High-temperature synthesis of ordered mesoporous silicas from solo hydrocarbon surfactants and understanding of their synthetic mechanisms
Ordered mesoporous silicas (SBA-15 or MCM-41) have been directly hydrothermally synthesized at high temperatures (160-180 'C) by using a solo hydrocarbon surfactant (P123 or CTAB). 'H NMR spectra and thermogravimetric (TG) curves showed that these hydrocarbon surfactants decomposed during...
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| Veröffentlicht in: | Journal of materials chemistry 2009-02, Vol.19 (5), p.661-665 |
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| container_end_page | 665 |
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| container_issue | 5 |
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| container_title | Journal of materials chemistry |
| container_volume | 19 |
| creator | NI XIAO LIANG WANG SEN LIU YONGCUN ZOU CHUNYU WANG YANYAN JI JIANGWEI SONG FEI LI XIANGJU MENG XIAO, Feng-Shou |
| description | Ordered mesoporous silicas (SBA-15 or MCM-41) have been directly hydrothermally synthesized at high temperatures (160-180 'C) by using a solo hydrocarbon surfactant (P123 or CTAB). 'H NMR spectra and thermogravimetric (TG) curves showed that these hydrocarbon surfactants decomposed during the preparation process at such high temperatures. Accordingly, we proposed that the surfactant micelle plays an important role during the cooperative self-assembly of the silicates and surfactants in the initial stage for the formation of basic mesostructure, and it is no longer indispensable in the subsequent hydrothermal treatment at high temperature. |
| doi_str_mv | 10.1039/b817616g |
| format | Article |
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'H NMR spectra and thermogravimetric (TG) curves showed that these hydrocarbon surfactants decomposed during the preparation process at such high temperatures. 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'H NMR spectra and thermogravimetric (TG) curves showed that these hydrocarbon surfactants decomposed during the preparation process at such high temperatures. 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| fulltext | fulltext |
| identifier | ISSN: 0959-9428 |
| ispartof | Journal of materials chemistry, 2009-02, Vol.19 (5), p.661-665 |
| issn | 0959-9428 1364-5501 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Adsorbents Chemistry Cross-disciplinary physics: materials science rheology Exact sciences and technology General and physical chemistry Materials science Materials synthesis materials processing Physics Surface physical chemistry |
| title | High-temperature synthesis of ordered mesoporous silicas from solo hydrocarbon surfactants and understanding of their synthetic mechanisms |
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