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Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis
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| Zeitschriftentitel: | Chemistry – A European Journal |
|---|---|
| Personen und Körperschaften: | , |
| In: | Chemistry – A European Journal, 13, 2007, 30, S. 8564-8571 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
Oaki, Yuya Imai, Hiroaki Oaki, Yuya Imai, Hiroaki |
|---|---|
| author |
Oaki, Yuya Imai, Hiroaki |
| spellingShingle |
Oaki, Yuya Imai, Hiroaki Chemistry – A European Journal Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis General Chemistry Catalysis Organic Chemistry |
| author_sort |
oaki, yuya |
| spelling |
Oaki, Yuya Imai, Hiroaki 0947-6539 1521-3765 Wiley General Chemistry Catalysis Organic Chemistry http://dx.doi.org/10.1002/chem.200700492 <jats:title>Abstract</jats:title><jats:p>We have synthesized nanostructures of iron and cobalt oxyhydroxides and manganese oxides in aqueous solution containing a chelating agent. Nanosheets of FeOOH and Na<jats:sub><jats:italic>x</jats:italic></jats:sub>MnO<jats:sub>2</jats:sub> and nanoflakes of CoOOH were generated from the corresponding divalent metal salts and ethylenediaminetetraacetate (EDTA) by one‐pot synthesis under ambient conditions. The chelating agent fulfilled multiple roles in the reaction process and morphogenesis leading to two‐dimensional nanostructures. Coordination to the divalent metal ions inhibited rapid precipitation of metal hydroxides and mediated oxidation to tri‐ and tetravalent species by dissolved oxygen. Along with the deposition, the two‐dimensional and single‐crystal nanostructures were also associated with interactions of the chelating agent. Therefore, this approach can be regarded as a combination of ligand‐controlled oxidation and ligand‐cooperative morphogenesis. Parallel control of the reaction and the morphology was achieved by a simple approach. The model cases suggest that tailoring chelation can facilitate the design of other metal oxide nanomaterials.</jats:p> Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis Chemistry – A European Journal |
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| title |
Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_unstemmed |
Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_full |
Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_fullStr |
Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_full_unstemmed |
Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_short |
Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_sort |
chelation‐mediated aqueous synthesis of metal oxyhydroxide and oxide nanostructures: combination of ligand‐controlled oxidation and ligand‐cooperative morphogenesis |
| topic |
General Chemistry Catalysis Organic Chemistry |
| url |
http://dx.doi.org/10.1002/chem.200700492 |
| publishDate |
2007 |
| physical |
8564-8571 |
| description |
<jats:title>Abstract</jats:title><jats:p>We have synthesized nanostructures of iron and cobalt oxyhydroxides and manganese oxides in aqueous solution containing a chelating agent. Nanosheets of FeOOH and Na<jats:sub><jats:italic>x</jats:italic></jats:sub>MnO<jats:sub>2</jats:sub> and nanoflakes of CoOOH were generated from the corresponding divalent metal salts and ethylenediaminetetraacetate (EDTA) by one‐pot synthesis under ambient conditions. The chelating agent fulfilled multiple roles in the reaction process and morphogenesis leading to two‐dimensional nanostructures. Coordination to the divalent metal ions inhibited rapid precipitation of metal hydroxides and mediated oxidation to tri‐ and tetravalent species by dissolved oxygen. Along with the deposition, the two‐dimensional and single‐crystal nanostructures were also associated with interactions of the chelating agent. Therefore, this approach can be regarded as a combination of ligand‐controlled oxidation and ligand‐cooperative morphogenesis. Parallel control of the reaction and the morphology was achieved by a simple approach. The model cases suggest that tailoring chelation can facilitate the design of other metal oxide nanomaterials.</jats:p> |
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| author | Oaki, Yuya, Imai, Hiroaki |
| author_facet | Oaki, Yuya, Imai, Hiroaki, Oaki, Yuya, Imai, Hiroaki |
| author_sort | oaki, yuya |
| container_issue | 30 |
| container_start_page | 8564 |
| container_title | Chemistry – A European Journal |
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| description | <jats:title>Abstract</jats:title><jats:p>We have synthesized nanostructures of iron and cobalt oxyhydroxides and manganese oxides in aqueous solution containing a chelating agent. Nanosheets of FeOOH and Na<jats:sub><jats:italic>x</jats:italic></jats:sub>MnO<jats:sub>2</jats:sub> and nanoflakes of CoOOH were generated from the corresponding divalent metal salts and ethylenediaminetetraacetate (EDTA) by one‐pot synthesis under ambient conditions. The chelating agent fulfilled multiple roles in the reaction process and morphogenesis leading to two‐dimensional nanostructures. Coordination to the divalent metal ions inhibited rapid precipitation of metal hydroxides and mediated oxidation to tri‐ and tetravalent species by dissolved oxygen. Along with the deposition, the two‐dimensional and single‐crystal nanostructures were also associated with interactions of the chelating agent. Therefore, this approach can be regarded as a combination of ligand‐controlled oxidation and ligand‐cooperative morphogenesis. Parallel control of the reaction and the morphology was achieved by a simple approach. The model cases suggest that tailoring chelation can facilitate the design of other metal oxide nanomaterials.</jats:p> |
| doi_str_mv | 10.1002/chem.200700492 |
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| imprint_str_mv | Wiley, 2007 |
| institution | DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1 |
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| spelling | Oaki, Yuya Imai, Hiroaki 0947-6539 1521-3765 Wiley General Chemistry Catalysis Organic Chemistry http://dx.doi.org/10.1002/chem.200700492 <jats:title>Abstract</jats:title><jats:p>We have synthesized nanostructures of iron and cobalt oxyhydroxides and manganese oxides in aqueous solution containing a chelating agent. Nanosheets of FeOOH and Na<jats:sub><jats:italic>x</jats:italic></jats:sub>MnO<jats:sub>2</jats:sub> and nanoflakes of CoOOH were generated from the corresponding divalent metal salts and ethylenediaminetetraacetate (EDTA) by one‐pot synthesis under ambient conditions. The chelating agent fulfilled multiple roles in the reaction process and morphogenesis leading to two‐dimensional nanostructures. Coordination to the divalent metal ions inhibited rapid precipitation of metal hydroxides and mediated oxidation to tri‐ and tetravalent species by dissolved oxygen. Along with the deposition, the two‐dimensional and single‐crystal nanostructures were also associated with interactions of the chelating agent. Therefore, this approach can be regarded as a combination of ligand‐controlled oxidation and ligand‐cooperative morphogenesis. Parallel control of the reaction and the morphology was achieved by a simple approach. The model cases suggest that tailoring chelation can facilitate the design of other metal oxide nanomaterials.</jats:p> Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis Chemistry – A European Journal |
| spellingShingle | Oaki, Yuya, Imai, Hiroaki, Chemistry – A European Journal, Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis, General Chemistry, Catalysis, Organic Chemistry |
| title | Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_full | Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_fullStr | Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_full_unstemmed | Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_short | Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| title_sort | chelation‐mediated aqueous synthesis of metal oxyhydroxide and oxide nanostructures: combination of ligand‐controlled oxidation and ligand‐cooperative morphogenesis |
| title_unstemmed | Chelation‐Mediated Aqueous Synthesis of Metal Oxyhydroxide and Oxide Nanostructures: Combination of Ligand‐Controlled Oxidation and Ligand‐Cooperative Morphogenesis |
| topic | General Chemistry, Catalysis, Organic Chemistry |
| url | http://dx.doi.org/10.1002/chem.200700492 |