Polymer photovoltaic devices using highly conductive poly(3,4-ethylenedioxythiophene-methanol) electrode

  • Youn Soo Kim
  • , Jong Hyeok Park
  • , Soo Hyoung Lee
  • , Youngkwan Lee*
  • *Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

Abstract

In this work, modified poly(3,4-ethylenedioxythiophene) (PEDOT) was used as an anode in polymer photovoltaic devices (PVDs) based on poly(3-hexylthiophene) (P3HT):[6,6]-phenyl-C60-butyric acid methyl ester (PCBM). We synthesized poly(3,4-ethylenedioxythiophene methanol) (PEDTM) with a transmittance of 87% (at 510 nm) and a conductivity of 700 S/cm. PEDTM was applied in photovoltaic devices as a hole transporting layer on indium-tin oxide (ITO) electrode as well as a direct anode layer. PVDs with PEDTM as hole transporting layers on ITO showed a very high short-circuit density of 14.87 mA/cm2 and power conversion efficiency of 2.67% under an illumination of AM 1.5 G (100 mW/cm2). In addition, we also fabricated ITO-free PVDs using PEDTM as an anode, which exhibited a performance of 0.61% with a result of Jsc of 4.48 mA/cm2, Voc of 0.51 V, and FF of 27%.

Original languageEnglish
Pages (from-to)1398-1403
Number of pages6
JournalSolar Energy Materials and Solar Cells
Volume93
Issue number8
DOIs
StatePublished - 2009.08

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

  • High conductivity
  • P3HT
  • PEDTM
  • Photovoltaic devices
  • Polymer electrode

Quacquarelli Symonds(QS) Subject Topics

  • Materials Science
  • Engineering - Electrical & Electronic

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