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M. B. Yue, Y. Chun, Y. Cao, X. Dong and J. H. Zhu CO2 Capture by As-Prepared SBA-15 with an Occluded Organic Template Advanced Functional Materials 16

Article first published online: 25 JUL 2006 | DOI: 10.1002/adfm.200600427

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As-prepared SBA-15 modified with tetraethylenepentamine (TEPA) shows a very high adsorption capacity for CO2 (up to 173 mg g–1) and can be used to reversibly store and release CO2 under prolonged cyclical operation. The remnant template enables good dispersion of the TEPA species in the support, thereby making it more accessible to CO2, as shown in the figure. The template also modifies the interaction mechanism between the amine and CO2 to promote the capture of CO2.

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