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Multistage effect in enhancing the field emission behaviour of ZnO branched nanostructures

Sugavaneshwar, RP and Nanda, Karuna Kar (2014) Multistage effect in enhancing the field emission behaviour of ZnO branched nanostructures. In: APPLIED PHYSICS LETTERS, 104 (22).

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Official URL: http://dx.doi.org/10.1063/1.4881595


We report the synthesis of branched ZnO nanostructures by vapour phase transport and their multistage effect in enhancing the field emission behaviour. First, the ZnO nanowires (first generation) are grown and second generation nanowires are grown on first one and so on to obtain the branched structures. The number of branches increases and the diameter of the branches decreases till the third generation nanowires. Fourth generation onwards, dense branched structures are obtained eventually yielding nanoforest-like morphology. The field emission behaviour is found to improve till the third generation and is assigned to smaller diameter of the branches. (C) 2014 AIP Publishing LLC.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the AMER INST PHYSICS, USA
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 22 Jul 2014 11:38
Last Modified: 22 Jul 2014 11:38
URI: http://eprints.iisc.ac.in/id/eprint/49418

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