INSTITUTO DE TECNOLOGIA EN POLIMEROS Y NANOTECNOLOGIA
Unidad Ejecutora - UE
Synthesis of silanized maghemite nanoparticles onto reduced graphene sheets composites.
CARLOS COSIO-CASTAÑEDA; RICARDO MARTÍNEZ GARCÍA; LEANDRO M. SOCOLOVSKY
SOLID STATE SCIENCES
ELSEVIER SCIENCE BV
Lugar: Amsterdam; Año: 2014 vol. 30 p. 17 - 20
Novel gamma-Fe2O3@APTES@rGO composites are successfully synthesized by using graphene oxide and silanized maghemite nanoparticles. Graphene oxide and maghemite were obtained by Hummers and Massart methods, respectively. The silanization process was done to functionalize maghemite surface with a controllable quantity of amino groups. Then, by adding aqueous graphene oxide suspension, the bonding between graphene oxide and silanized maghemite nanoparticles was done in refluxing conditions. Afterwards, chemical reduced graphene oxide reaction was realized by addition of hydrazine solution. The characterization of gamma-Fe2O3@APTES@rGO composites was studied by X-ray Diffraction, Fourier Transformed Infrared Spectroscopy, thermogravimetric analysis and scanning electron microscopy.