NDLI: Surface functionalization-enhanced magnetism in SnO<sub>2</sub> nanoparticles and its correlation to photoluminescence properties

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Inside back cover

Back cover

Journal of Materials Chemistry C Vol - 3 Issue - 5

Journal of Materials Chemistry C Vol -2

Journal of Materials Chemistry C Vol -1

Surface functionalization-enhanced magnetism in SnO₂ nanoparticles and its correlation to photoluminescence properties

Content Provider	Royal Society of Chemistry (RSC)
Author	Dhara, Sandip Das, Arindam Tyagi, Ashok Kumar Sardar, Manas Bonu, Venkataramana
Copyright Year	2015
Abstract	A high value of magnetic moment of 0.08 emu g−1 at room temperature for SnO2 nanoparticles (NPs) was observed. Surface functionalization with octadecyltrichlorosilane (OTS) enhanced the saturation magnetic moment of NPs to an anomalously high value of 0.187 emu g−1 by altering the electronic configuration on the NPs surface. Surface functionalization also suppressed photoluminescence (PL) peaks arising from oxygen defects around 2 eV and caused an increase in the intensities of two peaks near the violet region (2.6–3 eV). PL studies under a uniform external magnetic field enriched the understanding of the role of OTS. Both OTS and external magnetic fields significantly modulated the luminescence spectra by altering the surface electronic structure of NPs. Extra spins on the surface of SnO2 NPs created by the surface functionalization process and their influence on resultant magnetic moment and luminescence properties are discussed in detail.
Starting Page	1261
Ending Page	1267
Page Count	7
File Format	HTM / HTML PDF
ISSN	20507526
Volume Number	3
Issue Number	6
Journal	Journal of Materials Chemistry C
DOI	10.1039/c4tc02210f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	OTS Magnetic moment Photoluminescence Oxygen Electronvolt Viola odorata Magnetic field Luminescence
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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