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Original Articles

Controllable Growth of Functional Gradient ZnO Material Using Chemical Vapor Deposition

, , , , , , , , , & show all
Pages 1-6 | Received 12 Aug 2013, Accepted 07 Feb 2014, Published online: 14 May 2014
 

Abstract

As a kind of semiconductor material, the morphology of zinc oxide directly affects its physical properties. By adjusting the ratio of the reaction source and the rate of the incoming gas flow, we obtained one-dimensional nanowire and two-dimensional nanoflag-like functional gradient material (FGM) using chemical vapor deposition (CVD) method. Compared with the one-dimensional nanowires, the growth of the two-dimensional ZnO FGM not only c-oriented, but other directions are also appeared. Photoluminescence results show that the FGM has a higher visible/UV emission intensity ratio than the nanowires for several orders of magnitudes. Meanwhile, the growth mechanism of these nanostructures were discussed in details.

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