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Preparation and Field Emission Properties of Ag-CNTs by Electroless Plating

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Abstract:

Carbon nanotubes (CNTs) demonstrate attractive characteristics as cold cathode emitters for high aspect ratio, small radius of curvature, high mechanical strength and chemical stability. In this article, Ag-CNTs were prepared by a series of processes including acid-treating, sensitizing, activating and electroless plating. Then Ag-CNTs cathode were sucessfully fabricated by electrophoresis deposition (EPD) method. The morphologies of Ag-CNTs cathode and pristine CNTs cathode were observed by scanning electron microscopy (SEM). The results showed that the field emission properties of Ag-CNTs cathode were better than pristine CNTs cathode, for presenting lower turn-on field, larger emission current density, more stabilization and longer lifetime. Thus it can be seen that the Ag-CNTs cathode can improve the characteristics of carbon nanotubes field emission display (CNT-FED).

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Periodical:

Advanced Materials Research (Volumes 148-149)

Pages:

983-986

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.148-149.983

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Online since:

October 2010

Authors:

Yu Xiang You, Yun Ye, Yi Jing Su, Qiao Zhi Tang, Tai Liang Guo

Keywords:

Ag-CNTs, Carbon Nanotube (CN), Electroless Plating (EP), Field Emission

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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