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Enhanced tribological performance of CuS thin film on Si substrate: the case of APS-PAA buffer layer

Enhanced tribological performance of CuS thin film on Si substrate: the case of APS-PAA buffer layer Purpose – The purpose of this paper was to demonstrate the influence of a 3-aminopropyl-triethoxysilane–polyacrylic acid (amino propyl silane (APS)-PAA) buffer layer on the tribological performance of copper sulfide (CuS) thin film on silicon (Si) substrate. Design/methodology/approach – The APS-PAA buffer layer was first deposited on Si substrate by a self-assembling method. Then, the deposited film was coated by a CuS film by a successive ionic layer absorption and reaction (SILAR) method. The structures and morphologies of the prepared films were characterized by X-ray diffraction and atomic force microscopy. The results showed that the prepared CuS film with a PAA-APS double layer had a good crystallinity and surface morphology. The tribological performance of the prepared film was analyzed on UMT-2 tribometer and scanning electric microscope. Findings – With use of an APS-PAA buffer layer, the CuS thin films became compact, smooth and uniform. The tribological performance of the CuS film was greatly enhanced by using an APS-PAA buffer layer. Originality/value – The paper is the first to demonstrate that the CuS film exhibited enhanced structure, morphology and tribological characteristics by using an APS-PAA buffer layer. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Industrial Lubrication and Tribology Emerald Publishing

Enhanced tribological performance of CuS thin film on Si substrate: the case of APS-PAA buffer layer

Industrial Lubrication and Tribology , Volume 67 (1): 4 – Feb 9, 2015

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References (12)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0036-8792
DOI
10.1108/ILT-06-2012-0054
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper was to demonstrate the influence of a 3-aminopropyl-triethoxysilane–polyacrylic acid (amino propyl silane (APS)-PAA) buffer layer on the tribological performance of copper sulfide (CuS) thin film on silicon (Si) substrate. Design/methodology/approach – The APS-PAA buffer layer was first deposited on Si substrate by a self-assembling method. Then, the deposited film was coated by a CuS film by a successive ionic layer absorption and reaction (SILAR) method. The structures and morphologies of the prepared films were characterized by X-ray diffraction and atomic force microscopy. The results showed that the prepared CuS film with a PAA-APS double layer had a good crystallinity and surface morphology. The tribological performance of the prepared film was analyzed on UMT-2 tribometer and scanning electric microscope. Findings – With use of an APS-PAA buffer layer, the CuS thin films became compact, smooth and uniform. The tribological performance of the CuS film was greatly enhanced by using an APS-PAA buffer layer. Originality/value – The paper is the first to demonstrate that the CuS film exhibited enhanced structure, morphology and tribological characteristics by using an APS-PAA buffer layer.

Journal

Industrial Lubrication and TribologyEmerald Publishing

Published: Feb 9, 2015

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