Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry


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Investigation on a cost effective bottom-up approach for developing core/shell Fe3O4/Ag nanoparticles with enhanced optical and magnetic properties

Author(s): S. Amala Jayanthia, D. Muthu Gnana Theresa Nathanb, S. John Sundaramb, R. Maheshb Shibu Josephb and P. Sagayarajb

In the present work, an attempt has been made to coat the magnetic nanoparticles of iron oxide with the noble metal silver via a solvothermal approach. The synthesized particles are characterized by X-ray diffraction (XRD), Transmission Electron Microscopy (TEM) and Scanning Electron Microscopy (SEM). The optical and magnetic properties are investigated by UV-Vis-Spectrometer and Vibrating Sample Magnetometer (VSM). In the X-ray diffractogram, the absence of the peaks of iron and the presence of only the prominent peaks of silver confirmed the formation of iron oxide core/silver shell nanoparticles. The SEM image clearly indicates the coating of iron with silver. The Energy Dispersive X-ray Analyzer (EDX) spectrum evidences the high purity of the samples. The TEM images confirm the nanoparticles formation and the Fe3O4/Ag core/shell structure. The UV spectrum and the magnetization curves indicate that the resulting samples have a modified optical and magnetic properties compared to the parent material.


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