Article history: Mesoporous materials with unique structure as well as special morphology have potential applications in Received 16 July 2015 pollutant adsorption. In this work, using mesoporous silica SBA-15 ﬁlled with carbon (C@SBA-15) as both Received in revised form 6 November 2015 silicon source and assisted template, the ordered mesoporous magnesium silicate (Mg Si O (OH) ) has 3 4 9 4 Accepted 8 November 2015 been fabricated at 140 C by a novel and facile hydrothermal method. During the hydrothermal process, Available online 14 November 2015 the magnesium silicate grew along the silica walls at the expense of consuming silica and deposited on the carbon surface of the C@SBA-15. Meanwhile, the rigid carbon inside the pores of the SBA-15 supported Keywords: the magnesium silicate as mesoporous walls under hydrothermal condition. The obtained magnesium Magnesium silicate silicate possessed ordered mesoporous structure, high speciﬁc surface area of 446 m /g, large pore volume Mesostructure of 0.84 cm /g, and hierarchical structure assembled with ultrathin nanosheets of 15 nm in thickness. Hydrothermal method These characteristics endow the ordered mesoporous magnesium silicate with the fast adsorption rate Mesoporous template and high adsorption capacity of 382 mg/g for methylene blue. In addition, this
Applied Surface Science – Elsevier
Published: Jan 1, 2016
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