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Type: Artigo de periódico
Title: One-pot synthesis of mesoporous [Al]-SBA-16 and acidity characterization by CO adsorption
Author: Gallo, JMR
Bisio, C
Marchese, L
Pastore, HO
Abstract: We report here on the first one-pot synthesis of mesoporous silica SBA-16 containing aluminum. This material was successfully synthesised using poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) Pluronic F-127 (PEO106PPO70PEO106) as structure directing agent, butanol as co-surfactant and specifically adjusting the pH during the synthesis (i.e. adopting the so called 'pH-adjusting method'). The structural and porosity properties of the novel [Al]-SBA-16 were studied by X-ray diffraction, Al-27-MAS-NMR and N-2 adsorption at 77 K. The acidity was monitored by infrared spectroscopy of CO adsorption at 100 K. (C) 2011 Elsevier Inc. All rights reserved.
Subject: [Al]-SBA-16
pH-adjusting method
Acid sites
Mesostructured silica
CO adsorption
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.micromeso.2011.05.005
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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