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Synthesis of Zinc Oxide Nanostructures by Microheaters in the Ambient Environment

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4 Author(s)
Wei-Chih Lin ; Dept. of Eng., Univ. of Cambridge, Cambridge, UK ; Chin-Jui Shih ; Ching-Chen Wu ; Ashwin A. Seshia

A catalyst-free synthesis of ZnO nanostructures using platinum microheaters under ambient environmental conditions has been developed. Different types of ZnO nanostructures are synthesized from the oxidization of Zn thin film by local heating. The characterization of two shapes of Pt microheaters is investigated and the relationship between the applied power for heat generation and ZnO nanostructure synthesis is investigated by local heating experiments under ambient conditions. Based on the developed heating approach, synthesis area, location, and morphologies of ZnO nanostructures can be controlled through the deposited thickness of Zn layer and applied heating voltages. Furthermore, a connected multiple-structure (Zn-ZnO-Zn) layer is synthesized using combinative multimicroheaters.

Published in:

IEEE Transactions on Nanotechnology  (Volume:12 ,  Issue: 1 )