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Boron-containing MCM-48 cubic mesoporous molecular sieves with different boron contents were synthesized and characterized by XRD, N 2 adsorption, TEM, and NMR spectroscopy. All BMCM-48 samples possess high porosities with a relatively narrow pore size distribution, and the pore structure of BMCM-48 is relatively uniform. In the as-synthesized form boron is tetrahedrally coordinated. Most...
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