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Nanoscale Pt(0) Particles Prepared in Imidazolium Room Temperature Ionic Liquids: Synthesis from an Organometallic Precursor, Characterization, and Catalytic Properties in Hydrogenation Reactions
Open accessAbstract
The reaction of Pt(2)(dba)(3) (dba = bis-dibenzylidene acetone) dispersed in room temperature 1-n-butyl-3-methylimidazolium (BMI) hexafluorophosphate ionic liquid with molecular hydrogen (4 atm) at 75 degrees C leads to stable and isolable nanometric Pt(0) particles. The X-ray diffraction analysis (XRD) of the material indicated that it is constituted of Pt(0). Transmission electron microscopy (TEM) analysis of the particles dispersed in the ionic liquid shows the formation of [Pt(0)](n) nanoparticles of 2.0-2.5 nm in diameter. A detailed examination of the nanoparticles imbibed in the ionic liquid and their environment shows an interaction of the BMI.PF(6) ionic liquid with the Pt(0) nanoparticles. The isolated [Pt(0)](n) nanoparticles can be redispersed in the ionic liquid or in acetone or used in solventless conditions for liquid-liquid biphasic, homogeneous, or heterogeneous hydrogenation of alkenes and arenes under mild reaction conditions (75 degrees C and 4 atm). The recovered platinum nanoparticles can be reused as a solid or redispersed in the ionic liquid several times without any significant loss in catalytic activity.
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Cites
Özkar, S., & Finke, R. G. (2002) · Journal of the American Chemical Society · doi:10.1021/ja012749v · Cited by 293
Cited by
Pârvulescu, V. I., & Hardacre, C. (2007) · Chemical Reviews · doi:10.1021/cr050948h · Cited by 2,377
de Vries, J. G. (2006) · Dalton Trans. · doi:10.1039/b506276b · Cited by 624
Physico-chemical processes in imidazolium ionic liquids
Dupont, J., & Suarez, P. A. Z. (2006) · Physical Chemistry Chemical Physics · doi:10.1039/b602046a · Cited by 417
Self-citationAstruc, D., Lu, F., & Aranzaes, J. R. (2005) · Angewandte Chemie · doi:10.1002/ange.200500766 · Cited by 417
Semagina, N., & Kiwi‐Minsker, L. (2009) · Catalysis Reviews · doi:10.1080/01614940802480379 · Cited by 181
Metadata
- Authors
- Scheeren, C. W., Machado, G., Dupont, J., Fichtner, P. F. P., & Texeira, S. R.
- Venue
- Inorganic Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-06-21
- Volume
- 42
- Issue
- 15
- Pages
- 4738-4742
- ISSN
- 0020-1669 (ISSN-L)
- 1520-510X
- OpenAlex
- W2053216015
- Cited by
- 348
- References
- 1
- FWCI
- 12.93
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Nanoscale Pt(0) Particles Prepared in Imidazolium Room Temperature Ionic Liquids: Synthesis from an Organometallic Precursor, Characterization, and Catalytic Properties in Hydrogenation Reactions. https://app.cochat.ai/papers/10.1021/ic034453r
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- Scheeren, C. W., Machado, G., Dupont, J., Fichtner, P. F. P., & Texeira, S. R. (2003). Nanoscale Pt(0) Particles Prepared in Imidazolium Room Temperature Ionic Liquids: Synthesis from an Organometallic Precursor, Characterization, and Catalytic Properties in Hydrogenation Reactions. Inorganic Chemistry. https://doi.org/10.1021/ic034453r
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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