Solid-State Synthesis of LaCoO3 Perovskite Nanocrystals
A solid‐state reaction process has been developed to synthesize perovskite‐type LaCoO3 nanocrystals with grain diameters of 15–40 nm. In the first step of the preparation, ∼5 nm composite hydroxide nanoparticles are synthesized by the solid‐state reaction of La(NO3)3·nH2O and Co(NO3)2·6H2O with KOH...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2002-09, Vol.85 (9), p.2177-2180 |
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| container_issue | 9 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Li, Feng Yu, Xianghua Chen, Liying Pan, Hongjun Xin, Xinquan |
| description | A solid‐state reaction process has been developed to synthesize perovskite‐type LaCoO3 nanocrystals with grain diameters of 15–40 nm. In the first step of the preparation, ∼5 nm composite hydroxide nanoparticles are synthesized by the solid‐state reaction of La(NO3)3·nH2O and Co(NO3)2·6H2O with KOH at ambient temperature. A perovskite‐type rhombohedral LaCoO3 phase appears at 550°C, after the hydroxide has been calcined at various temperatures. The phase transformation process is complete at ∼800°C, yielding a single‐phase binary oxide. The results indicate that the new process is convenient, inexpensive, and effective for obtaining LaCoO3 nanocrystals with high yield. |
| doi_str_mv | 10.1111/j.1151-2916.2002.tb00431.x |
| format | Article |
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In the first step of the preparation, ∼5 nm composite hydroxide nanoparticles are synthesized by the solid‐state reaction of La(NO3)3·nH2O and Co(NO3)2·6H2O with KOH at ambient temperature. A perovskite‐type rhombohedral LaCoO3 phase appears at 550°C, after the hydroxide has been calcined at various temperatures. The phase transformation process is complete at ∼800°C, yielding a single‐phase binary oxide. The results indicate that the new process is convenient, inexpensive, and effective for obtaining LaCoO3 nanocrystals with high yield.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.2002.tb00431.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Westerville, Ohio: American Ceramics Society</publisher><subject>Chemistry ; Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...) ; Exact sciences and technology ; Inorganic chemistry and origins of life ; lanthanum/lanthanum compounds ; nanoparticulates ; perovskites ; Preparations and properties ; synthesis</subject><ispartof>Journal of the American Ceramic Society, 2002-09, Vol.85 (9), p.2177-2180</ispartof><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1151-2916.2002.tb00431.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1151-2916.2002.tb00431.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,777,781,1412,27905,27906,45555,45556</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13899974$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><contributor>WCA</contributor><creatorcontrib>Li, Feng</creatorcontrib><creatorcontrib>Yu, Xianghua</creatorcontrib><creatorcontrib>Chen, Liying</creatorcontrib><creatorcontrib>Pan, Hongjun</creatorcontrib><creatorcontrib>Xin, Xinquan</creatorcontrib><title>Solid-State Synthesis of LaCoO3 Perovskite Nanocrystals</title><title>Journal of the American Ceramic Society</title><description>A solid‐state reaction process has been developed to synthesize perovskite‐type LaCoO3 nanocrystals with grain diameters of 15–40 nm. In the first step of the preparation, ∼5 nm composite hydroxide nanoparticles are synthesized by the solid‐state reaction of La(NO3)3·nH2O and Co(NO3)2·6H2O with KOH at ambient temperature. A perovskite‐type rhombohedral LaCoO3 phase appears at 550°C, after the hydroxide has been calcined at various temperatures. The phase transformation process is complete at ∼800°C, yielding a single‐phase binary oxide. The results indicate that the new process is convenient, inexpensive, and effective for obtaining LaCoO3 nanocrystals with high yield.</description><subject>Chemistry</subject><subject>Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...)