Synthesis of Pt3Y and Other Early–Late Intermetallic Nanoparticles by Way of a Molten Reducing Agent
Abstract
Early–late intermetallic phases have garnered increased attention recently for their catalytic properties. To achieve the high surface areas needed for industrially relevant applications, these phases must be synthesized as nanoparticles in a scalable fashion. Herein, Pt3Y—targeted as a prototypical example of an early–late intermetallic—has been synthesized as nanoparticles approximately 5–20 nm in diameter via a solution process and characterized by XRD, TEM, EDS, and XPS. The key development is the use of a molten borohydride (MEt3BH, M = Na, K) as both the reducing agent and reaction medium. Readily available halide precursors of the two metals are used. Accordingly, no organic ligands are necessary, as the resulting halide salt byproduct prevents sintering, which further permits dispersion of the nanoscale intermetallic onto a support. The versatility of this approach was validated by the synthesis of other intermetallic phases such as Pt3Sc, Pt3Lu, Pt2Na, and Au2Y.
- Authors:
-
[1];
[5];
[5];
[6]
- Univ. of California, Berkeley, CA (United States)
- BASF SE (Germany)
- hte GmbH - a subsidiary of BASF, Heidelberg (Germany)
- BASF SE (Germany); Univ. of California, Berkeley, CA (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Kavli Energy NanoScience Institute, Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1379819
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the American Chemical Society
- Additional Journal Information:
- Journal Volume: 139; Journal Issue: 16; Journal ID: ISSN 0002-7863
- Publisher:
- American Chemical Society (ACS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE
Citation Formats
Kanady, Jacob S., Leidinger, Peter, Haas, Andreas, Titlbach, Sven, Schunk, Stephan, Schierle-Arndt, Kerstin, Crumlin, Ethan J., Wu, Cheng Hao, and Alivisatos, A. Paul. Synthesis of Pt3Y and Other Early–Late Intermetallic Nanoparticles by Way of a Molten Reducing Agent. United States: N. p., 2017.
Web. doi:10.1021/jacs.7b01366.
Kanady, Jacob S., Leidinger, Peter, Haas, Andreas, Titlbach, Sven, Schunk, Stephan, Schierle-Arndt, Kerstin, Crumlin, Ethan J., Wu, Cheng Hao, & Alivisatos, A. Paul. Synthesis of Pt3Y and Other Early–Late Intermetallic Nanoparticles by Way of a Molten Reducing Agent. United States. https://doi.org/10.1021/jacs.7b01366
Kanady, Jacob S., Leidinger, Peter, Haas, Andreas, Titlbach, Sven, Schunk, Stephan, Schierle-Arndt, Kerstin, Crumlin, Ethan J., Wu, Cheng Hao, and Alivisatos, A. Paul. Wed .
"Synthesis of Pt3Y and Other Early–Late Intermetallic Nanoparticles by Way of a Molten Reducing Agent". United States. https://doi.org/10.1021/jacs.7b01366. https://www.osti.gov/servlets/purl/1379819.
@article{osti_1379819,
title = {Synthesis of Pt3Y and Other Early–Late Intermetallic Nanoparticles by Way of a Molten Reducing Agent},
author = {Kanady, Jacob S. and Leidinger, Peter and Haas, Andreas and Titlbach, Sven and Schunk, Stephan and Schierle-Arndt, Kerstin and Crumlin, Ethan J. and Wu, Cheng Hao and Alivisatos, A. Paul},
abstractNote = {Early–late intermetallic phases have garnered increased attention recently for their catalytic properties. To achieve the high surface areas needed for industrially relevant applications, these phases must be synthesized as nanoparticles in a scalable fashion. Herein, Pt3Y—targeted as a prototypical example of an early–late intermetallic—has been synthesized as nanoparticles approximately 5–20 nm in diameter via a solution process and characterized by XRD, TEM, EDS, and XPS. The key development is the use of a molten borohydride (MEt3BH, M = Na, K) as both the reducing agent and reaction medium. Readily available halide precursors of the two metals are used. Accordingly, no organic ligands are necessary, as the resulting halide salt byproduct prevents sintering, which further permits dispersion of the nanoscale intermetallic onto a support. The versatility of this approach was validated by the synthesis of other intermetallic phases such as Pt3Sc, Pt3Lu, Pt2Na, and Au2Y.},
doi = {10.1021/jacs.7b01366},
journal = {Journal of the American Chemical Society},
number = 16,
volume = 139,
place = {United States},
year = {Wed Mar 29 00:00:00 EDT 2017},
month = {Wed Mar 29 00:00:00 EDT 2017}
}
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