Poly(amidehydroxyurethane) template magnetite NPs electrosynthesis. II. Core and shell characterization

• Main Author: Laura Ursu
• Format: Article
• Language: English
• Published: Publishing House of the Romanian Academy 2013-10-01
• Series: Memoirs of the Scientific Sections of the Romanian Academy
• Subjects: magnetite–PAmHU capped NPs; core and shell characterization
• Online Access: http://mss.academiaromana-is.ro/mem_sc_st_2013/MSS%202013_1_Ursu.pdf

Core and layer polymer characterization of magnetite nanoparticles (NPs) surface-functionalized with poly(amidehydroxyurethane) (PAmHU), obtained by a new electrochemical synthesis route is presented. The core magnetic properties were investigated by Vibrating Sample Magnetometer (VSM), showing that the obtained NPs have superparamagnetic to ferromagnetic behaviour (very low coercivity and remanence). The magnetite–PAmHU NPs morphology and size were studied by Atomic Force Microscopy (AFM) and Dynamic Light Scattering (DLS); both methods showed the existence of PAmHU out-flaked layer on NPs. Structural analysis by Infrared spectroscopy (FTIR) and Thermogravimetry (TG) confirm the out-flaking of magnetic NPs with PAmHU.