Nanoparticles of 3d transition metal oxides in mesoporous MCM-48 silica host structures: Synthesis and characterization

R Köhn, M Fröba - Catalysis today, 2001 - Elsevier
Transition metal oxide nanoparticles were synthesized within mesoporous MCM-48 silica
phases. By wet impregnation, drying, and calcination procedures, it was possible to form …

Fe2O3 Nanoparticles within Mesoporous MCM-48 Silica:  In Situ Formation and Characterization

M Fröba, R Köhn, G Bouffaud, O Richard… - Chemistry of …, 1999 - ACS Publications
Iron (III) oxide nanoparticles were synthesized within mesoporous MCM-48 silica phases. By
using multiple cycles of wet impregnation, drying, and calcination procedures, it was …

Nanosized metal oxides in the mesopores of MCM-41 and MCM-48 silicates

SE Dapurkar, SK Badamali, P Selvam - Catalysis Today, 2001 - Elsevier
The present work describes the preparation and characterization of nanosized metal oxide
particles (Fe2O3, ZnO and PbO) inside the mesopore channels of MCM-41 and MCM-48 …

Deposition and thermal transformation of metal oxides in mesoporous SBA-15 silica with hydrophobic mesopores

CH Liu, NC Lai, SC Liou, MW Chu, CH Chen… - Microporous and …, 2013 - Elsevier
We have previously shown that mesoporous SBA-15 silica with hydrophobic mesopores can
be applied to deposit nanosized metals or metal oxides selectively in the intra-wall …

Critical evaluation of the state of iron oxide nanoparticles on different mesoporous silicas prepared by an impregnation method

T Tsoncheva, J Rosenholm, M Linden, F Kleitz… - Microporous and …, 2008 - Elsevier
Mesoporous SBA-15 (space group p6mm), KIT-6 (Ia3d) and KIT-5 (Fm3m) silicas, exhibiting
different 2-D and 3-D channel-or cage-like pore structure and pore dimensions have been …

Studies on the state of iron oxide nanoparticles in MCM-41 and MCM-48 silica materials

R Köhn, D Paneva, M Dimitrov, T Tsoncheva… - Microporous and …, 2003 - Elsevier
Phase transformations in and the reductive and catalytic properties of mesoporous MCM-41
and MCM-48 silica molecular sieves modified with iron oxide were studied by X-ray …

Synthesis and characterization of silica MCM-48 as carrier of size-confined nanocrystalline metal oxides particles inside the pore system

H Gies, S Grabowski, M Bandyopadhyay… - Microporous and …, 2003 - Elsevier
The interpenetrating 3-dimensional channel system of silica MCM-48 has been selected for
the deposition of Cu/Zn/O mixed metal oxide particles. With the wet impregnation technique …

Synthetic insertion of gold nanoparticles into mesoporous silica

Z Kónya, VF Puntes, I Kiricsi, J Zhu, JW Ager… - Chemistry of …, 2003 - ACS Publications
Industrial catalysts often consist of transition metals supported on microporous or
mesoporous high surface area oxides and are prepared by techniques such as …

New synthetic route for the incorporation of manganese species into the pores of MCM-48

S Gómez, O Giraldo, LJ Garcés, J Villegas… - Chemistry of …, 2004 - ACS Publications
The present work describes a new way to synthesize manganese species within the
channels of mesoporous MCM-48 silica using permanganate as manganese precursor …

Iron oxide nanoparticles inside the MCM-41 channels: Study of the structural stability of the support

JF Bengoa, MV Cagnoli, NG Gallegos… - Microporous and …, 2005 - Elsevier
We report the synthesis of the MCM-41 mesoporous solid chosen as support of Fe
nanoparticles, which yields a narrow distribution of oxide crystal sizes. MCM-41 was …