Photoluminescence spectra and crystallization of θ-Al2O3 and α-Al2O3 from AlOOH-Fe(NO3)3 gels
Diphasic boehmite derived unseeded and seeded (by either α-Al2O3, α-Fe2O3, or Fe(NO3)3) alumina gel planar monoliths were examined by DTA, XRD and photoluminescence spectroscopy. Luminescence spectra enable sensitive monitoring of the Θ- and α-Al2O3 crystallization in heat-treated gels due to Cr3+ i...
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| Veröffentlicht in: | Journal of sol-gel science and technology 2001-08, Vol.21 (3), p.167-172 |
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| container_end_page | 172 |
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| container_issue | 3 |
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| container_title | Journal of sol-gel science and technology |
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| creator | KAKOS, J BACA, L' VEIS, P PACH, L |
| description | Diphasic boehmite derived unseeded and seeded (by either α-Al2O3, α-Fe2O3, or Fe(NO3)3) alumina gel planar monoliths were examined by DTA, XRD and photoluminescence spectroscopy. Luminescence spectra enable sensitive monitoring of the Θ- and α-Al2O3 crystallization in heat-treated gels due to Cr3+ impurity traces. Fe(NO3)3 unlike other seeds effectively influences crystallization of both Θ- and α-Al2O3. The present results are interpreted as prevailing solution or Fe3+ ion effect on the crystallization process. |
| doi_str_mv | 10.1023/A:1011218216917 |
| format | Article |
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Luminescence spectra enable sensitive monitoring of the Θ- and α-Al2O3 crystallization in heat-treated gels due to Cr3+ impurity traces. Fe(NO3)3 unlike other seeds effectively influences crystallization of both Θ- and α-Al2O3. The present results are interpreted as prevailing solution or Fe3+ ion effect on the crystallization process.</description><identifier>ISSN: 0928-0707</identifier><identifier>EISSN: 1573-4846</identifier><identifier>DOI: 10.1023/A:1011218216917</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>Aluminum oxide ; Boehmite ; Chemistry ; Colloidal gels. 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Luminescence spectra enable sensitive monitoring of the Θ- and α-Al2O3 crystallization in heat-treated gels due to Cr3+ impurity traces. Fe(NO3)3 unlike other seeds effectively influences crystallization of both Θ- and α-Al2O3. The present results are interpreted as prevailing solution or Fe3+ ion effect on the crystallization process.</description><subject>Aluminum oxide</subject><subject>Boehmite</subject><subject>Chemistry</subject><subject>Colloidal gels. Colloidal sols</subject><subject>Colloidal state and disperse state</subject><subject>Crystallization</subject><subject>Exact sciences and technology</subject><subject>Gels</subject><subject>General and physical chemistry</subject><subject>Heat treatment</subject><subject>Photoluminescence</subject><subject>Spectrum analysis</subject><issn>0928-0707</issn><issn>1573-4846</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNotjb9OwzAYxC0EEqUws1qCAYaAPzvxH7aoooBUEQaYo6-OA6ncuNjpUN6KjafoM1FBp9Pd_XRHyDmwG2Bc3JZ3wAA4aA7SgDogIyiUyHKdy0MyYobrjCmmjslJSgvGWJGDGpH65SMMwa-XXe-Sdb11NK2cHSJS7Btq4yYN6H33hUMXehpauv3JSs8r8ddvv_emjWFJS19Vj9nUXT1X4lrQd-fTKTlq0Sd3ttcxeZvev04es1n18DQpZ5kFBUPmGpTCNugENzkqNZ9rlFZbBo2WRvKm4VIpBrrFudJSoCtaqSw6ZXZRLsSYXPzvrmL4XLs01Iuwjv3usua8MIUUUpgddbmnMFn0bcTedqlexW6JcVMDgCwgF7-2UmI0</recordid><startdate>200108</startdate><enddate>200108</enddate><creator>KAKOS, J</creator><creator>BACA, L'</creator><creator>VEIS, P</creator><creator>PACH, L</creator><general>Springer</general><general>Springer Nature B.V</general><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></search><sort><creationdate>200108</creationdate><title>Photoluminescence spectra and crystallization of θ-Al2O3 and α-Al2O3 from AlOOH-Fe(NO3)3 gels</title><author>KAKOS, J ; BACA, L' ; VEIS, P ; PACH, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c171t-eda63cdae3294a77bb8a6c8c01d86962dd2677018fab7863ae5f67cae798fa433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Aluminum oxide</topic><topic>Boehmite</topic><topic>Chemistry</topic><topic>Colloidal gels. Colloidal sols</topic><topic>Colloidal state and disperse state</topic><topic>Crystallization</topic><topic>Exact sciences and technology</topic><topic>Gels</topic><topic>General and physical chemistry</topic><topic>Heat treatment</topic><topic>Photoluminescence</topic><topic>Spectrum analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>KAKOS, J</creatorcontrib><creatorcontrib>BACA, L'</creatorcontrib><creatorcontrib>VEIS, P</creatorcontrib><creatorcontrib>PACH, L</creatorcontrib><collection>Pascal-Francis</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</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><jtitle>Journal of sol-gel science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>KAKOS, J</au><au>BACA, L'</au><au>VEIS, P</au><au>PACH, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photoluminescence spectra and crystallization of θ-Al2O3 and α-Al2O3 from AlOOH-Fe(NO3)3 gels</atitle><jtitle>Journal of sol-gel science and technology</jtitle><date>2001-08</date><risdate>2001</risdate><volume>21</volume><issue>3</issue><spage>167</spage><epage>172</epage><pages>167-172</pages><issn>0928-0707</issn><eissn>1573-4846</eissn><abstract>Diphasic boehmite derived unseeded and seeded (by either α-Al2O3, α-Fe2O3, or Fe(NO3)3) alumina gel planar monoliths were examined by DTA, XRD and photoluminescence spectroscopy. Luminescence spectra enable sensitive monitoring of the Θ- and α-Al2O3 crystallization in heat-treated gels due to Cr3+ impurity traces. Fe(NO3)3 unlike other seeds effectively influences crystallization of both Θ- and α-Al2O3. The present results are interpreted as prevailing solution or Fe3+ ion effect on the crystallization process.</abstract><cop>Heidelberg</cop><pub>Springer</pub><doi>10.1023/A:1011218216917</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0928-0707 |
| ispartof | Journal of sol-gel science and technology, 2001-08, Vol.21 (3), p.167-172 |
| issn | 0928-0707 1573-4846 |
| language | eng |
| recordid | cdi_proquest_journals_2259563639 |
| source | Springer Journals |
| subjects | Aluminum oxide Boehmite Chemistry Colloidal gels. Colloidal sols Colloidal state and disperse state Crystallization Exact sciences and technology Gels General and physical chemistry Heat treatment Photoluminescence Spectrum analysis |
| title | Photoluminescence spectra and crystallization of θ-Al2O3 and α-Al2O3 from AlOOH-Fe(NO3)3 gels |
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