Synthesis, Characterization and Catalytic Activity of mesoporous Mn-MCM-41 materials

Eugenio Caponetti, Maria Luisa Saladino, Giorgio Nasillo, Elka Kraleva, Silvia Todorova, Alberto Spinella

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15 Citazioni (Scopus)


MCM-41 has been synthesized at two different pH using cetyl-trimethylammonium bromide (CTAB)surfactant as template and adding the silica precursor to aqueous solutions containing CTAB. The obtainedsolids were calcined at 600 ◦C for 4 h. Mn-MCM-41 powders with different Mn/Si molar ratios wereprepared using the incipient wetness method, followed by calcination at 550 ◦C for 5 h. At the end of theimpregnation process the powders colour changed from white to brown whose intensity depends onmanganese quantity. The materials characterization was performed by X-ray diffraction, N2 adsorption,29Si Cross Polarization–Magic Angle Spinning NMR, and X-ray Photoelectron Spectroscopy. The effectsof the manganese quantity and of the structural characteristic of the MCM-41 support were studied. Thecatalytic activity of the prepared systems was evaluated in a complete n-hexane oxidation.
Lingua originaleEnglish
pagine (da-a)8798-8803
Numero di pagine6
RivistaJournal of Alloys and Compounds
Stato di pubblicazionePublished - 2011

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2500.2506???
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