One-step microwave hydrothermal synthesis of In2O3 nanostructures with high oxygen vacancy content
•New method developed for In2O3 synthesis.•Ethanol and microwave contributed to efficient reduction of the indium precursor.•Nanoclusters containing
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| Veröffentlicht in: | Materials letters 2020-02, Vol.260, p.126883, Article 126883 |
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| creator | Linganiso, E.C. Motaung, T.E. Linganiso, L.Z. Tetana, Z.N. |
| description | •New method developed for In2O3 synthesis.•Ethanol and microwave contributed to efficient reduction of the indium precursor.•Nanoclusters containing |
| doi_str_mv | 10.1016/j.matlet.2019.126883 |
| format | Article |
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A simple, efficient and low cost microwave irradiation-assisted hydrothermal method for indium oxide (In2O3) synthesis has been developed. Different reaction periods were employed in order to study the crystal phase stability of the material. Crystal phase, morphology and optical properties were determined using X-ray diffraction (XRD), transmission electron microscopy (TEM), and ultraviolet–visible spectroscopy (UV–Vis) respectively. The pure cubic bixbyite type In2O3 obtained consisted of particles that were less than 10 nm, which tend to agglomerate and form bigger clusters. Textual properties of the obtained nanoparticles were further studied through nitrogen adsorption isotherms. The Brunauer-Emmett-Teller (BET) surface area of the prepared samples ranged between 83 and 96 m2/g. Surface properties of the materials revealed a much higher percentage (about 50%) of vacancy oxygen content, which has been related to improved material reactivity in metal oxides.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2019.126883</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>High oxygen vacancy ; Hydrothermal crystal growth ; In2O3 ; Indium oxides ; Materials science ; Metal oxides ; Microwave synthesis ; Morphology ; Nanocrystalline materials ; Nanoparticles ; Optical properties ; Oxygen content ; Phase stability ; Surface properties ; Vacancies</subject><ispartof>Materials letters, 2020-02, Vol.260, p.126883, Article 126883</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Feb 1, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-dd94209c8f4a7e7032c9b4dc3ca17814cf125b83ed0de37b85df840ce8099ee63</citedby><cites>FETCH-LOGICAL-c334t-dd94209c8f4a7e7032c9b4dc3ca17814cf125b83ed0de37b85df840ce8099ee63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0167577X19315150$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Linganiso, E.C.</creatorcontrib><creatorcontrib>Motaung, T.E.</creatorcontrib><creatorcontrib>Linganiso, L.Z.</creatorcontrib><creatorcontrib>Tetana, Z.N.</creatorcontrib><title>One-step microwave hydrothermal synthesis of In2O3 nanostructures with high oxygen vacancy content</title><title>Materials letters</title><description>•New method developed for In2O3 synthesis.•Ethanol and microwave contributed to efficient reduction of the indium precursor.•Nanoclusters containing <10 nm particles obtained in 10 min and less.•In2O3 with high surface area and high vacancy oxygen content obtained.
A simple, efficient and low cost microwave irradiation-assisted hydrothermal method for indium oxide (In2O3) synthesis has been developed. Different reaction periods were employed in order to study the crystal phase stability of the material. Crystal phase, morphology and optical properties were determined using X-ray diffraction (XRD), transmission electron microscopy (TEM), and ultraviolet–visible spectroscopy (UV–Vis) respectively. The pure cubic bixbyite type In2O3 obtained consisted of particles that were less than 10 nm, which tend to agglomerate and form bigger clusters. Textual properties of the obtained nanoparticles were further studied through nitrogen adsorption isotherms. The Brunauer-Emmett-Teller (BET) surface area of the prepared samples ranged between 83 and 96 m2/g. Surface properties of the materials revealed a much higher percentage (about 50%) of vacancy oxygen content, which has been related to improved material reactivity in metal oxides.