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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/17410

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/17410

Title:	Excimer Laser Irradiation Induced Suppression of Off-state Leakage Current in Organic Transistors
Authors:	Chou, Wei-Yang;Lin, Shih-Ting;Cheng, Horng-Long;Tang, Fu-Ching;Lin, Yow-Jon;You, Chang-Feng;Wang, Yu-Wu
Contributors:	光電科技研究所
Keywords:	Laser beam effects;Leakage currents;Thin film transistors;Polymer films;Indium compounds;Electrodes;Work function;Integrated optoelectronics
Date:	2007-05
Issue Date:	2013-10-02T08:36:53Z
Publisher:	American Institute of Physics
Abstract:	The authors report the suppression of the off-state leakage current and subthreshold swing (SS) in inkjet-printed poly(3-hexylthiophene) thin-film transistors with asymmetric work function source and drain electrodes. Indium tin oxide (ITO) material was used as source/drain electrodes and the source electrode was irradiated by KrF excimer laser. The dominant mechanisms for the suppressive Ioff could be attributed to the increase in the work function of ITO source irradiated by the excimer laser. Lower trap state density formed on the laser irradiated source electrode. Holes could be easily injected into the channel at small lateral electric field resulting in smaller threshold voltage and SS.
Relation:	Applied Physics Letters, 90(22): 222103
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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