Fe3O4 and CdS based bifunctional core-shell nanostructure

被引：13

作者：

Joseph, Joshy ^{[2
]}

Nishad, K. K. ^{[2
]}

Sharma, M. ^{[2
]}

Gupta, D. K. ^{[2
]}

Singh, R. R. ^{[1
]}

Pandey, R. K. ^{[1
]}

机构：

[1] ITM Univ, Gwalior 474001, MP, India

[2] Barkatullah Univ, Dept Phys, Bhopal 462026, India

来源：

MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 06期

关键词：

Nanostructures; Chemical synthesis; Magnetic properties; X-ray diffraction; Optical properties; MAGNETIC NANOPARTICLES; NANOCRYSTAL HETEROSTRUCTURES; SIZE; NANOCOMPOSITES;

D O I：

10.1016/j.materresbull.2012.02.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A room temperature solution process for synthesis of Fe3O4 nanoparticles and their hybrid core shell nanostructures using CdS as the shell material has been described. The as grown particles have been characterised using XRD. Rietveld refinement, high resolution transmission electron microscopy, atomic force microscopy, superconducting quantum interference device, optical absorbance and photoluminescence spectroscopy. A superparamagnetic response revealed from the magnetisation measurements of the as synthesised magnetite nanoparticles was retained even after the growth of the CdS shell. From luminescence and high resolution atomic force microscopy measurements, it is shown that the core shell structures advantageously combine magnetic as well as fluorescence response with a tendency towards self-organization. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1471 / 1477

页数：7

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