Synthesis and characterization of MCM-48 with high cerium content - Details

author：

Li, X. (Li, X..) ^[1] | Chen, Q. (Chen, Q..) ^[2] | Tang, D. (Tang, D..) ^[3]

Indexed by：

Scopus PKU CSCD

Abstract：

Using　hexadecyl　trimethyl　ammonium　bromide　(CTAB)　and　TX-100　mixed　surfactants　as　a　template,　ordered　Ce-MCM-48　molecular　sieves　with　up　to　12%　cerium　(mole　fraction)　content　were　synthesized　by　adding　a　cerium　source　in　the　process　of　hydrothermal　crystallization.　The　synthesized　material　was　characterized　by　X-ray　diffraction,　N2　adsorption-desorption　isotherm,　transmission　electron　microscope　and　ultraviolet-visible　spectroscopy.　The　results　show　that　the　products　with　high　cerium　content　still　retain　their　cubic　mesopore　structure　and　high　Brunauer-Emmett-Teller　surface　area　(1185-331　m2/g).　Cerium　is　bound　into　the　framework　position　and/or　into　the　walls　of　MCM-48　by　Ce4+.

Keyword：

Characterization; High cerium-containing MCM-48; Ordered mesostructure

Community：

[ 1 ] [Li, X.]Institute of Science and Engineering of Materials, Fuzhou University, Fuzhou 350002, China
[ 2 ] [Chen, Q.]Institute of Science and Engineering of Materials, Fuzhou University, Fuzhou 350002, China
[ 3 ] [Tang, D.]Institute of Science and Engineering of Materials, Fuzhou University, Fuzhou 350002, China

Reprint 's Address：

[Li, X.]Institute of Science and Engineering of Materials, Fuzhou University, Fuzhou 350002, China

Email：

lxiangqi@fzu.edu.cn

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Source ：

Journal of the Chinese Ceramic Society

ISSN： 0454-5648

Year： 2009

Issue： 10

Volume： 37

Page： 1665-1668

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 1

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