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Proceedings Paper

Flexible polymer electronic devices using highly conductive polyaniline electrode
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Paper 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 %.

Paper Details

Date Published: 27 August 2009
PDF: 9 pages
Proc. SPIE 7416, Organic Photovoltaics X, 74161F (27 August 2009); doi: 10.1117/12.825831
Show Author Affiliations
Byoung Hoon Lee, Gwangju Institute of Science and Technology (Korea, Republic of)
Hyung Cheol Back, Gwangju Institute of Science and Technology (Korea, Republic of)
Sung Heum Park, Gwangju Institute of Science and Technology (Korea, Republic of)
Kwanghee Lee, Gwangju Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 7416:
Organic Photovoltaics X
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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