Citation

YONG, T and TOU, T and YANG, R and TEO, B and YOW, H (2008) Properties of ITO on plastics and glass by Nd:YAG laser deposition at 355 and 532nm. Vacuum, 82 (12). 1445-1448 . ISSN 0042207X

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Abstract

Indium tin oxide (ITO) was deposited on polycarbonate (PC), polyethylene terephthalate (PET) and glass substrates at room temperature and in a low-pressure oxygen environment by a pulsed Nd:YAG laser at 355 and 532 nm. The ITO film resistivity varied with the oxygen pressure, which achieved the lowest value of 1.5 x 10(-3) Omega cm from the four-point probe measurements. The highest optical transmittance which depended on the target-to-substrate distance, was determined from UV-vis-NIR spectrophotometer. The highest optical transmission was 94% at 5 cm. The carrier concentration, of the order of 10(19) cm(-3) was determined from the Hall-effect measurements. Those films deposited at 355 nm of laser wavelength did show some better properties as compared to 532 nm. Attempts were made to use these ITO-coated plastic substrates for the fabrication of a organic light-emitting device that was based on single-layer, molecularly doped (poly(N-vinyl carbazole)) (PVK) with a mixture of tris(8-hydroxyquinoline) aluminum (III) (Alq(3)) and N,N'-bis (3-methylphenyl)-N,N'-bis-(phenyl)-benzidine (TPD) of 1:1 ratio. (C) 2008 Elsevier Ltd. All rights reserved.

Item Type:	Article
Subjects:	T Technology > T Technology (General) Q Science > QC Physics
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Suzilawati Abu Samah
Date Deposited:	09 Sep 2011 03:31
Last Modified:	09 Sep 2011 03:31
URII:	http://shdl.mmu.edu.my/id/eprint/2283

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