Non-aqueous template-assisted synthesis of mesoporous nanocrystalline silicon orthophosphate

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14740%2F15%3A00084631" target="_blank" >RIV/00216224:14740/15:00084631 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26620/15:PU136002
Result on the web
<a href="http://dx.doi.org/10.1039/c5ra10982e" target="_blank" >http://dx.doi.org/10.1039/c5ra10982e</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/c5ra10982e" target="_blank" >10.1039/c5ra10982e</a>

Result language
angličtina
Original language name
Non-aqueous template-assisted synthesis of mesoporous nanocrystalline silicon orthophosphate
Original language description
The first synthesis of mesoporous nanocrystalline silicon orthophosphate Si5P6O25 is presented. The synthetic procedure is based on the non-hydrolytic sol-gel reaction in the presence of Pluronic P123 template and subsequent calcination in air. The condensation of silicon acetate, Si(OAc)(4), and tris(trimethylsilyl) phosphate, OP(OSiMe3)(3) (TTP), in non-aqueous solvents driven by elimination of trimethylsilyl acetate provides a homogeneous network with a high content of Si-O-P bonds and SiO6 moieties.After burning out the template, mesoporous silicon orthophosphate was obtained with surface areas up to 128 m(2) g(-1) and pore sizes around 20 nm. The nanocrystalline Si5P6O25 phase forms relatively easily (500 degrees C, 4 h) in comparison with othersynthetic routes. All samples were characterized by SEM, TEM, elemental analysis, TGA, nitrogen adsorption, SAXS, H-1, C-13, Si-29, and P-31 solid-state NMR spectroscopy, and powder XRD.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CA - Inorganic chemistry
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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