Room-temperature Synthesis of High-entropy Perovskite Oxide Nanoparticle Catalysts via Ultrasonication-based Method
Abstract
Currently, a sonochemical-based technique for one-pot synthesis of entropy-stabilized perovskite oxide nanoparticle catalysts with high surface area is reported. The high-entropy perovskite oxides were synthesized as monodispersed, spherical nanoparticles with average crystallite size of ~5.9 nm. Taking advantage of the acoustic cavitation phenomenon in ultrasonication process, the nanoparticles of BaSr(ZrHfTi)O3, BaSrBi(ZrHfTiFe)O3 and Ru/BaSrBi(ZrHfTiFe)O3 were crystallized as single-phase perovskite structures through ultrasonication exposure without calcination. Of utmost importance, the entropically-driven stability of Ru/BaSrBi(ZrHfTiFe)O3 with excellent dispersion of Ru in the perovskite phase, bestowed the nanoparticles of Ru/BaSrBi(ZrHfTiFe)O3 with good catalytic activity for CO oxidation.
- Authors:
-
[2];
- Univ. of Tennessee, Knoxville, TN (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division; USDOE
- OSTI Identifier:
- 1574923
- Alternate Identifier(s):
- OSTI ID: 1576647
- Report Number(s):
- BNL-212355-2019-JAAM
Journal ID: ISSN 1864-5631
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ChemSusChem
- Additional Journal Information:
- Journal Volume: 13; Journal Issue: 1; Journal ID: ISSN 1864-5631
- Publisher:
- ChemPubSoc Europe
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY; acoustic cavitation; heterogeneous catalysis; high-entropy perovskites; nanoparticles; ultrasonication
Citation Formats
Okejiri, Francis, Zhang, Zihao, Liu, Jixing, