✦ LIBER ✦

Synthesis and field emission properties of SnO2 nanowalls

✍ Scribed by L. J. Li; K. Yu; Y. Wang

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 193 KB
Volume: 44
Category: Article
ISSN: 0232-1300
DOI: 10.1002/crat.200900342

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✦ Synopsis

Abstract

SnO~2~ nanowalls were synthesized on silicon substrate by the thermal chemical vapor transport method at a low temperature of around 650 °C under atmospheric pressure. The microstructure and morphology of the SnO~2~ nanowalls were evaluated by using scanning electron microscopies and X‐ray diffraction. Room temperature photoluminescence spectra of the nanowalls showed a broad emission band centering at about 530 nm. Field emission measurements demonstrated that the nanowalls possessed good performance with a turn‐on field of ∼3.5 V/μm and a threshold field of ∼6.1 V/μm. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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