Iron oxide modified mesoporous carbons: Physicochemical and catalytic study

Series of iron oxide supported on CMK-1 and CMK-3 materials obtained by impregnation from aqueous or organic media are studied by TPR, XAFS, Moessbauer spectroscopy and methanol decomposition as a catalytic test. More highly dispersed iron oxide particles are obtained using ethanolic impregnation medium, but their dispersion is affected to a low extent by the support pore structure. On the basis of the combined results on the state and reductive phase transformations of the loaded iron oxide particles, more accessible CMK-3 in comparison with CMK-1 pore structure is assumed.