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26 March 2008 Schottky diode made on cellulose paper with PEDOT:PSS and pentacene
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Significant amount of pentacene can be dissolved in N-methylpyrrolidone (NMP) solvent. The solution color changed from deep purple to intense yellow. As the dissolution time increased, UV-visible absorption increased and several new absorption peaks were appeared. The solution was mixed with poly(3,4-ethylenedioxythiophene)poly(styrenesulfonate) (PEDOT:PSS). PEDOT:PSS or PEDOT:PSS doped with pentacene was spin-coated to the Al coated substrate. Au-electrode was fabricated on top of the semiconductor. Three-layered Schottkys diode comprised of Al, PEDOT:PSS or PEDOT:PSS-pentacene, and Au with thickness of 150nm, 420nm, and 1200nm, respectively were fabricated. The current densities of 4.8μA/cm2 at 2.5MV/m and 440μA/cm2 at 1.9MV/m were obtained for the Au/PEDOT:PSS/Al and Au/PEDOT:PSS-pentacene (3.2 mg)/Al Schottky diodes, respectively. The current density of Schottky diode enhanced about two order of magnitude by doping pentacene to PEDOT:PSS.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yi Chen, K. J. Han, K. H. Yoo, K. S. Kang, and Jaehwan Kim "Schottky diode made on cellulose paper with PEDOT:PSS and pentacene", Proc. SPIE 6931, Nanosensors and Microsensors for Bio-Systems 2008, 69310A (26 March 2008);

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