Synthesis and characterization of rod-like Y2O3 and Y2O3:Eu3
Y₂O₃ rods 100 to 200 nm in diameter and 10 to 20 μm in length are accessible via polyol-mediated synthesis of a precursor material with similar shape. By heating of Y(CH₃COO)₃ · xH₂O and a defined amount of water at 190°C in diethylene glycol, the rod-like precursor material is formed. Infrared spec...
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| Veröffentlicht in: | Journal of materials science 2003-01, Vol.38 (8), p.1731-1735 |
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| container_title | Journal of materials science |
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| creator | Feldmann, C Merikhi, J |
| description | Y₂O₃ rods 100 to 200 nm in diameter and 10 to 20 μm in length are accessible via polyol-mediated synthesis of a precursor material with similar shape. By heating of Y(CH₃COO)₃ · xH₂O and a defined amount of water at 190°C in diethylene glycol, the rod-like precursor material is formed. Infrared spectroscopy (IR), differential thermal analysis (DTA) and thermal gravimetry (TG) evidence that this precursor material still contains acetate. However, the precursor material can be transformed to Y₂O₃ by sintering at 600°C without destruction of the rod-like shape. According to X-ray powder diffraction analysis, the rods are well crystallized. They can be assumed to be with [100] orientation. By doping with Eu³⁺ (5 mol%), red emitting phosphor rods can be realized. With optical spectroscopy the typical line emission of Eu³⁺ is observed. Diffuse reflectance of Y₂O₃:Eu³⁺ rods is determined to be higher than 95% in the visible. While exciting at 254 nm (Hg-discharge), a quantum efficiency of 38.5% is proven for the prepared Y₂O₃:Eu³⁺ rods. |
| doi_str_mv | 10.1023/A:1023279710821 |
| format | Article |
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By heating of Y(CH₃COO)₃ · xH₂O and a defined amount of water at 190°C in diethylene glycol, the rod-like precursor material is formed. Infrared spectroscopy (IR), differential thermal analysis (DTA) and thermal gravimetry (TG) evidence that this precursor material still contains acetate. However, the precursor material can be transformed to Y₂O₃ by sintering at 600°C without destruction of the rod-like shape. According to X-ray powder diffraction analysis, the rods are well crystallized. They can be assumed to be with [100] orientation. By doping with Eu³⁺ (5 mol%), red emitting phosphor rods can be realized. With optical spectroscopy the typical line emission of Eu³⁺ is observed. Diffuse reflectance of Y₂O₃:Eu³⁺ rods is determined to be higher than 95% in the visible. While exciting at 254 nm (Hg-discharge), a quantum efficiency of 38.5% is proven for the prepared Y₂O₃:Eu³⁺ rods.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1023/A:1023279710821</identifier><identifier>CODEN: JMTSAS</identifier><language>eng</language><publisher>Heidelberg: Kluwer Academic Publishers</publisher><subject>acetates ; Applied sciences ; Building materials. Ceramics. Glasses ; Ceramic industries ; Chemical industry and chemicals ; Crystallization ; diethylene glycol ; Differential thermal analysis ; Europium ; Exact sciences and technology ; Gravimetric analysis ; gravimetry ; heat ; Infrared analysis ; Infrared spectroscopy ; materials ; Materials science ; Miscellaneous ; Moisture content ; Phosphors ; polyols ; Precursors ; Quantum efficiency ; Reflectance ; Rods ; Sintering (powder metallurgy) ; spectroscopy ; Spectrum analysis ; Synthesis ; Technical ceramics ; thermal analysis ; X ray powder diffraction ; X-ray diffraction ; Yttrium oxide</subject><ispartof>Journal of materials science, 2003-01, Vol.38 (8), p.1731-1735</ispartof><rights>2003 INIST-CNRS</rights><rights>Journal of Materials Science is a copyright of Springer, (2003). 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By heating of Y(CH₃COO)₃ · xH₂O and a defined amount of water at 190°C in diethylene glycol, the rod-like precursor material is formed. Infrared spectroscopy (IR), differential thermal analysis (DTA) and thermal gravimetry (TG) evidence that this precursor material still contains acetate. However, the precursor material can be transformed to Y₂O₃ by sintering at 600°C without destruction of the rod-like shape. According to X-ray powder diffraction analysis, the rods are well crystallized. They can be assumed to be with [100] orientation. By doping with Eu³⁺ (5 mol%), red emitting phosphor rods can be realized. With optical spectroscopy the typical line emission of Eu³⁺ is observed. Diffuse reflectance of Y₂O₃:Eu³⁺ rods is determined to be higher than 95% in the visible. While exciting at 254 nm (Hg-discharge), a quantum efficiency of 38.5% is proven for the prepared Y₂O₃:Eu³⁺ rods.