The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Highly Dispersed Metal Nanoparticles in Functionalized SBA-15
Abstract
The preparation and characterization of highly dispersed metal nanoparticles in mesoporous silica SBA-15 are reported. The functionalization with organosilane to generate a monolayer of charged groups on the pore surface facilitates uniform distribution of ion-exchanged metal precursors in the channels of SBA-15, which, upon reduction, results in highly dispersed metal nanoparticles supported in SBA-15. Under mild reduction conditions, the surface functionality remains and so allows further metal incorporation cycles to achieve higher metal loading. After reduction in hydrogen flow, disk-shaped Pt nanoparticles in Pt/SBA-15 and spherical Au nanoparticles in Au/SBA-15 have been characterized in the channels of SBA-15 by PXRD, XAS, and TEM. Secondary Pt incorporation in Au/SBA-15 produces coexisting small Pt nanoparticles with large Au nanoparticles in the host channels. This preparation method is capable of template synthesis of various metal nanostructures with controlled morphology and composition inside the channels of mesoporous materials.
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Citations
Cites
Transmission Electron Microscopy of Shape-Controlled Nanocrystals and Their Assemblies
Wang, Z. L. (2000) · The Journal of Physical Chemistry B · doi:10.1021/jp993593c · Cited by 2,137
Characterization of the porous structure of sba-15
Kruk, M., Jaroniec, M., Ko, C. H., & Ryoo, R. (2000) · Chemistry of Materials · doi:10.1021/cm000164e · Cited by 1,409
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
Panigrahi, S., Basu, S., Praharaj, S., Pande, S., Jana, S., Pal, A., Ghosh, S. K., & Pal, T. (2007) · The Journal of Physical Chemistry C · doi:10.1021/jp067554u · Cited by 786
Datta, K. K. R., Reddy, B. V. S., Ariga, K., & Vinu, A. (2010) · Angewandte Chemie International Edition · doi:10.1002/anie.201001699 · Cited by 375
Metadata
- Authors
- Yang, C.-M., Liu, P.-H., Ho, Y.-F., Chiu, C.-Y., & Chao, K.-J.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-11-28
- Volume
- 15
- Issue
- 1
- Pages
- 275-280
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2015712936
- Cited by
- 307
- References
- 2
- FWCI
- 9.12
- Type
- journal article
- Language
- en
- Open access
- closed
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