Synthesis and characteristics of multifunctional Fe3O4-SiO2-CdS magnetic-fluorescent nanocomposites |
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| Authors: | Zhang Ri-Chen Liu Ling and Xu Xiao-Liang |
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| Institution: | Department of Physics, University of Science and Technology of China, Hefei 230026, China;Department of Physics, University of Science and Technology of China, Hefei 230026, China;Department of Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | A luminescent superparamagnetic nanocomposite with an Fe3O4—SiO2—CdS structure is synthesised. Coated with a silica shell, Fe3O4 nanoparticles and CdS quantum dots (QDs) are successfully assembled together. Analysed from the test results of X-ray diffraction (XRD), transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), hysteresis loop, and photoluminescence (PL) spectrum, these nanocomposites exhibit superparamagnetic and photoluminescent properties. |
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| Keywords: | superparamagnetic nanoparticles CdS quantum dots |
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