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Functionalized Monolayers on Ordered Mesoporous Supports
Abstract
Mesoporous silica materials containing functionalized organic monolayers have been synthesized. Solid-state nuclear magnetic resonance suggests that a cross-linked monolayer of mercaptopropylsilane was covalently bound to mesoporous silica and closely packed on the surface. The relative surface coverage of the monolayers can be systematically varied up to 76 percent. These materials are extremely efficient in removing mercury and other heavy metals from both aqueous and nonaqueous waste streams, with distribution coefficients up to 340,000. The stability of these materials and the potential to regenerate and reuse them have also been demonstrated. The surface modification scheme reported here enables rational design of the surface properties of tailored porous materials and may lead to the synthesis of more sophisticated functionalized composites for environmental and industrial applications.
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Citations
Cited by
Ordered mesoporous materials in catalysis
Taguchi, A., & Schüth, F. (2005) · Microporous and Mesoporous Materials · doi:10.1016/j.micromeso.2004.06.030 · Cited by 2,119
A Review: Fundamental Aspects of Silicate Mesoporous Materials
ALOthman, Z. (2012) · Materials · doi:10.3390/ma5122874 · Cited by 2,084
Ciesla, U., & Schüth, F. (1999) · Microporous and Mesoporous Materials · doi:10.1016/s1387-1811(98)00249-2 · Cited by 1,084
Liu, J.-F., Zhao, Z.-S., & Jiang, G.-B. (2008) · Environmental Science & Technology · doi:10.1021/es800924c · Cited by 1,084
Self-citationInclusion Chemistry in Periodic Mesoporous Hosts
Moller, K., & Bein, T. (1998) · Chemistry of Materials · doi:10.1021/cm980243e · Cited by 916
Metadata
- Authors
- Feng, X., Fryxell, G. E., Wang, L.-Q., Kim, A. Y., Liu, J., & Kemner, K. M.
- Venue
- Science
- Published
- 1997-05-09
- Volume
- 276
- Issue
- 5314
- Pages
- 923-926
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2100577901
- Cited by
- 1,562
- References
- 0
- FWCI
- 45.42
- Type
- journal article
- Language
- en
- Open access
- closed
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- Feng, X., Fryxell, G. E., Wang, L.-Q., Kim, A. Y., Liu, J., & Kemner, K. M. (1997). Functionalized Monolayers on Ordered Mesoporous Supports. Science. https://doi.org/10.1126/science.276.5314.923
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