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 ◽  
...  
2016 ◽  
Vol 1119 ◽  
pp. 1-11 ◽  
Author(s):  
Simonas Kareiva ◽  
Vytautas Klimavicius ◽  
Aleksandr Momot ◽  
Jonas Kausteklis ◽  
Aleksandra Prichodko ◽  
...  

1998 ◽  
Vol 13 (6) ◽  
pp. 1553-1559 ◽  
Author(s):  
Zhicheng Cao ◽  
Burtrand I. Lee ◽  
William D. Samuels ◽  
Li-Qiong Wang ◽  
Gregory J. Exarhos

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.


2006 ◽  
pp. 744 ◽  
Author(s):  
Liang Ouyang ◽  
Pedro M. Aguiar ◽  
Raymond J. Batchelor ◽  
Scott Kroeker ◽  
Daniel B. Leznoff

1997 ◽  
Vol 69 (9) ◽  
pp. 1756-1762 ◽  
Author(s):  
Bernard Lynch ◽  
Jeremy D. Glennon ◽  
Christof Tröltzsch ◽  
Ulf Menyes ◽  
Matthias Pursch ◽  
...  

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