title: Fabrication of smart magnetite/reduced graphene oxide composite nanoparticles and their magnetic stimuli-response.
abstract: Novel Fe3O4/reduced graphene oxide (RGO) composite nanoparticles were synthesized and confirmed by FT-IR spectra as good candidates for magnetic stimuli-responsive magnetorheological (MR) materials. The morphology of Fe3O4/RGO was observed by both scanning and transmission electron microscopy and their sedimentation stability improved due to a decreased density of the synthesized composites. The MR performance of the Fe3O4/RGO-based fluid was investigated with a rotational rheometer, and the Cho-Choi-Jhon model of the rheological equation of state was adopted to explain their performances for the entire shear rate region.
authors.affiliation: Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Republic of Korea.
authors.forename: Cheng Hai
authors.initials: CH
authors.lastname: Hong
authors.affiliation: Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Republic of Korea.
authors.forename: Min Wook
authors.initials: MW
authors.lastname: Kim
authors.affiliation: College of Chemical Science and Engineering, Laboratory of Fiber Materials and Modern Textile, the Growing Base for State Key Laboratory, Qingdao University, Qingdao 266071, China.
authors.forename: Wen Ling
authors.initials: WL
authors.lastname: Zhang
authors.affiliation: Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Republic of Korea.
authors.forename: Il Jae
authors.initials: IJ
authors.lastname: Moon
authors.affiliation: Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Republic of Korea. Electronic address: hjchoi@inha.ac.kr.
authors.forename: Hyoung Jin
authors.initials: HJ
authors.lastname: Choi
keywords: Fe(3)O(4); Graphene oxide; Magnetic particle; Magnetorheological fluid