Abstract
Amine modified SBA-15 (NH2-SBA-15) was synthesized by a simple and efficient strategy, that is, activation at first and followed by amination. The samples were characterized by fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), environmental scanning electron microscopy (ESEM), thermo gravimetric (TG) analysis, and nitrogen adsorption. Results show that the as-prepared NH2-SBA-15 possessed a large surface area, stable skeleton structure, and high amino contents. Moreover, the CO2 temperature programmed desorption (CO2-TPD) experiments of the as-prepared NH2-SBA-15 were studied, and the results show that the introduction of amino groups results in the increase of the basic sites of SBA-15, which is beneficial to the adsorption of CO2.
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You, L., Yuan, F. & Ma, F. Synthesis of mesoporous NH2-SBA-15 by a simple and efficient strategy. Russ. J. Phys. Chem. 89, 2298–2303 (2015). https://doi.org/10.1134/S0036024415120183
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DOI: https://doi.org/10.1134/S0036024415120183