Schottky diode made on cellulose paper with PEDOT:PSS and pentacene

Yi Chen; K. J. Han; K. H. Yoo; K. S. Kang; Jaehwan Kim

doi:10.1117/12.776581

26 March 2008 Schottky diode made on cellulose paper with PEDOT:PSS and pentacene

Yi Chen, K. J. Han, K. H. Yoo, K. S. Kang, Jaehwan Kim

Proceedings Volume 6931, Nanosensors and Microsensors for Bio-Systems 2008; 69310A (2008) https://doi.org/10.1117/12.776581
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

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.

Citation Download Citation

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); https://doi.org/10.1117/12.776581

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