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Synthesis, Structural and Sensor Characterization of Ga-ZnO Nanodisk/Nanorods Prepared by One Step Polymer Assisted Hydrothermal Process on AlN/Si Substrate

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Abstract:

Synthesis and characterization of Ga-doped ZnO nanodisk and the formation of nanodisk/nanorod hybrid morphologies on AlN/Si substrate by polymer assisted one-pothydrothermal process have been studied. The morphology and structural properties were determined by field emission scanning electron microscopy (FESEM) and X-ray diffraction techniques. FESEM images clearly confirm the pure nanodisk formation for Ga-ZnO(0.5) at optimized ZnO concentration and hybrid nanodisk/nanorod formation obtained for Ga-ZnO (0.2) at lower ZnO concentration. The pure Ga-ZnO (0.5) nanodisk on AlN/Si thin film substrate showed effective response and fast recovery time towards UV light sensing in dark condition compared to low concentration route preparedGa-ZnO (0.2)/AlN/Si sample.

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Periodical:

Materials Science Forum (Volume 756)

Pages:

251-258

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.756.251

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Online since:

May 2013

Authors:

R. Jothi Ramalingam, G. Dinesh

Keywords:

Gallium, Polyethylenimine, X-Ray Photoelectron Spectrum, ZNO, ZnO Nanodisk

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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