</description><subject>acetates</subject><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic industries</subject><subject>Chemical industry and chemicals</subject><subject>Crystallization</subject><subject>diethylene glycol</subject><subject>Differential thermal analysis</subject><subject>Europium</subject><subject>Exact sciences and technology</subject><subject>Gravimetric analysis</subject><subject>gravimetry</subject><subject>heat</subject><subject>Infrared analysis</subject><subject>Infrared spectroscopy</subject><subject>materials</subject><subject>Materials science</subject><subject>Miscellaneous</subject><subject>Moisture content</subject><subject>Phosphors</subject><subject>polyols</subject><subject>Precursors</subject><subject>Quantum efficiency</subject><subject>Reflectance</subject><subject>Rods</subject><subject>Sintering (powder metallurgy)</subject><subject>spectroscopy</subject><subject>Spectrum analysis</subject><subject>Synthesis</subject><subject>Technical ceramics</subject><subject>thermal analysis</subject><subject>X ray powder diffraction</subject><subject>X-ray diffraction</subject><subject>Yttrium oxide</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpd0L1PwzAQBXALgUQpzIxEQrAFzmc7tiuWqiofUqUOpQNTdE0cmpImxU6H8teT0k5M74afTk-PsWsODxxQPA4H-0BtNQeD_IT1uNIilgbEKesBIMYoE37OLkJYAYDSyHvsabar26ULZYiozqNsSZ6y1vnyh9qyqaOmiHyTx1X55aIPnIo_tT8G4624ZGcFVcFdHbPP5s_j99FrPJm-vI2GkzhDKdvYCJAFSLvgZHNlnCFrbEKYA6HVeqF1oUhpyBXPOZGCIsuNsxIROBTciT67P_zd-OZ760KbrsuQuaqi2jXbkKIBEInlHbz9B1fN1tddtxRRWQ1gu4367O6oKGRUFZ7qrAzpxpdr8ruUS50kKrGduzm4gpqUPn1n5rOuU9Kth1wiiF-Au2pC</recordid><startdate>20030101</startdate><enddate>20030101</enddate><creator>Feldmann, C</creator><creator>Merikhi, J</creator><general>Kluwer Academic Publishers</general><general>Springer</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>IQODW</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7QQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20030101</creationdate><title>Synthesis and characterization of rod-like Y2O3 and Y2O3:Eu3</title><author>Feldmann, C ; Merikhi, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c244t-8304f049b1a9d58e8a9896a2d0a2977b77f5a570d51d1aa50fcd8e9422010f1e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>acetates</topic><topic>Applied sciences</topic><topic>Building materials. 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Glasses</topic><topic>Ceramic industries</topic><topic>Chemical industry and chemicals</topic><topic>Crystallization</topic><topic>diethylene glycol</topic><topic>Differential thermal analysis</topic><topic>Europium</topic><topic>Exact sciences and technology</topic><topic>Gravimetric analysis</topic><topic>gravimetry</topic><topic>heat</topic><topic>Infrared analysis</topic><topic>Infrared spectroscopy</topic><topic>materials</topic><topic>Materials science</topic><topic>Miscellaneous</topic><topic>Moisture content</topic><topic>Phosphors</topic><topic>polyols</topic><topic>Precursors</topic><topic>Quantum efficiency</topic><topic>Reflectance</topic><topic>Rods</topic><topic>Sintering (powder metallurgy)</topic><topic>spectroscopy</topic><topic>Spectrum analysis</topic><topic>Synthesis</topic><topic>Technical ceramics</topic><topic>thermal analysis</topic><topic>X ray powder diffraction</topic><topic>X-ray diffraction</topic><topic>Yttrium oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Feldmann, C</creatorcontrib><creatorcontrib>Merikhi, J</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Feldmann, C</au><au>Merikhi, J</au><au>WCA</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterization of rod-like Y2O3 and Y2O3:Eu3</atitle><jtitle>Journal of materials science</jtitle><date>2003-01-01</date><risdate>2003</risdate><volume>38</volume><issue>8</issue><spage>1731</spage><epage>1735</epage><pages>1731-1735</pages><issn>0022-2461</issn><eissn>1573-4803</eissn><coden>JMTSAS</coden><abstract>Y₂O₃ rods 100 to 200 nm in diameter and 10 to 20 μm in length are accessible via polyol-mediated synthesis of a precursor material with similar shape. By heating of Y(CH₃COO)₃ · xH₂O and a defined amount of water at 190°C in diethylene glycol, the rod-like precursor material is formed. Infrared spectroscopy (IR), differential thermal analysis (DTA) and thermal gravimetry (TG) evidence that this precursor material still contains acetate. However, the precursor material can be transformed to Y₂O₃ by sintering at 600°C without destruction of the rod-like shape. According to X-ray powder diffraction analysis, the rods are well crystallized. They can be assumed to be with [100] orientation. By doping with Eu³⁺ (5 mol%), red emitting phosphor rods can be realized. With optical spectroscopy the typical line emission of Eu³⁺ is observed. Diffuse reflectance of Y₂O₃:Eu³⁺ rods is determined to be higher than 95% in the visible. While exciting at 254 nm (Hg-discharge), a quantum efficiency of 38.5% is proven for the prepared Y₂O₃:Eu³⁺ rods.</abstract><cop>Heidelberg</cop><pub>Kluwer Academic Publishers</pub><doi>10.1023/A:1023279710821</doi><tpages>5</tpages></addata></record> |
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| subjects | acetates Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Crystallization diethylene glycol Differential thermal analysis Europium Exact sciences and technology Gravimetric analysis gravimetry heat Infrared analysis Infrared spectroscopy materials Materials science Miscellaneous Moisture content Phosphors polyols Precursors Quantum efficiency Reflectance Rods Sintering (powder metallurgy) spectroscopy Spectrum analysis Synthesis Technical ceramics thermal analysis X ray powder diffraction X-ray diffraction Yttrium oxide |
| title | Synthesis and characterization of rod-like Y2O3 and Y2O3:Eu3 |
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