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Spray-coated organic solar cells with large-area of 12.25 cm2

  • Sun Young Park
  • , Yong Jin Kang
  • , Seunghun Lee
  • , Do Geun Kim
  • , Jong Kuk Kim
  • , Joo Hyun Kim
  • , Jae Wook Kang*
  • *Corresponding author for this work
  • Korea Institute of Materials Science
  • Pukyong National University

Research output: Contribution to journalJournal articlepeer-review

Abstract

This study evaluated the possibility of utilizing a spray-coating process for large-area organic solar cells (OSCs) combined with a metal electrode geometry. The effects of the cell area in spray-coated OSCs were investigated systematically by introducing a metal sub-electrode and grid-electrode to realize large-area cells of up to 12.25 cm2. The series resistance could be reduced significantly by inserting a metal grid-electrode into the indium tin oxide (ITO) anode, yielding a power conversion efficiency of 2.11% at a cell area of 12.25 cm2 and 2.49% at an effective photocurrent generated area of 11.23 cm2 under AM.1.5 simulated illumination. This is comparable to the 3.13% obtained in the cell produced by spray-coating at a cell area of 0.38 cm2.

Original languageEnglish
Pages (from-to)852-855
Number of pages4
JournalSolar Energy Materials and Solar Cells
Volume95
Issue number3
DOIs
StatePublished - 2011.03

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Large-area
  • Metal grid-electrode
  • Organic solar cell
  • Spray-coating process

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