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Journal of Materials Science: Materials in Electronics
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29-07-2016

Investigation on structural and magneto-optical properties of electrospun Co-doped SnO2 hollow nanofibers

Authors: P. Mohanapriya, N. Padmanathan, R. Pradeepkumar, K. Mani Rahulan, T. S. Natarajan

Published in: Journal of Materials Science: Materials in Electronics | Issue 12/2016

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Abstract

Pure and Co-doped SnO2 hollow nanofibers were successfully synthesized by electrospinning technique. The structures of as spun and hollow nanofibers were characterized with X-ray diffraction (XRD) and scanning electron microscope (SEM). We observe from the SEM images the formation of well-defined hollow nanofiber network with coarse morphology consisting of fine nanograins. The optical properties of Co doped SnO2 nanofiber was studied with the UV–Vis spectroscopy and photoluminescence. The strong emission band at violet-blue region for all the samples with different intensities confirm the presence of defects related luminescent centres in Co-doped SnO2 nanofibers. The magnetic measurement reveals that Co-doped SnO2 hollow nanofibers show room temperature ferromagnetism at the low field strengths. This may be due to the exchange interaction between the local magnetic moment of Co2+ ions and bound magnetic polarons (BMPs) of SnO2.
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Metadata
Title
Investigation on structural and magneto-optical properties of electrospun Co-doped SnO2 hollow nanofibers
Authors
P. Mohanapriya
N. Padmanathan
R. Pradeepkumar
K. Mani Rahulan
T. S. Natarajan
Publication date
29-07-2016
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 12/2016
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-5448-7

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