Nanocrystal assembly for tandem catalysis
Abstract
The present invention provides a nanocrystal tandem catalyst comprising at least two metal-metal oxide interfaces for the catalysis of sequential reactions. One embodiment utilizes a nanocrystal bilayer structure formed by assembling sub-10 nm platinum and cerium oxide nanocube monolayers on a silica substrate. The two distinct metal-metal oxide interfaces, CeO.sub.2--Pt and Pt--SiO.sub.2, can be used to catalyze two distinct sequential reactions. The CeO.sub.2--Pt interface catalyzed methanol decomposition to produce CO and H.sub.2, which were then subsequently used for ethylene hydroformylation catalyzed by the nearby Pt--SiO.sub.2 interface. Consequently, propanal was selectively produced on this nanocrystal bilayer tandem catalyst.
- Inventors:
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1159959
- Patent Number(s):
- 8,859,455
- Application Number:
- 13/441,240
- Assignee:
- The Regents of the University of California (Oakland, CA)
- DOE Contract Number:
- AC02-05CH11231
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2012 Apr 06
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Yang, Peidong, Somorjai, Gabor, Yamada, Yusuke, Tsung, Chia-Kuang, and Huang, Wenyu. Nanocrystal assembly for tandem catalysis. United States: N. p., 2014.
Web.
Yang, Peidong, Somorjai, Gabor, Yamada, Yusuke, Tsung, Chia-Kuang, & Huang, Wenyu. Nanocrystal assembly for tandem catalysis. United States.
Yang, Peidong, Somorjai, Gabor, Yamada, Yusuke, Tsung, Chia-Kuang, and Huang, Wenyu. 2014.
"Nanocrystal assembly for tandem catalysis". United States. https://www.osti.gov/servlets/purl/1159959.
@article{osti_1159959,
title = {Nanocrystal assembly for tandem catalysis},
author = {Yang, Peidong and Somorjai, Gabor and Yamada, Yusuke and Tsung, Chia-Kuang and Huang, Wenyu},
abstractNote = {The present invention provides a nanocrystal tandem catalyst comprising at least two metal-metal oxide interfaces for the catalysis of sequential reactions. One embodiment utilizes a nanocrystal bilayer structure formed by assembling sub-10 nm platinum and cerium oxide nanocube monolayers on a silica substrate. The two distinct metal-metal oxide interfaces, CeO.sub.2--Pt and Pt--SiO.sub.2, can be used to catalyze two distinct sequential reactions. The CeO.sub.2--Pt interface catalyzed methanol decomposition to produce CO and H.sub.2, which were then subsequently used for ethylene hydroformylation catalyzed by the nearby Pt--SiO.sub.2 interface. Consequently, propanal was selectively produced on this nanocrystal bilayer tandem catalyst.},
doi = {},
url = {https://www.osti.gov/biblio/1159959},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 14 00:00:00 EDT 2014},
month = {Tue Oct 14 00:00:00 EDT 2014}
}
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