Pseudotetrahedral O3/2VO Centers Immobilized on the Walls of a Mesoporous, Cubic MCM-48 Support:  Preparation, Characterization, and Reactivity toward Water As …

M Morey, A Davidson, H Eckert, G Stucky - Chemistry of materials, 1996 - ACS Publications
The high hydroxyl content of mesoporous silicates makes it possible to use them as anchors
for the attachment of transition-metal species. In the present study, three different samples …

Creation of VOx Surface Species on Pure Silica MCM-48 Using Gas-Phase Modification with VO(acac)2

P Van Der Voort, M Morey, GD Stucky… - The Journal of …, 1998 - ACS Publications
Pure silica MCM-48 is prepared by a novel synthesis method, using the [C18H37N+ (CH3)
2−(CH2) 12− N+ (CH3) 2C18H37]⊙ 2Br-surfactant, abbreviated as GEMINI 18-12-18. The …

Vanadium-incorporated MCM-48 materials: optimization of the synthesis procedure and an in situ spectroscopic study of the vanadium species

M Mathieu, P Van Der Voort… - The Journal of …, 2001 - ACS Publications
Highly crystalline and porous vanadium-incorporated MCM-48 materials were prepared
using gemini surfactants as structure-directing agents and vanadyl sulfate pentahydrate as …

Synthesis of Stable, Hydrophobic MCM-48/VOx Catalysts Using Alkylchlorosilanes as Coupling Agents for the Molecular Designed Dispersion of VO(acac)2

P Van Der Voort, M Baltes… - The Journal of Physical …, 1999 - ACS Publications
The use of dimethyldichlorosilane as a coupling agent for the grafting of VO x structures on
the MCM-48 surface produces a material that is simultaneously hydrophobic (immiscible …

Reducibility of vanadium oxide species in MCM-41

G Grubert, J Rathouský, G Schulz-Ekloff, M Wark… - Microporous and …, 1998 - Elsevier
Vanadium-containing MCM-41 materials were prepared by (i) in situ incorporation of V
during hydrothermal synthesis (denoted as V–MCM-41-syn),(ii) chemical vapour deposition …

Synthesis and characterization of mesostructured vanadium oxide

V Luca, DJ Maclachlan, JM Hook… - Chemistry of …, 1995 - ACS Publications
The use of organic molecules as templates for the synthesis of zeolites and molecular
sieves* 1 as well as simple porous oxides has a long history. Although micellar and reverse …

Mesoporous materials

DM Antonelli, JY Ying - Current Opinion in Colloid & Interface Science, 1996 - Elsevier
There have been advances in mesoporous structures in extending the composition to
include transition metal oxide analogs of MCM-41, in understanding the mechanism of …

Synthesis and characterization of vanadium-substituted mesoporous molecular sieves

D Wei, H Wang, X Feng, WT Chueh… - The Journal of …, 1999 - ACS Publications
First-row transition metal containing silicalite zeolites are important oxidation catalysts.
Special attention has been devoted to develop new systems with an uniform pore size …

Catalysis in a porous molecular capsule: Activation by regulated access to sixty metal centers spanning a truncated icosahedron

S Kopilevich, A Gil, M Garcia-Ratés… - Journal of the …, 2012 - ACS Publications
The 30 cationic {MoV2O4 (acetate)}+ units linking 12 negatively charged pentagonal
“ligands,”{(MoVI) MoVI5O21 (H2O) 6} 6–of the porous metal-oxide capsule,[{MoVI6O21 …

MCM-41 functionalized with bipyridyl groups and its use as a support for oxomolybdenum (VI) catalysts

CD Nunes, AA Valente, M Pillinger… - Journal of Materials …, 2002 - pubs.rsc.org
The ordered mesoporous silica MCM-41 was covalently grafted with (3-chloropropyl)
trimethoxysilane. Chloro substitution by the anion [4-CH2-4′-Me-2, 2′-bipyridine]− gave a …