@article { author = {Nikje, M.M.A. and Sarchami, L. and Rahmani, L.}, title = {Fabrication of 2-Chloropyridine-Functionalized Fe3O4/Amino-Silane Core–Shell Nanoparticles}, journal = {International Journal of Nanoscience and Nanotechnology}, volume = {11}, number = {1}, pages = {39-44}, year = {2015}, publisher = {Iranian Nanotechnology Society}, issn = {1735-7004}, eissn = {2423-5911}, doi = {}, abstract = {In this report, magnetic iron oxide nanoparticles were synthesized via coprecipitation of Fe2+ and Fe3+ with ammonium hydroxide, and the surface of synthesized nanoparticles was organically functionalized by commercially available amine coupling agent namely, 3-aminopropyl trimethoxysilane (APTS) by using well-known sol–gel method. Further reaction of the synthesized Fe3O4@APTS core-shell magnetite nanoparticles with 2-Chloropyridine via nucleophilic aromatic mechanism in position 2 led to the target molecule Fe3O4@APTS/ 2-Chloropyridine. All prepared materials e.g the magnetite iron oxide, Fe3O4@APTS nanoparticles as well as organically coated Fe3O4@APTS/ 2-Chloropyridine magnetite particles were characterized using Fourier transforms infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). SEM images showed that the Fe3O4@APTS/ 2-Chloropyridine nanoparticles were roughly spherical with average size of 45-55 nm. FTIR indicated the formation of a layer of APTS-Py on the surface of the Fe3O4 magnetite core. Thermogravimetric analysis of the coated APTS-Py on the Fe3O4 surface revealed that 8 % of organic materials coated on iron oxide nanoparticles.      }, keywords = {Magnetite nanoparticle,APTS coating,2-Chloropyridine modification,Sol-gel Method}, url = {https://www.ijnnonline.net/article_12361.html}, eprint = {https://www.ijnnonline.net/article_12361_1815017ec99e8d41724db4c69c8d90ac.pdf} }