4.6 Article

Mn-incorporated SBA-1 cubic mesoporous silicates: Synthesis and characterization

期刊

MATERIALS CHEMISTRY AND PHYSICS
卷 161, 期 -, 页码 237-242

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ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2015.05.043

关键词

Amorphous materials; Sol-gel growth; Electron microscopy; Electron resonance; Visible and ultraviolet spectrometers

资金

  1. UGC under Maulana Azad National Fellowship [F.40-8(C/M)/2009(SA-III/MANF)]

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Direct one pot synthesis of manganese containing ordered mesoporous silicate with Pm3n cubic symmetry with a maximum manganese loading of approximately 4.8 wt% was achieved under acidic synthesis conditions. XRD, N-2 sorption, TEM and SEM studies confirmed well-ordered cubic mesoporous structure typically of SBA-1 type materials. Diffuse Reflectance UV-Vis, FTIR and EPR studies concluded the framework incorporation of Mn3+ ions as well as extra-framework Mn2+ ions at higher Mn loadings. Further, MnSBA-1 was also shown to be active for oxidation of ethylbenzene with TBHP as oxidant. (C) 2015 Elsevier B.V. All rights reserved.

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