The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Dendrimer Templated Synthesis of One Nanometer Rh and Pt Particles Supported on Mesoporous Silica: Catalytic Activity for Ethylene and Pyrrole Hydrogenation
Open accessAbstract
Monodisperse rhodium (Rh) and platinum (Pt) nanoparticles as small as approximately 1 nm were synthesized within a fourth generation polyaminoamide (PAMAM) dendrimer, a hyperbranched polymer, in aqueous solution and immobilized by depositing onto a high-surface-area SBA-15 mesoporous support. X-ray photoelectron spectroscopy indicated that the as-synthesized Rh and Pt nanoparticles were mostly oxidized. Catalytic activity of the SBA-15 supported Rh and Pt nanoparticles was studied with ethylene hydrogenation at 273 and 293 K in 10 torr of ethylene and 100 torr of H 2 after reduction (76 torr of H 2 mixed with 690 torr of He) at different temperatures. Catalysts were active without removing the dendrimer capping but reached their highest activity after hydrogen reduction at a moderate temperature (423 K). When treated at a higher temperature (473, 573, and 673 K) in hydrogen, catalytic activity decreased. By using the same treatment that led to maximum ethylene hydrogenation activity, catalytic activity was also evaluated for pyrrole hydrogenation.
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Cites
Nanoalloys: From Theory to Applications of Alloy Clusters and Nanoparticles
Ferrando, R., Jellinek, J., & Johnston, R. L. (2008) · Chemical Reviews · doi:10.1021/cr040090g · Cited by 3,690
Cited by
Encapsulated Metal Nanoparticles for Catalysis
Gao, C., Lyu, F., & Yin, Y. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00237 · Cited by 855
Size and Shape Control of Metal Nanoparticles for Reaction Selectivity in Catalysis
An, K., & Somorjai, G. A. (2012) · ChemCatChem · doi:10.1002/cctc.201200229 · Cited by 656
Self-citationSize-specific catalytic activity of platinum clusters enhances oxygen reduction reactions
Yamamoto, K., Imaoka, T., Chun, W.-J., Enoki, O., Katoh, H., Takenaga, M., & Sonoi, A. (2009) · Nature Chemistry · doi:10.1038/nchem.288 · Cited by 585
Nanoscale Advances in Catalysis and Energy Applications
Li, Y., & Somorjai, G. A. (2010) · Nano Letters · doi:10.1021/nl101807g · Cited by 441
Self-citationGuo, Z., Xiao, C., Maligal-Ganesh, R. V., Zhou, L., Goh, T. W., Li, X., Tesfagaber, D., Thiel, A., & Huang, W. (2014) · ACS Catalysis · doi:10.1021/cs400982n · Cited by 419
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Metadata
- Authors
- Huang, W., Kuhn, J. N., Tsung, C.-K., Zhang, Y., Habas, S. E., Yang, P., & Somorjai, G. A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-06-11
- Volume
- 8
- Issue
- 7
- Pages
- 2027-2034
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1984646865
- Cited by
- 267
- References
- 1
- FWCI
- 11.06
- Type
- journal article
- Language
- en
- Open access
- green
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