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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la902239m
|2 doi
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|a pubmed25n0637.xml
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|a eng
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|a Mohanty, Paritosh
|e verfasserin
|4 aut
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|a Ultrafast sonochemical synthesis of methane and ethane bridged periodic mesoporous organosilicas
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.03.2010
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|a Date Revised 13.01.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Periodic mesoporous organosilicas (PMOs) with methane and ethane bridging groups were synthesized by the condensation of bis(triethoxysilyl)methane and bis(triethoxysilyl)ethane, respectively, in an ultrafast sonochemical method with a short reaction time of 30 min using a cationic template (1-hexadecyl)trimethylammonium bromide (HTABr). Subsequently, the template HTABr was extracted by another 30 min of sonication in an acetone/HCl mixture. The whole experimental process for the synthesis and extraction of the PMOs took about 1 h, which is much shorter than any other reported methods. Both the PMOs have very high surface areas of 1200-1390 m(2) g(-1) with a narrow pore size distribution of approximately 3 nm. This sonochemical method further extended for the synthesis of large pore (pore size of approximately 5 nm) methane and ethane bridged PMOs using a triblock copolymer Pluronic P123 as template. The methane and ethane bridged PMO materials thus obtained were characterized by small-angle X-ray scattering, transmission electron microscopy, nitrogen sorption, and solid-state NMR techniques
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|a Journal Article
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|a Linn, Nyi Myat Khine
|e verfasserin
|4 aut
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|a Landskron, Kai
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1991
|g 26(2010), 2 vom: 19. Jan., Seite 1147-51
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|x 1520-5827
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| 773 |
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|g volume:26
|g year:2010
|g number:2
|g day:19
|g month:01
|g pages:1147-51
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|u http://dx.doi.org/10.1021/la902239m
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