</subject><subject>Exact sciences and technology</subject><subject>Inorganic chemistry and origins of life</subject><subject>lanthanum/lanthanum compounds</subject><subject>nanoparticulates</subject><subject>perovskites</subject><subject>Preparations and properties</subject><subject>synthesis</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqNkE1PwkAURSdGExH9D8REd8X5aPs6O7EB1BAxoNHdZJjOxIFCsVOU_nunodGtb3Pzck_u4iB0SXCf-LtZ-ohIQDmJ-xRj2q8WGIeM9PdHqEOitjpGHezLABKKT9GZc0v_Ep6EHQTzIrdZMK9kpXvzelN9aGddrzC9iUyLKes967L4civr6ye5KVRZu0rm7hydGB_6os0ueh0NX9L7YDIdP6SDSWBZiCGAUPFIa6kXSitODUtwBllGFthIkmi84ITTDEdgDFADhDIwSsVEA46lYpJ10fVhd1sWnzvtKrG2Tuk8lxtd7JygEHOIOP4PCJAk1INXLSidkrkp5UZZJ7alXcuyFoQlnHMIPXd74L5truu_HovGvFiKxrxo9IrGvGjNi714HKRDSgD8RHCYsK7S-98JWa5EDAwi8fY0FtFsdvdORrEYsR-Veoi4</recordid><startdate>200209</startdate><enddate>200209</enddate><creator>Li, Feng</creator><creator>Yu, Xianghua</creator><creator>Chen, Liying</creator><creator>Pan, Hongjun</creator><creator>Xin, Xinquan</creator><general>American Ceramics Society</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7QQ</scope><scope>JG9</scope></search><sort><creationdate>200209</creationdate><title>Solid-State Synthesis of LaCoO3 Perovskite Nanocrystals</title><author>Li, Feng ; Yu, Xianghua ; Chen, Liying ; Pan, Hongjun ; Xin, Xinquan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i3407-74c95eeaebcec92f380d7dd1b0fa18e0b9192d057ff72f71237fcc61e706ac3a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Chemistry</topic><topic>Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...)</topic><topic>Exact sciences and technology</topic><topic>Inorganic chemistry and origins of life</topic><topic>lanthanum/lanthanum compounds</topic><topic>nanoparticulates</topic><topic>perovskites</topic><topic>Preparations and properties</topic><topic>synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Feng</creatorcontrib><creatorcontrib>Yu, Xianghua</creatorcontrib><creatorcontrib>Chen, Liying</creatorcontrib><creatorcontrib>Pan, Hongjun</creatorcontrib><creatorcontrib>Xin, Xinquan</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Ceramic Abstracts</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Feng</au><au>Yu, Xianghua</au><au>Chen, Liying</au><au>Pan, Hongjun</au><au>Xin, Xinquan</au><au>WCA</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Solid-State Synthesis of LaCoO3 Perovskite Nanocrystals</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2002-09</date><risdate>2002</risdate><volume>85</volume><issue>9</issue><spage>2177</spage><epage>2180</epage><pages>2177-2180</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>A solid‐state reaction process has been developed to synthesize perovskite‐type LaCoO3 nanocrystals with grain diameters of 15–40 nm. In the first step of the preparation, ∼5 nm composite hydroxide nanoparticles are synthesized by the solid‐state reaction of La(NO3)3·nH2O and Co(NO3)2·6H2O with KOH at ambient temperature. A perovskite‐type rhombohedral LaCoO3 phase appears at 550°C, after the hydroxide has been calcined at various temperatures. The phase transformation process is complete at ∼800°C, yielding a single‐phase binary oxide. The results indicate that the new process is convenient, inexpensive, and effective for obtaining LaCoO3 nanocrystals with high yield.</abstract><cop>Westerville, Ohio</cop><pub>American Ceramics Society</pub><doi>10.1111/j.1151-2916.2002.tb00431.x</doi><tpages>4</tpages></addata></record> |
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| ispartof | Journal of the American Ceramic Society, 2002-09, Vol.85 (9), p.2177-2180 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Chemistry Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...) Exact sciences and technology Inorganic chemistry and origins of life lanthanum/lanthanum compounds nanoparticulates perovskites Preparations and properties synthesis |
| title | Solid-State Synthesis of LaCoO3 Perovskite Nanocrystals |
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