49.9 × 10−3 Ω−1 for the AZO/Ag/AZO and IGZO/Ag/IGZO films, respectively. Inverted OSCs fabricated using the as-deposited AZO/Ag/AZO and IGZO/Ag/IGZO electrodes produced power conversion efficiencies (PCEs) of 2.4 and 2.6%, respectively, while that with high-temperature annealed ITO electrode gave a PCE of 3.2%.

Original languageEnglish
Pages (from-to)856-860
Number of pages5
JournalBulletin of the Korean Chemical Society
Volume38
Issue number8
DOIs
Publication statusPublished - 2017 Aug 1

Keywords

  • Al-doped ZnO
  • Indium gallium zinc oxide
  • Inverted organic solar cells
  • Oxide/metal/oxide
  • Transparent electrodes

ASJC Scopus subject areas

  • Chemistry(all)

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