title: Chemical "top-down" synthesis of amphiphilic superparamagnetic Fe3O4 nanobelts from exfoliated FeOCl layers.
abstract: A novel chemical "top-down" method has been employed to prepare tiny Fe3O4 nanobelts. Uniform Fe3O4 nanobelts were obtained by solvothermal reduction of exfoliated FeOCl layers with the assistance of high polar solvents and a PEO-PPO-PEO stabilizer. We also studied the superparamagnetic properties of Fe3O4 nanobelts, which exhibit a magnetic saturation value as high as ∼53 emu g(-1) at room temperature and a magnetic anisotropy constant up to 6.6 × 10(4) erg cm(-3). Furthermore the as-obtained product, which is amphiphilic and exhibits excellent dispersibility and redispersibility in most of the common solvents, could be readily used in various realms of biomedicine and biotechnology.
authors.affiliation: School of Chemistry and Chemical Technology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China. xinhaoli@sjtu.edu.cn.
authors.forename: Xiao
authors.initials: X
authors.lastname: Wei
authors.forename: Juan
authors.initials: J
authors.lastname: Su
authors.forename: Xin-Hao
authors.initials: XH
authors.lastname: Li
authors.forename: Jie-Sheng
authors.initials: JS
authors.lastname: Chen
mesh_terms: D052203:Ferrosoferric Oxide / Q000737:chemistry*; D058085:Iron Compounds / Q000737:chemistry*; D008280:Magnetics; D049329:Nanostructures / Q000737:chemistry*; D011092:Polyethylene Glycols / Q000737:chemistry; D011409:Propylene Glycols / Q000737:chemistry; D012997:Solvents / Q000737:chemistry
chemical_list: D058085:Iron Compounds; C116176:PEO-PPO-PEO; D011409:Propylene Glycols; D012997:Solvents; C000592195:iron oxychloride; D011092:Polyethylene Glycols; D052203:Ferrosoferric Oxide