Please use this identifier to cite or link to this item:
https://doi.org/10.1166/sam.2013.1573
DC Field | Value | |
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dc.title | Synthesis of α-Fe2O3 Templates via Hydrothermal Route and Fe3O4 Particles Through Subsequent Chemical Reduction | |
dc.contributor.author | Yang, Y. | |
dc.contributor.author | Liu, X. | |
dc.contributor.author | Ding, J. | |
dc.date.accessioned | 2014-10-07T09:54:37Z | |
dc.date.available | 2014-10-07T09:54:37Z | |
dc.date.issued | 2013 | |
dc.identifier.citation | Yang, Y., Liu, X., Ding, J. (2013). Synthesis of α-Fe2O3 Templates via Hydrothermal Route and Fe3O4 Particles Through Subsequent Chemical Reduction. Science of Advanced Materials 5 (9) : 1199-1207. ScholarBank@NUS Repository. https://doi.org/10.1166/sam.2013.1573 | |
dc.identifier.issn | 19472935 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/86771 | |
dc.description.abstract | FeCl3-NH4H2PO4 system was employed to fabricate a-Fe2O3 nanoparticles by a hydrothermal method. The results showed that the most important factors affecting the size and morphology of as-prepared α-Fe2O3 particles were the reactant concentration and the molar ratio of iron precursor to additives, i.e., [Fe3+]/[H2PO- 4]. Besides α-Fe2O3 rings and tubes, single-crystalline α-Fe2O3 rods with controllable size were successfully fabricated by adjusting the [Fe3+]/[H2PO- 4] ratio. The formation mechanism for α-Fe2O3 nanocrystals with different shapes was studied. In order to produce Fe3O4 particles (in ring, tube or rod shapes), the as-prepared α-Fe2O3 particles were employed as templates. Phase conversion from hematite to magnetite was achieved via a chemical reduction method. In this reduction process, both surfactants (oleic acid) and protective gas (5% H2/95% Ar gas mixture) were used as reduction agents. The effect of oleic acid and H2 gas on the reduction process of α-Fe2O3 particles was studied through a series of experiments. The results indicated that the chemical reduction method was convenient and feasible to reduce various hematite templates to corresponding magnetite nanostructures. © 2013 by American Scientific Publishers. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1166/sam.2013.1573 | |
dc.source | Scopus | |
dc.subject | Chemical reduction | |
dc.subject | Hematite (α-Fe2O3) | |
dc.subject | Hydrothermal method | |
dc.subject | Magnetite (Fe3O4) | |
dc.subject | Nanorings | |
dc.subject | Nanorods | |
dc.subject | Nanotubes | |
dc.type | Article | |
dc.contributor.department | MATERIALS SCIENCE AND ENGINEERING | |
dc.description.doi | 10.1166/sam.2013.1573 | |
dc.description.sourcetitle | Science of Advanced Materials | |
dc.description.volume | 5 | |
dc.description.issue | 9 | |
dc.description.page | 1199-1207 | |
dc.identifier.isiut | 000323356100008 | |
Appears in Collections: | Staff Publications |
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