-
Article
Effects of the synthetic condition on the stability, particle size and redox chemistry of nanoporous CoAlPO-34
This study focuses on the effect of the synthetic conditions on the stability, particle size, redox chemistry of cobalt into the framework of CoAlPO-34. It seems that the most sufficient pH for the substitutio...
-
Article
Reactivities study of titanium sites in titanosilicate frameworks by in situ XANES
This study focused on the study of titanium sites, their local structure and reactivities in nanoporous titanosilicates frameworks by using in situ X-ray absorption spectroscopy. XANES provides the information...
-
Article
On the Nature and Location of Organic Template Molecules and Their Effect on the Stability and Redox Properties of Microporous CoAlPO-34 Catalyst
Small-pore CoAlPO-34 materials were synthesized with a variety of organic template molecules and were characterized in detail, employing microcrystal diffraction, powder diffraction and in situ combined XRD/XAS t...
-
Article
Towards an Environmentally Acceptable Heterogeneous Catalytic Method of Producing Adipic Acid by the Oxidation of Hydrocarbons in Air
A survey is given of the catalytic methods potentially available for the production of adipic acid by the oxidation of readily available hydrocarbon precursors under environmentally benign conditions. Encourag...
-
Article
Combining X‐ray absorption with X‐ray diffraction for the structural elucidation of catalysts
We describe how the combined XAS/XRD technique can provide powerful information on the structures of catalytically active centres. We consider some of the most industrially important catalysts, including Fe‐ZS...
-
Article
In situ combined X‐ray absorption spectroscopic and X‐ray diffractometric studies of solid catalysts
The merits of employing combined in situ X‐ray absorption spectroscopy (XAS) and X‐ray diffractometry (XRD) are described by reference to a number of examples, which encompass: (i) crystallisation of molecular...
-
Article
Synthesis and characterisation by X-ray absorption spectroscopy of a suite of seven mesoporous catalysts containing metal ions in framework sites
MCM-41 type mesoporous silicas have been prepared in which one or more of the following elements are accommodated in framework sites: titanium, iron, chromium, vanadium, manganese, boron and aluminium. XRD and...