Preparation of lanthanum sulfide nanoparticles by thermal decomposition of lanthanum complex
γ-La2S3 nanoparticles were successfully prepared by thermal decomposition of lanthanum complex La（Et2S2CN）3·phen at low temperature. The obtained sample was characterized by the X-ray powder diffraction （XRD）, scanning electron microscopy （SEM） and element analysis. The decomposition mechanism of la...
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| Veröffentlicht in: | Journal of rare earths 2011-04, Vol.29 (4), p.317-320 |
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| creator | 李培森 李焕勇 介万奇 |
| description | γ-La2S3 nanoparticles were successfully prepared by thermal decomposition of lanthanum complex La（Et2S2CN）3·phen at low temperature. The obtained sample was characterized by the X-ray powder diffraction （XRD）, scanning electron microscopy （SEM） and element analysis. The decomposition mechanism of lanthanum complex was studied by thermogravimetric analyses （TGA）. The results showed that the obtained samples were cubic phase particles with uniform sizes among 10–30 nm and γ-La2S3 was prepared by decomposition of La（Et2S2CN）3·phen via La4（Et2S2CN）3 as an intermediate product. The band gap of γ-La2S3 was 2.97 eV, which was bigger than bulk crystal because of pronounced quantum confinement effect. |
| doi_str_mv | 10.1016/S1002-0721(10)60451-6 |
| format | Article |
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The obtained sample was characterized by the X-ray powder diffraction （XRD）, scanning electron microscopy （SEM） and element analysis. The decomposition mechanism of lanthanum complex was studied by thermogravimetric analyses （TGA）. The results showed that the obtained samples were cubic phase particles with uniform sizes among 10–30 nm and γ-La2S3 was prepared by decomposition of La（Et2S2CN）3·phen via La4（Et2S2CN）3 as an intermediate product. The band gap of γ-La2S3 was 2.97 eV, which was bigger than bulk crystal because of pronounced quantum confinement effect.</description><identifier>ISSN: 1002-0721</identifier><identifier>EISSN: 2509-4963</identifier><identifier>DOI: 10.1016/S1002-0721(10)60451-6</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Decomposition ; lanthanide complex ; Lanthanum ; lanthanum sesquisulfide ; nano-particle ; Nanoparticles ; PHEN ; Quantum confinement ; Rare earth metals ; rare earths ; Scanning electron microscopy ; Sulfides ; Thermal decomposition ; 复合纳米粒子 ; 扫描电子显微镜 ; 热分解 ; 量子限制效应</subject><ispartof>Journal of rare earths, 2011-04, Vol.29 (4), p.317-320</ispartof><rights>2011 The Chinese Society of Rare Earths</rights><rights>Copyright © Wanfang Data Co. Ltd. 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The obtained sample was characterized by the X-ray powder diffraction （XRD）, scanning electron microscopy （SEM） and element analysis. The decomposition mechanism of lanthanum complex was studied by thermogravimetric analyses （TGA）. The results showed that the obtained samples were cubic phase particles with uniform sizes among 10–30 nm and γ-La2S3 was prepared by decomposition of La（Et2S2CN）3·phen via La4（Et2S2CN）3 as an intermediate product. The band gap of γ-La2S3 was 2.97 eV, which was bigger than bulk crystal because of pronounced quantum confinement effect.