Synthesis of three-dimensional hierarchical BaCrO₄ dendrites
3-D hierarchical superstructures of BaCrO₄ were prepared by a hydrothermal reaction of Ba(NO₃)₂ and Na₂CrO₄ in an aqueous-hexane bilayer system. A surfactant mixture of oleylamine and oleic acid was used to form hydrophobic barium oleate micelles. During the hydrothermal process, aqueous CrO₄ ²⁻ ani...
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| Veröffentlicht in: | Materials letters 2011-12, Vol.65 (23-24), p.3618-3620 |
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| creator | Cho, Young-Sik Huh, Young-Duk |
| description | 3-D hierarchical superstructures of BaCrO₄ were prepared by a hydrothermal reaction of Ba(NO₃)₂ and Na₂CrO₄ in an aqueous-hexane bilayer system. A surfactant mixture of oleylamine and oleic acid was used to form hydrophobic barium oleate micelles. During the hydrothermal process, aqueous CrO₄ ²⁻ anions reacted at the interface with Ba²⁺ cations in the hexane phase to form BaCrO₄ crystals. 3-D hierarchical dendritic BaCrO₄ formed with a trunk and aligned, cruciform series of branches perpendicular to it. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) confirmed that both trunk and branches preferentially grew in the direction. The dendrites formed through epitaxial growth. |
| doi_str_mv | 10.1016/j.matlet.2011.07.055 |
| format | Article |
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A surfactant mixture of oleylamine and oleic acid was used to form hydrophobic barium oleate micelles. During the hydrothermal process, aqueous CrO₄ ²⁻ anions reacted at the interface with Ba²⁺ cations in the hexane phase to form BaCrO₄ crystals. 3-D hierarchical dendritic BaCrO₄ formed with a trunk and aligned, cruciform series of branches perpendicular to it. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) confirmed that both trunk and branches preferentially grew in the direction. The dendrites formed through epitaxial growth.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2011.07.055</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>anions ; barium ; cations ; Crystals ; Dendritic structure ; Epitaxial growth ; hexane ; Hexanes ; hydrophobicity ; micelles ; oleic acid ; Scanning electron microscopy ; Superstructures ; surfactants ; Three dimensional ; transmission electron microscopy ; Trunks</subject><ispartof>Materials letters, 2011-12, Vol.65 (23-24), p.3618-3620</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c307t-bbeb767fab01f0b6aa08e19d0c7a406731e1c15283f000b9623d1cc3e53ed0163</citedby><cites>FETCH-LOGICAL-c307t-bbeb767fab01f0b6aa08e19d0c7a406731e1c15283f000b9623d1cc3e53ed0163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Cho, Young-Sik</creatorcontrib><creatorcontrib>Huh, Young-Duk</creatorcontrib><title>Synthesis of three-dimensional hierarchical BaCrO₄ dendrites</title><title>Materials letters</title><description>3-D hierarchical superstructures of BaCrO₄ were prepared by a hydrothermal reaction of Ba(NO₃)₂ and Na₂CrO₄ in an aqueous-hexane bilayer system. A surfactant mixture of oleylamine and oleic acid was used to form hydrophobic barium oleate micelles. During the hydrothermal process, aqueous CrO₄ ²⁻ anions reacted at the interface with Ba²⁺ cations in the hexane phase to form BaCrO₄ crystals. 3-D hierarchical dendritic BaCrO₄ formed with a trunk and aligned, cruciform series of branches perpendicular to it. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) confirmed that both trunk and branches preferentially grew in the direction. The dendrites formed through epitaxial growth.</description><subject>anions</subject><subject>barium</subject><subject>cations</subject><subject>Crystals</subject><subject>Dendritic structure</subject><subject>Epitaxial growth</subject><subject>hexane</subject><subject>Hexanes</subject><subject>hydrophobicity</subject><subject>micelles</subject><subject>oleic acid</subject><subject>Scanning electron microscopy</subject><subject>Superstructures</subject><subject>surfactants</subject><subject>Three dimensional</subject><subject>transmission electron microscopy</subject><subject>Trunks</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNotkM1KxDAUhYMoWEffQLA7V603TdtMN4IO_sHALMYBdyFNb2yG_oxJZjFb8Ul9EjPU1eXCdw6Hj5BrCikFWt5t0176Dn2aAaUp8BSK4oREdM5Zkle8OiVRwHhScP5xTi6c2wJAXkEekfv1YfAtOuPiUce-tYhJY3ocnBkH2cWtQSutao0Kz6Nc2NXv90_c4NBY49FdkjMtO4dX_3dGNs9P74vXZLl6eVs8LBPFgPukrrHmJdeyBqqhLqWEOdKqAcVlDiVnFKmiRTZnOiyrqzJjDVWKYcGwCdPZjNxOvTs7fu3RedEbp7Dr5IDj3okqK1mWF4wFMp9IZUfnLGqxs6aX9iAoiKMtsRWTLXG0JYCLYCvEbqaYlqOQn9Y4sVkHoAh7GGWB-AMSW2nN</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Cho, Young-Sik</creator><creator>Huh, Young-Duk</creator><general>Elsevier B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20111201</creationdate><title>Synthesis of three-dimensional hierarchical BaCrO₄ dendrites</title><author>Cho, Young-Sik ; Huh, Young-Duk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c307t-bbeb767fab01f0b6aa08e19d0c7a406731e1c15283f000b9623d1cc3e53ed0163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>anions</topic><topic>barium</topic><topic>cations</topic><topic>Crystals</topic><topic>Dendritic structure</topic><topic>Epitaxial growth</topic><topic>hexane</topic><topic>Hexanes</topic><topic>hydrophobicity</topic><topic>micelles</topic><topic>oleic acid</topic><topic>Scanning electron microscopy</topic><topic>Superstructures</topic><topic>surfactants</topic><topic>Three dimensional</topic><topic>transmission electron microscopy</topic><topic>Trunks</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cho, Young-Sik</creatorcontrib><creatorcontrib>Huh, Young-Duk</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cho, Young-Sik</au><au>Huh, Young-Duk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis of three-dimensional hierarchical BaCrO₄ dendrites</atitle><jtitle>Materials letters</jtitle><date>2011-12-01</date><risdate>2011</risdate><volume>65</volume><issue>23-24</issue><spage>3618</spage><epage>3620</epage><pages>3618-3620</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>3-D hierarchical superstructures of BaCrO₄ were prepared by a hydrothermal reaction of Ba(NO₃)₂ and Na₂CrO₄ in an aqueous-hexane bilayer system. A surfactant mixture of oleylamine and oleic acid was used to form hydrophobic barium oleate micelles. During the hydrothermal process, aqueous CrO₄ ²⁻ anions reacted at the interface with Ba²⁺ cations in the hexane phase to form BaCrO₄ crystals. 3-D hierarchical dendritic BaCrO₄ formed with a trunk and aligned, cruciform series of branches perpendicular to it. Scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) confirmed that both trunk and branches preferentially grew in the direction. The dendrites formed through epitaxial growth.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2011.07.055</doi><tpages>3</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | anions barium cations Crystals Dendritic structure Epitaxial growth hexane Hexanes hydrophobicity micelles oleic acid Scanning electron microscopy Superstructures surfactants Three dimensional transmission electron microscopy Trunks |
| title | Synthesis of three-dimensional hierarchical BaCrO₄ dendrites |
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