Browsing by Author "Leu, Jih-Peng"

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Iron oxide nanoparticles within the pore system of mesoporous SBA-15 in different acidity: the synthesis and characterization
(2007-07-01)
Liu, Chueh-Yang
;
Chen, Chia-Fu
;
Leu, Jih-Peng
;
Lin, Yi-Chun
;
材料科學與工程學系
Direct hydrothermal method is employed for incorporating iron into the pore structure of SBA-15. The resultant materials were analyzed by X-ray diffraction (XRD) patterns, N-2 sorption isotherm and X-ray photoelectron spectroscopy (XPS). The characterizations of XRD patterns and XPS revealed that iron nanoparticles were present as highly dispersed nanoclusters in the well-ordered mesoporous channels of SBA-15. The characterizations of t-plot reveal only microporous channels of SBA-15 are confirmed to be filled with iron nanoparticles, leaving the mesopores unaffected. The supported material still maintained its ordered mesoporous structure similar to SBA-15 and possessed high surface area, large pore volume and uniform pore size.