Flexible polymer electronic devices using highly conductive polyaniline electrode

Byoung Hoon Lee; Hyung Cheol Back; Sung Heum Park; Kwanghee Lee

doi:10.1117/12.825831

27 August 2009 Flexible polymer electronic devices using highly conductive polyaniline electrode

Byoung Hoon Lee, Hyung Cheol Back, Sung Heum Park, Kwanghee Lee

Author Affiliations +

Proceedings Volume 7416, Organic Photovoltaics X; 74161F (2009) https://doi.org/10.1117/12.825831
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

Camphor sulfonic acid doped conducting polyaniline (PANI:CSA) was synthesized by self-stabilized dispersion polymerization (SSDP). Well ordered polymer chains grow at the interface between aqueous and organic phase at low temperature around -35 °C. Thus, the growing polymer chains act as a stabilizer, producing high quality polyaniline with high electrical conductivity and with low content of structural defects. Moreover, the PANI:CSA thin film shows an apparent Drude peak in the infrared region with a high d.c. conductivity of 550 Scm^-1, and a high transmittance in the visible region. Using this highly conducting polyaniline as a transparent electrode, flexible polymer light-emitting diodes (PLEDs) and flexible polymer solar cells (PSCs) were fabricated on flexible poly(ethersulfone) (PES) substrates. The flexible PLEDs show high performance with a luminance of 2300 cdm^-2 and a luminous efficiency of 1.6 cdA^-1. In addition, flexible PSCs based on composites of regioregular poly (3-hexylthiophene) (rr-P3HT) as an electron donor and phenyl-C₆₁-butyric acid methyl ester (PCBM) as an electron acceptor exhibit a reasonable power conversion efficiency (PCE) of 1.8 %.

Citation Download Citation

Byoung Hoon Lee, Hyung Cheol Back, Sung Heum Park, and Kwanghee Lee "Flexible polymer electronic devices using highly conductive polyaniline electrode", Proc. SPIE 7416, Organic Photovoltaics X, 74161F (27 August 2009); https://doi.org/10.1117/12.825831

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