Self‐Assembled 3D Flowerlike Iron Oxide Nanostructures and Their Application in Water Treatment
Lu-Bin ZhongBeijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, P.R. ChinaJin‐Song HuBeijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, P.R. ChinaH. LiangBeijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, P.R. ChinaAmin CaoBeijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, P.R. ChinaWeiguo SongBeijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, P.R. ChinaL. WanBeijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, P.R. China
2006en
ABI
Abstract
An ethylene-glycol-mediated self-assembly process is adopted to synthesize 3D flowerlike nanostructures of iron oxide (see figure) using inexpensive and nontoxic ferric chloride. A two-stage growth process is identified during the morphological evolution of the iron oxide precursor. α-Fe2O3, γ-Fe2O3, and Fe3O4 with the same flowerlike structure are readily obtained from the same precursor but by different calcination procedures. The as-obtained iron oxides show excellent ability to remove various pollutants from water.
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