Highly conductive PEDOT/silicate hybrid anode for ITO-free polymer solar cells

Youn Soo Kim, Seok Bin Oh, Jong Hyeok Park, Mi Suk Cho, Youngkwan Lee

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

In this work, we prepared ITO-free photovoltaic devices (PVDs) using a transparent poly(3,4-ethylenedioxythiophene):silicate (PEDOT:SiOx) composite anode equipped with low surface resistance and high transparency. A mixture of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C60 butyric acid methyl ester (PCBM) was used as a photoactive layer. PEDOT:SiOx film was fabricated with an inorganic silicate network via the oxidative polymerization of EDOT and in-situ sol-gel process of TEOS, which should allow enhanced adhesion and bonding strength between the conducting polymers and the glass substrates to be obtained without any significant deterioration of the desired electronic properties of the conducting polymers. The transmittance and surface resistance of the PEDOT:SiOx film were varied in the ranges of 55-94% at 510 nm and 80-380 Ω/sq, respectively. The power conversion efficiency of the ITO-free PVD with PEDOT:SiOx anode was ca 1.2% under an illumination of AM 1.5 G (100 mW/cm2).

Original languageEnglish
Pages (from-to)471-477
Number of pages7
JournalSolar Energy Materials and Solar Cells
Volume94
Issue number3
DOIs
Publication statusPublished - 2010 Mar 1

Fingerprint

Silicates
Surface resistance
Conducting polymers
Anodes
Butyric acid
Butyric Acid
Electronic properties
Transparency
Sol-gel process
Conversion efficiency
Deterioration
Esters
Adhesion
Lighting
Polymerization
Glass
Composite materials
Substrates
Polymer solar cells
poly(3-hexylthiophene)

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Cite this

Soo Kim, Youn ; Bin Oh, Seok ; Park, Jong Hyeok ; Suk Cho, Mi ; Lee, Youngkwan. / Highly conductive PEDOT/silicate hybrid anode for ITO-free polymer solar cells. In: Solar Energy Materials and Solar Cells. 2010 ; Vol. 94, No. 3. pp. 471-477.
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Highly conductive PEDOT/silicate hybrid anode for ITO-free polymer solar cells. / Soo Kim, Youn; Bin Oh, Seok; Park, Jong Hyeok; Suk Cho, Mi; Lee, Youngkwan.

In: Solar Energy Materials and Solar Cells, Vol. 94, No. 3, 01.03.2010, p. 471-477.

Research output: Contribution to journalArticle

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AB - In this work, we prepared ITO-free photovoltaic devices (PVDs) using a transparent poly(3,4-ethylenedioxythiophene):silicate (PEDOT:SiOx) composite anode equipped with low surface resistance and high transparency. A mixture of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C60 butyric acid methyl ester (PCBM) was used as a photoactive layer. PEDOT:SiOx film was fabricated with an inorganic silicate network via the oxidative polymerization of EDOT and in-situ sol-gel process of TEOS, which should allow enhanced adhesion and bonding strength between the conducting polymers and the glass substrates to be obtained without any significant deterioration of the desired electronic properties of the conducting polymers. The transmittance and surface resistance of the PEDOT:SiOx film were varied in the ranges of 55-94% at 510 nm and 80-380 Ω/sq, respectively. The power conversion efficiency of the ITO-free PVD with PEDOT:SiOx anode was ca 1.2% under an illumination of AM 1.5 G (100 mW/cm2).

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