</description><subject>High oxygen vacancy</subject><subject>Hydrothermal crystal growth</subject><subject>In2O3</subject><subject>Indium oxides</subject><subject>Materials science</subject><subject>Metal oxides</subject><subject>Microwave synthesis</subject><subject>Morphology</subject><subject>Nanocrystalline materials</subject><subject>Nanoparticles</subject><subject>Optical properties</subject><subject>Oxygen content</subject><subject>Phase stability</subject><subject>Surface properties</subject><subject>Vacancies</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEUxIMoWKvfwEPA89ZkkzbJRZDiPxB6UfAW0uStm9ImNcm27rd3ZT17enOYmcf8ELqmZEYJXdxuZjtTtlBmNaFqRuuFlOwETagUrOJKqFM0GWyimgvxcY4uct4QQrgifILWqwBVLrDHO29TPJoD4LZ3KZYW0s5sce7DILPPODb4JdQrhoMJMZfU2dIlyPjoS4tb_9ni-N1_QsAHY02wPbYxFAjlEp01Zpvh6u9O0fvjw9vyuXpdPb0s718ryxgvlXOK10RZ2XAjQBBWW7XmzjJrqJCU24bW87Vk4IgDJtZy7hrJiQVJlAJYsCm6GXv3KX51kIvexC6F4aWuGWeE1pSQwcVH17A25wSN3ie_M6nXlOhfmnqjR5r6l6YeaQ6xuzEGw4KDh6Sz9RAsOJ_AFu2i_7_gB-4EgZo</recordid><startdate>20200201</startdate><enddate>20200201</enddate><creator>Linganiso, E.C.</creator><creator>Motaung, T.E.</creator><creator>Linganiso, L.Z.</creator><creator>Tetana, Z.N.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200201</creationdate><title>One-step microwave hydrothermal synthesis of In2O3 nanostructures with high oxygen vacancy content</title><author>Linganiso, E.C. ; Motaung, T.E. ; Linganiso, L.Z. ; Tetana, Z.N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-dd94209c8f4a7e7032c9b4dc3ca17814cf125b83ed0de37b85df840ce8099ee63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>High oxygen vacancy</topic><topic>Hydrothermal crystal growth</topic><topic>In2O3</topic><topic>Indium oxides</topic><topic>Materials science</topic><topic>Metal oxides</topic><topic>Microwave synthesis</topic><topic>Morphology</topic><topic>Nanocrystalline materials</topic><topic>Nanoparticles</topic><topic>Optical properties</topic><topic>Oxygen content</topic><topic>Phase stability</topic><topic>Surface properties</topic><topic>Vacancies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Linganiso, E.C.</creatorcontrib><creatorcontrib>Motaung, T.E.</creatorcontrib><creatorcontrib>Linganiso, L.Z.</creatorcontrib><creatorcontrib>Tetana, Z.N.</creatorcontrib><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>Linganiso, E.C.</au><au>Motaung, T.E.</au><au>Linganiso, L.Z.</au><au>Tetana, Z.N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>One-step microwave hydrothermal synthesis of In2O3 nanostructures with high oxygen vacancy content</atitle><jtitle>Materials letters</jtitle><date>2020-02-01</date><risdate>2020</risdate><volume>260</volume><spage>126883</spage><pages>126883-</pages><artnum>126883</artnum><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>•New method developed for In2O3 synthesis.•Ethanol and microwave contributed to efficient reduction of the indium precursor.•Nanoclusters containing <10 nm particles obtained in 10 min and less.•In2O3 with high surface area and high vacancy oxygen content obtained.
A simple, efficient and low cost microwave irradiation-assisted hydrothermal method for indium oxide (In2O3) synthesis has been developed. Different reaction periods were employed in order to study the crystal phase stability of the material. Crystal phase, morphology and optical properties were determined using X-ray diffraction (XRD), transmission electron microscopy (TEM), and ultraviolet–visible spectroscopy (UV–Vis) respectively. The pure cubic bixbyite type In2O3 obtained consisted of particles that were less than 10 nm, which tend to agglomerate and form bigger clusters. Textual properties of the obtained nanoparticles were further studied through nitrogen adsorption isotherms. The Brunauer-Emmett-Teller (BET) surface area of the prepared samples ranged between 83 and 96 m2/g. Surface properties of the materials revealed a much higher percentage (about 50%) of vacancy oxygen content, which has been related to improved material reactivity in metal oxides.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2019.126883</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | High oxygen vacancy Hydrothermal crystal growth In2O3 Indium oxides Materials science Metal oxides Microwave synthesis Morphology Nanocrystalline materials Nanoparticles Optical properties Oxygen content Phase stability Surface properties Vacancies |
| title | One-step microwave hydrothermal synthesis of In2O3 nanostructures with high oxygen vacancy content |
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