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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 2
BKCSDE 24(2)
February 20, 2003 

 
Title
Additive Fabrication of Patterned Multi-Layered Thin Films of Ta2O5 and CdS on ITO Using Microcontact Printing Technique
Author
Jong Hyeon Lee, Soo Yeun Woo, Young-Uk Kwon, Duk Young Jung
Keywords
Patterned thin films, Micro-contact printing, Multi-layer deposition, Ta2O5, CdS
Abstract
The micro-patterning of multi-layered thin films containing CdS and Ta2O5 layers on ITO substrate with various structures was successfully obtained by combining three different techniques: chemical solution depositions, sol-gel, and microcontact printing ( mCP) methods using octadecyltrichlorosilane (OTS) as the organic thin layer template. Ta2O5 layer was prepared by sol-gel casting and CdS one obtained by chemical solution deposition, respectively. Parallel and cross patterns of multi-layers with Ta2O5 and CdS films were fabricated additively by successive removal of OTS layer pre-formed. This study presents the designed architectures consisting of the two types of feature having horizontal dimensions of 170 mm and 340 mm with constant thickness ca. 150 nm of each deposited materials. The thin film lay-out of the cross-patterning is composed of four regions with chemically different layer compositions, which are confirmed by Auger electron microanalysis.
Page
183 - 188
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