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- Publisher Website: 10.1002/asia.201100204
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- PMID: 21661117
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Article: Hydrothermal synthesis and properties of controlled α-Fe2O3 nanostructures in HEPES solution
Title | Hydrothermal synthesis and properties of controlled α-Fe2O3 nanostructures in HEPES solution |
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Authors | |
Keywords | Controlled Synthesis Hematite Hepes Hydrothermal Synthesis Nanostructures |
Issue Date | 2011 |
Publisher | Wiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/publish/en/journals/alphabeticIndex/2451 |
Citation | Chemistry - An Asian Journal, 2011, v. 6 n. 9, p. 2320-2331 How to Cite? |
Abstract | A facile, template-free, and environmentally friendly hydrothermal strategy was explored for the controllable synthesis of α-Fe2O3 nanostructures in HEPES solution (HEPES=2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulfonic acid). The effects of experimental parameters including HEPES/FeCl3 molar ratio, pH value, reaction temperature, and reaction time on the formation of α-Fe2O3 nanostructures have been investigated systematically. Based on the observations of the products, the function of HEPES in the reaction is discussed. The different α-Fe2O3 nanostructures possess different optical, magnetic properties, and photocatalytic activities, depending on the shape and size of the sample. In addition, a novel and facile approach was developed for the synthesis of Au/α-Fe2O3 and Ag/α-Fe2O3 nanocomposites in HEPES buffer solution; this verified the dual function of HEPES both as reductant and stabilizer. This work provides a new strategy for the controllable synthesis of transition metal oxide nanostructures and metal-supported nanocomposites, and gives a strong evidence of the relationship between the property and morphology/size of nanomaterials. Copyright © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. |
Persistent Identifier | http://hdl.handle.net/10722/168555 |
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.846 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Li, H | en_US |
dc.contributor.author | Lu, Z | en_US |
dc.contributor.author | Li, Q | en_US |
dc.contributor.author | So, MH | en_US |
dc.contributor.author | Che, CM | en_US |
dc.contributor.author | Chen, R | en_US |
dc.date.accessioned | 2012-10-08T03:20:34Z | - |
dc.date.available | 2012-10-08T03:20:34Z | - |
dc.date.issued | 2011 | en_US |
dc.identifier.citation | Chemistry - An Asian Journal, 2011, v. 6 n. 9, p. 2320-2331 | en_US |
dc.identifier.issn | 1861-4728 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/168555 | - |
dc.description.abstract | A facile, template-free, and environmentally friendly hydrothermal strategy was explored for the controllable synthesis of α-Fe2O3 nanostructures in HEPES solution (HEPES=2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulfonic acid). The effects of experimental parameters including HEPES/FeCl3 molar ratio, pH value, reaction temperature, and reaction time on the formation of α-Fe2O3 nanostructures have been investigated systematically. Based on the observations of the products, the function of HEPES in the reaction is discussed. The different α-Fe2O3 nanostructures possess different optical, magnetic properties, and photocatalytic activities, depending on the shape and size of the sample. In addition, a novel and facile approach was developed for the synthesis of Au/α-Fe2O3 and Ag/α-Fe2O3 nanocomposites in HEPES buffer solution; this verified the dual function of HEPES both as reductant and stabilizer. This work provides a new strategy for the controllable synthesis of transition metal oxide nanostructures and metal-supported nanocomposites, and gives a strong evidence of the relationship between the property and morphology/size of nanomaterials. Copyright © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. | en_US |
dc.language | eng | en_US |
dc.publisher | Wiley - V C H Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www.wiley-vch.de/publish/en/journals/alphabeticIndex/2451 | en_US |
dc.relation.ispartof | Chemistry - An Asian Journal | en_US |
dc.subject | Controlled Synthesis | en_US |
dc.subject | Hematite | en_US |
dc.subject | Hepes | en_US |
dc.subject | Hydrothermal Synthesis | en_US |
dc.subject | Nanostructures | en_US |
dc.title | Hydrothermal synthesis and properties of controlled α-Fe2O3 nanostructures in HEPES solution | en_US |
dc.type | Article | en_US |
dc.identifier.email | Che, CM:cmche@hku.hk | en_US |
dc.identifier.authority | Che, CM=rp00670 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1002/asia.201100204 | en_US |
dc.identifier.pmid | 21661117 | - |
dc.identifier.scopus | eid_2-s2.0-80051756837 | en_US |
dc.identifier.hkuros | 205130 | - |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-80051756837&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 6 | en_US |
dc.identifier.issue | 9 | en_US |
dc.identifier.spage | 2320 | en_US |
dc.identifier.epage | 2331 | en_US |
dc.identifier.isi | WOS:000294465800021 | - |
dc.publisher.place | Germany | en_US |
dc.identifier.scopusauthorid | Li, H=36077120500 | en_US |
dc.identifier.scopusauthorid | Lu, Z=34771706000 | en_US |
dc.identifier.scopusauthorid | Li, Q=49561541600 | en_US |
dc.identifier.scopusauthorid | So, MH=9275915300 | en_US |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_US |
dc.identifier.scopusauthorid | Chen, R=9275915200 | en_US |
dc.identifier.issnl | 1861-471X | - |