Cun+-assisted synthesis of multi- and single-phase yttrium oxide nanosheets

Xingliang He; Yan Zhou; Hong Liang

doi:10.1039/C3TC31321B

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Cuⁿ⁺-assisted synthesis of multi- and single-phase yttrium oxide nanosheets†

Xingliang He,^a Yan Zhou^b and Hong Liang*^ab

Author affiliations

* Corresponding authors

^a Department of Mechanical Engineering, Texas A&M University, College Station, Texas 77843, USA
E-mail: hliang@tamu.edu
Fax: +1-979-845-3081
Tel: +1-979-862-2623

^b Materials Science & Engineering, Texas A&M University, College Station, Texas 77843, USA

Abstract

A facile hydrothermal method was used to synthesize multi- and single-phase yttrium oxide (Y₂O₃) nanosheets (NS). Interestingly, using copper ions as catalysts, phase transformation from multiphase Y₂O₃ NS to single-phase cubic Y₂O₃ NS was observed. The multiphase Y₂O₃ NS-based metal–semiconductor (M–S) junction was found to be a Schottky barrier-based diode. The single-phase cubic Y₂O₃ NS was found to have negative resistance as an M–S junction. This is due to localized redox reaction/junction electronics. This research would benefit design and development of future microelectronic devices.

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Article information

DOI: https://doi.org/10.1039/C3TC31321B
Article type: Paper
Submitted: 10 Jul 2013
Accepted: 20 Aug 2013
First published: 22 Aug 2013

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J. Mater. Chem. C, 2013,1, 6829-6834

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Cuⁿ⁺-assisted synthesis of multi- and single-phase yttrium oxide nanosheets

X. He, Y. Zhou and H. Liang, J. Mater. Chem. C, 2013, 1, 6829 DOI: 10.1039/C3TC31321B

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Journal of Materials Chemistry C