A new approach to the determination of atomic-architecture of amorphous zeolite precursors by high-energy X-ray diffraction technique
The structure of amorphous precursor species formed under hydrothermal conditions, prior to the onset of crystallization of microporous aluminosilicate zeolites, is determined employing high-energy X-ray diffraction (HEXRD). The investigation, combined with the use of reverse Monte Carlo modelling s...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2006-01, Vol.8 (2), p.224-227 |
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| container_title | Physical chemistry chemical physics : PCCP |
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| creator | WAKIHARA, Toru KOHARA, Shinji SANKAR, Gopinathan SAITO, Seijiro SANCHEZ-SANCHEZ, Manuel OVERWEG, Arian R WEI FAN OGURA, Masaru OKUBO, Tatsuya |
| description | The structure of amorphous precursor species formed under hydrothermal conditions, prior to the onset of crystallization of microporous aluminosilicate zeolites, is determined employing high-energy X-ray diffraction (HEXRD). The investigation, combined with the use of reverse Monte Carlo modelling suggests that even numbered rings, especially 4R (R: ring) and 6R, which are the dominant aluminosilicate rings in zeolite A, have already been produced in the precursor. The model implies that the formation of double 4Rs occurs at the final step of the crystallization of zeolite A. |
| doi_str_mv | 10.1039/b512840d |
| format | Article |
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The investigation, combined with the use of reverse Monte Carlo modelling suggests that even numbered rings, especially 4R (R: ring) and 6R, which are the dominant aluminosilicate rings in zeolite A, have already been produced in the precursor. The model implies that the formation of double 4Rs occurs at the final step of the crystallization of zeolite A.</description><subject>Algorithms</subject><subject>Aluminum Silicates - chemistry</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Crystallography, X-Ray</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Ion-exchange</subject><subject>Monte Carlo Method</subject><subject>Porous materials</subject><subject>Surface physical chemistry</subject><subject>Zeolites - chemistry</subject><subject>Zeolites: preparations and properties</subject><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkM1u1TAQRi1URH9A6hMgb4q6CdixYzvLtkBBqsSmC3aRM540rpI42I7QZc97Y3qv2pVHnqMz-j5Czjn7yJloP_UNr41k7hU54VKJqmVGHj3PWh2T05QeGWO84eINOeZKmrpW8oT8vaIL_qZ2XWOwMNIcaB6ROswYZ7_Y7MNCw0BtDrOHykYYfUbIW8Sn7znEdQxbon8wTGVD14iwxRRiov2Ojv5hrHDB-LCjP6tod9T5YYgWnrxFNC7-14ZvyevBTgnfHd4zcv_1y_3Nt-rux-33m6u7CkSrcyWRGxzA9Vo2jTACgfeu7TVvwCmUwjoLxtQGEFrOXK0Z57o3rR4abp0UZ-TDXlvClqspd7NPgNNkFywZOqWVqlUtCni5ByGGlCIO3Rr9bOOu46z733h3vW_8c0HfH5xbP6N7AQ8VF-DiANgEdirhF_DphdNSta3m4h9uf4sy</recordid><startdate>20060114</startdate><enddate>20060114</enddate><creator>WAKIHARA, Toru</creator><creator>KOHARA, Shinji</creator><creator>SANKAR, Gopinathan</creator><creator>SAITO, Seijiro</creator><creator>SANCHEZ-SANCHEZ, Manuel</creator><creator>OVERWEG, Arian R</creator><creator>WEI FAN</creator><creator>OGURA, Masaru</creator><creator>OKUBO, Tatsuya</creator><general>Royal Society of Chemistry</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20060114</creationdate><title>A new approach to the determination of atomic-architecture of amorphous zeolite precursors by high-energy X-ray diffraction technique</title><author>WAKIHARA, Toru ; KOHARA, Shinji ; SANKAR, Gopinathan ; SAITO, Seijiro ; SANCHEZ-SANCHEZ, Manuel ; OVERWEG, Arian R ; WEI FAN ; OGURA, Masaru ; OKUBO, Tatsuya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c397t-4e18efcdb7455383ec1bd9b715cd6e43adac8828cec910d270117b897f51ad43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Algorithms</topic><topic>Aluminum Silicates - chemistry</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Crystallography, X-Ray</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Ion-exchange</topic><topic>Monte Carlo Method</topic><topic>Porous materials</topic><topic>Surface physical chemistry</topic><topic>Zeolites - chemistry</topic><topic>Zeolites: preparations and properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>WAKIHARA, Toru</creatorcontrib><creatorcontrib>KOHARA, Shinji</creatorcontrib><creatorcontrib>SANKAR, Gopinathan</creatorcontrib><creatorcontrib>SAITO, Seijiro</creatorcontrib><creatorcontrib>SANCHEZ-SANCHEZ, Manuel</creatorcontrib><creatorcontrib>OVERWEG, Arian R</creatorcontrib><creatorcontrib>WEI FAN</creatorcontrib><creatorcontrib>OGURA, Masaru</creatorcontrib><creatorcontrib>OKUBO, Tatsuya</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Physical chemistry chemical physics : PCCP</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>WAKIHARA, Toru</au><au>KOHARA, Shinji</au><au>SANKAR, Gopinathan</au><au>SAITO, Seijiro</au><au>SANCHEZ-SANCHEZ, Manuel</au><au>OVERWEG, Arian R</au><au>WEI FAN</au><au>OGURA, Masaru</au><au>OKUBO, Tatsuya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A new approach to the determination of atomic-architecture of amorphous zeolite precursors by high-energy X-ray diffraction technique</atitle><jtitle>Physical chemistry chemical physics : PCCP</jtitle><addtitle>Phys Chem Chem Phys</addtitle><date>2006-01-14</date><risdate>2006</risdate><volume>8</volume><issue>2</issue><spage>224</spage><epage>227</epage><pages>224-227</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract>The structure of amorphous precursor species formed under hydrothermal conditions, prior to the onset of crystallization of microporous aluminosilicate zeolites, is determined employing high-energy X-ray diffraction (HEXRD). The investigation, combined with the use of reverse Monte Carlo modelling suggests that even numbered rings, especially 4R (R: ring) and 6R, which are the dominant aluminosilicate rings in zeolite A, have already been produced in the precursor. The model implies that the formation of double 4Rs occurs at the final step of the crystallization of zeolite A.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><pmid>16482264</pmid><doi>10.1039/b512840d</doi><tpages>4</tpages></addata></record> |
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| source | MEDLINE; Royal Society of Chemistry Journals Archive (1841-2007); Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Algorithms Aluminum Silicates - chemistry Chemistry Colloidal state and disperse state Crystallography, X-Ray Exact sciences and technology General and physical chemistry Ion-exchange Monte Carlo Method Porous materials Surface physical chemistry Zeolites - chemistry Zeolites: preparations and properties |
| title | A new approach to the determination of atomic-architecture of amorphous zeolite precursors by high-energy X-ray diffraction technique |
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