Sol-gel synthesis of sodium-modified AlPO4–SiO2 glasses and structural characterization by solid state NMR

2009 ◽  
Vol 19 (8) ◽  
pp. 1151 ◽  
Author(s):  
Rashmi R. Deshpande ◽  
Long Zhang ◽  
Hellmut Eckert
Keyword(s):  
Solid State ◽  
Structural Characterization ◽  
Solid State Nmr ◽  
Sol Gel ◽  
Sol Gel Synthesis

Sol–gel synthesis, phase composition, morphological and structural characterization of Ca10(PO4)6(OH)2: XRD, FTIR, SEM, 3D SEM and solid-state NMR studies

2016 ◽  
Vol 1119 ◽  
pp. 1-11 ◽  
Author(s):  
Simonas Kareiva ◽  
Vytautas Klimavicius ◽  
Aleksandr Momot ◽  
Jonas Kausteklis ◽  
Aleksandra Prichodko ◽  
...  
Keyword(s):  
Phase Composition ◽  
Solid State ◽  
Structural Characterization ◽  
Solid State Nmr ◽  
Sol Gel ◽  
Nmr Studies ◽  
Sol Gel Synthesis

Sol–gel synthesis of alumina modified by phosphorus: a solid state NMR characterization study

1999 ◽  
Vol 9 (10) ◽  
pp. 2637-2646 ◽  
Author(s):  
Juliette Quartararo ◽  
Michel Guelton ◽  
Monique Rigole ◽  
Jean‐Paul Amoureux ◽  
Christian Fernandez ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Nmr ◽  
Sol Gel ◽  
Characterization Study ◽  
Nmr Characterization ◽  
Sol Gel Synthesis

Sol-gel synthesis of phosphate ceramic composites II

1998 ◽  
Vol 13 (6) ◽  
pp. 1553-1559 ◽  
Author(s):  
Zhicheng Cao ◽  
Burtrand I. Lee ◽  
William D. Samuels ◽  
Li-Qiong Wang ◽  
Gregory J. Exarhos
Keyword(s):  
Reaction Mechanism ◽  
Solid State ◽  
Solid State Nmr ◽  
Sol Gel ◽  
Ceramic Composites ◽  
Direct Reaction ◽  
Tetraethoxy Silane ◽  
Gel Technique ◽  
Sol Gel Synthesis ◽  
First Time

Phosphate ceramics were synthesized using sol-gel technique of direct reaction of P2O5 with tetraethoxy silane (TEOS) or titanium tetraethoxide (Ti(OEt)4). The reaction mechanism of P2O5 and TEOS was deduced using liquid and solid-state NMR. Hexacoordinated silicon in phosphosilicate gels was observed. A specially structured titanium phosphate-layered Ti(HPO4)2 · 2H2O was synthesized for the first time through the sol-gel method. The gelation process and phase transformations were investigated.

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