Abstract

Two types of Nb-containing mesoporous materials were studied: (i) NbSBA-15 with 2D-hexagonal structure and (ii) NbFDU-1 with cage-like structure. The elucidation of the pore connectivity and the pore blockage on the basis of nitrogen and argon desorption isotherms combined with FTIR and H2-TPR studies is presented for niobium-containing materials. Moreover, the surface properties are studied by FTIR with NO, while the catalytic activity is examined by sulfide and cyclohexene oxidation with hydrogen peroxide.

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