Comprehensive characterization of highly ordered MCM-41 silicas using nitrogen adsorption, thermogravimetry, X-ray diffraction and transmission electron microscopy

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dc.contributor.authorJaroniec, Mko
dc.contributor.authorKruk, Mko
dc.contributor.authorShin, HJko
dc.contributor.authorRyoo, Ryongko
dc.contributor.authorSakamoto, Yko
dc.contributor.authorTerasaki, Oko
dc.date.accessioned2010-02-22T05:29:10Z-
dc.date.available2010-02-22T05:29:10Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2001-11-
dc.identifier.citationMICROPOROUS AND MESOPOROUS MATERIALS, v.48, pp.127 - 134-
dc.identifier.issn1387-1811-
dc.identifier.urihttp://hdl.handle.net/10203/16739-
dc.description.abstractHighly ordered MCM-41 silicas were synthesized using a new procedure and their structures were thoroughly characterized. Using the new synthesis method and the previously reported similar one, the pore diameter of MCM-41 can be tailored from 3.1 to 4.9 mn with about 0.35 nm increments and reproducibility usually better than +/-0.1 nm using surfactants of different chain length. The surfactant content and structural parameters of MCM-41 synthesized using the same single surfactant or surfactant mixture were highly similar for different silica:surfactant molar ratios in the synthesis mixture. Moreover, the silica:surfactant molar ratio in as-synthesized MCM-41 was quite independent of the chain length of the surfactant used and approximately equal to 8. This may be related to the well-defined synthesis conditions imposed by the pH adjustment procedure employed. The results indicate that the silica: surfactant ratios in starting mixtures suitable for the synthesis of high-quality MCM-41 under the present synthesis conditions should not exceed about 8 to avoid contamination with amorphous silica. (C) 2001 Elsevier Science B.V. All rights reserved.-
dc.description.sponsorshipM. J. acknowledges the donors of the Petroleum Research Fund administrated by the American Chemical Society for a partial support from KOSEF(961-0305-037-2). O. T. thanks CREST, JST for financial support.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCIENCE BV-
dc.subjectMESOPOROUS MOLECULAR-SIEVES-
dc.subjectPORE WALL-
dc.subjectSTABILITY-
dc.subjectKANEMITE-
dc.subjectSIZE-
dc.titleComprehensive characterization of highly ordered MCM-41 silicas using nitrogen adsorption, thermogravimetry, X-ray diffraction and transmission electron microscopy-
dc.typeArticle-
dc.identifier.wosid000171908700017-
dc.identifier.scopusid2-s2.0-0035503829-
dc.type.rimsART-
dc.citation.volume48-
dc.citation.beginningpage127-
dc.citation.endingpage134-
dc.citation.publicationnameMICROPOROUS AND MESOPOROUS MATERIALS-
dc.identifier.doi10.1016/S1387-1811(01)00335-3-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorRyoo, Ryong-
dc.contributor.nonIdAuthorJaroniec, M-
dc.contributor.nonIdAuthorKruk, M-
dc.contributor.nonIdAuthorShin, HJ-
dc.contributor.nonIdAuthorSakamoto, Y-
dc.contributor.nonIdAuthorTerasaki, O-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordAuthorMCM-41 synthesis-
dc.subject.keywordAuthormesoporous silica-
dc.subject.keywordAuthornitrogen adsorption-
dc.subject.keywordAuthorthermogravimetry-
dc.subject.keywordAuthormesopore structure characterization-
dc.subject.keywordPlusMESOPOROUS MOLECULAR-SIEVES-
dc.subject.keywordPlusPORE WALL-
dc.subject.keywordPlusSTABILITY-
dc.subject.keywordPlusKANEMITE-
dc.subject.keywordPlusSIZE-
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