Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst

Hee Soo Kim; Ji Chul Jung; Pil Kim; Kwan Young Lee; Sung Ho Yeom; In Kyu Song

doi:10.4028/www.scientific.net/SSP.119.139

Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst

Hee Soo Kim, Ji Chul Jung, Pil Kim, Kwan Young Lee, Sung Ho Yeom, In Kyu Song

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Mesostructured cellular foam (MCF) silica was synthesized via surfactant templating route. The surface of MCF silica was then modified by grafting 3-aminopropyl-triethoxysilane (APTES) to have the positive charge, and thus, to provide sites for the immobilization of H₃PMo₁₂O₄₀ (PMo₁₂). By taking advantage of the overall negative charge of [PMo₁₂O₄₀]^3-, PMo₁₂ catalyst was chemically immobilized on the amine-functional group of surface modified MCF (SM-MCF) silica as a charge matching component. It was found that pore structure of MCF silica was maintained even after the surface modification and the subsequent immobilization of PMo₁₂. It was also revealed that PMo₁₂ species were finely and molecularly dispersed on the SM-MCF silica via chemical immobilization.

Original language	English
Title of host publication	Nanocomposites and Nanoporous Materials
Editors	Chang Kyu Rhee
Publisher	Trans Tech Publications Ltd
Pages	139-142
Number of pages	4
ISBN (Print)	9783908451273
DOIs	https://doi.org/10.4028/www.scientific.net/SSP.119.139
Publication status	Published - 2007
Event	7th International Symposium on Nanocomposites and Nanoporous Materials, ISNAM 2006 - Gyeongju, Korea, Republic of Duration: 2006 Feb 15 → 2006 Feb 17

Publication series

Name	Solid State Phenomena
Volume	119
ISSN (Print)	1012-0394
ISSN (Electronic)	1662-9779

Other

Other	7th International Symposium on Nanocomposites and Nanoporous Materials, ISNAM 2006
Country/Territory	Korea, Republic of
City	Gyeongju
Period	06/2/15 → 06/2/17

Bibliographical note

Funding Information:
This work was supported by KOSEF: R01-2004-000-10502-0.

Publisher Copyright:
© (2007) Trans Tech Publications, Switzerland.

Keywords

Grafting
Heteropolyacid
Immobilization
Mesostructured cellular foam silica

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics

Access to Document

10.4028/www.scientific.net/SSP.119.139

Cite this

Kim, H. S., Jung, J. C., Kim, P., Lee, K. Y., Yeom, S. H., & Song, I. K. (2007). Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst. In C. K. Rhee (Ed.), Nanocomposites and Nanoporous Materials (pp. 139-142). (Solid State Phenomena; Vol. 119). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/SSP.119.139

Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst. / Kim, Hee Soo; Jung, Ji Chul; Kim, Pil et al.
Nanocomposites and Nanoporous Materials. ed. / Chang Kyu Rhee. Trans Tech Publications Ltd, 2007. p. 139-142 (Solid State Phenomena; Vol. 119).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kim, HS, Jung, JC, Kim, P, Lee, KY, Yeom, SH & Song, IK 2007, Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst. in CK Rhee (ed.), Nanocomposites and Nanoporous Materials. Solid State Phenomena, vol. 119, Trans Tech Publications Ltd, pp. 139-142, 7th International Symposium on Nanocomposites and Nanoporous Materials, ISNAM 2006, Gyeongju, Korea, Republic of, 06/2/15. https://doi.org/10.4028/www.scientific.net/SSP.119.139

Kim HS, Jung JC, Kim P, Lee KY, Yeom SH, Song IK. Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst. In Rhee CK, editor, Nanocomposites and Nanoporous Materials. Trans Tech Publications Ltd. 2007. p. 139-142. (Solid State Phenomena). doi: 10.4028/www.scientific.net/SSP.119.139

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abstract = "Mesostructured cellular foam (MCF) silica was synthesized via surfactant templating route. The surface of MCF silica was then modified by grafting 3-aminopropyl-triethoxysilane (APTES) to have the positive charge, and thus, to provide sites for the immobilization of H3PMo12O40 (PMo12). By taking advantage of the overall negative charge of [PMo12O40]3-, PMo12 catalyst was chemically immobilized on the amine-functional group of surface modified MCF (SM-MCF) silica as a charge matching component. It was found that pore structure of MCF silica was maintained even after the surface modification and the subsequent immobilization of PMo12. It was also revealed that PMo12 species were finely and molecularly dispersed on the SM-MCF silica via chemical immobilization.",

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AB - Mesostructured cellular foam (MCF) silica was synthesized via surfactant templating route. The surface of MCF silica was then modified by grafting 3-aminopropyl-triethoxysilane (APTES) to have the positive charge, and thus, to provide sites for the immobilization of H3PMo12O40 (PMo12). By taking advantage of the overall negative charge of [PMo12O40]3-, PMo12 catalyst was chemically immobilized on the amine-functional group of surface modified MCF (SM-MCF) silica as a charge matching component. It was found that pore structure of MCF silica was maintained even after the surface modification and the subsequent immobilization of PMo12. It was also revealed that PMo12 species were finely and molecularly dispersed on the SM-MCF silica via chemical immobilization.

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Preparation and characterization of surface modified MCF (Mesostructured cellular foam) silica for the immobilization of heteropolyacid catalyst

Abstract

Publication series

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Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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