</description><subject>Decomposition</subject><subject>lanthanide complex</subject><subject>Lanthanum</subject><subject>lanthanum sesquisulfide</subject><subject>nano-particle</subject><subject>Nanoparticles</subject><subject>PHEN</subject><subject>Quantum confinement</subject><subject>Rare earth metals</subject><subject>rare earths</subject><subject>Scanning electron microscopy</subject><subject>Sulfides</subject><subject>Thermal decomposition</subject><subject>复合纳米粒子</subject><subject>扫描电子显微镜</subject><subject>热分解</subject><subject>量子限制效应</subject><issn>1002-0721</issn><issn>2509-4963</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkU1P3DAQhq2KSl1of0KlqBfKIXTsxM7mhNCKAhISlaC3SpZjj3cNib3YCSz99fWyqBcOnEaaed75eIeQrxSOKVDx44YCsBIaRr9TOBJQc1qKD2TGOLRl3Ypqj8z-I5_Ifkp3AFXDW5iRP78irlVUowu-CLbolR9Xyk9DkabeOoOFVz5kYnS6x1R0z8W4wjiovjCow7AOyb3Vbgs9bj6Tj1b1Cb-8xgPy--fZ7eKivLo-v1ycXpW6BjaWRlDWUtWYuukMFS2vVcvMnDdUzAXXwDUTqLXodCdYOzeUV5oZbpm1ohJaVQfkaNf3SXmr_FLehSn6PFH-XW7GTSeRAaVQA_DMHu7YdQwPE6ZRDi5p7PPyGKYk561gTLCqziTfkTqGlCJauY5uUPFZUpBb4-WL8XLr6jb1YrwUWXey02E--dFhlEk79BqNi6hHaYJ7t8O318mr4JcPLl_UKX1vXY8y_62uGG2qfxivlsY</recordid><startdate>20110401</startdate><enddate>20110401</enddate><creator>李培森 李焕勇 介万奇</creator><general>Elsevier B.V</general><general>School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20110401</creationdate><title>Preparation of lanthanum sulfide nanoparticles by thermal decomposition of lanthanum complex</title><author>李培森 李焕勇 介万奇</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c402t-d61291a7d47bd16954a92d85716865c05c26ecc6bcb6298d153c2d5f2ff636ca3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Decomposition</topic><topic>lanthanide complex</topic><topic>Lanthanum</topic><topic>lanthanum sesquisulfide</topic><topic>nano-particle</topic><topic>Nanoparticles</topic><topic>PHEN</topic><topic>Quantum confinement</topic><topic>Rare earth metals</topic><topic>rare earths</topic><topic>Scanning electron microscopy</topic><topic>Sulfides</topic><topic>Thermal decomposition</topic><topic>复合纳米粒子</topic><topic>扫描电子显微镜</topic><topic>热分解</topic><topic>量子限制效应</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>李培森 李焕勇 介万奇</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-自然科学</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of rare earths</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>李培森 李焕勇 介万奇</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of lanthanum sulfide nanoparticles by thermal decomposition of lanthanum complex</atitle><jtitle>Journal of rare earths</jtitle><addtitle>Journal of Rare Earths</addtitle><date>2011-04-01</date><risdate>2011</risdate><volume>29</volume><issue>4</issue><spage>317</spage><epage>320</epage><pages>317-320</pages><issn>1002-0721</issn><eissn>2509-4963</eissn><abstract>γ-La2S3 nanoparticles were successfully prepared by thermal decomposition of lanthanum complex La（Et2S2CN）3·phen at low temperature. The obtained sample was characterized by the X-ray powder diffraction （XRD）, scanning electron microscopy （SEM） and element analysis. The decomposition mechanism of lanthanum complex was studied by thermogravimetric analyses （TGA）. The results showed that the obtained samples were cubic phase particles with uniform sizes among 10–30 nm and γ-La2S3 was prepared by decomposition of La（Et2S2CN）3·phen via La4（Et2S2CN）3 as an intermediate product. The band gap of γ-La2S3 was 2.97 eV, which was bigger than bulk crystal because of pronounced quantum confinement effect.</abstract><pub>Elsevier B.V</pub><doi>10.1016/S1002-0721(10)60451-6</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 1002-0721 |
| ispartof | Journal of rare earths, 2011-04, Vol.29 (4), p.317-320 |
| issn | 1002-0721 2509-4963 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete; Alma/SFX Local Collection |
| subjects | Decomposition lanthanide complex Lanthanum lanthanum sesquisulfide nano-particle Nanoparticles PHEN Quantum confinement Rare earth metals rare earths Scanning electron microscopy Sulfides Thermal decomposition 复合纳米粒子 扫描电子显微镜 热分解 量子限制效应 |
| title | Preparation of lanthanum sulfide nanoparticles by thermal decomposition of lanthanum complex |
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