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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Jang, Eunjin Kim, T. Doohun Hong, Kug Sun Kim, Jae-chan Song, Hee Jo Kim, Dong-wan Park, Sangbaek Shim, Hyun-woo |
| Description | Author Affiliation: Shim HW ( School of Civil, Environmental and Architectural Engineering, Korea University, Seoul, 136-713 (Republic of Korea).) |
| Abstract | Advanced functional materials incorporating well-defined multiscale architectures are a key focus for multiple nanotechnological applications. However, strategies for developing such materials, including nanostructuring, nano-/microcombination, hybridization, and so on, are still being developed. Here, we report a facile, scalable biomineralization process in which Micrococcus lylae bacteria are used as soft templates to synthesize 3D hierarchically structured magnetite $(Fe_{3}O_{4})$ microspheres for use as Li-ion battery anode materials and in water treatment applications. Self-assembled $Fe_{3}O_{4}$ microspheres with flower-like morphologies are systematically fabricated from biomineralized 2D FeO(OH) nanoflakes at room temperature and are subsequently subjected to post-annealing at 400 °C. In particular, because of their mesoporous properties with a hollow interior and the improved electrical conductivity resulting from the carbonized bacterial templates, the $Fe_{3}O_{4}$ microspheres obtained by calcining the FeO(OH) in Ar exhibit enhanced cycle stability and rate capability as Li-ion battery anodes, as well as superior adsorption of organic pollutants and toxic heavy metals. |
| ISSN | 09476539 |
| e-ISSN | 15213765 |
| Journal | Chemistry - A European Journal |
| Issue Number | 12 |
| Volume Number | 21 |
| Language | English |
| Publisher | Wiley-VCH;ChemPubSoc Europe |
| Publisher Date | 2015-03-16 |
| Publisher Place | Germany |
| Access Restriction | Open |
| Subject Keyword | Electric Power Supplies Lithium Chemistry Microspheres Water Purification Adsorption Electric Conductivity Ferrosoferric Oxide Ions Metals, Heavy Isolation & Purification Micrococcus Metabolism Porosity Water Pollutants, Chemical Research Support, Non-U.S. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Catalysis |
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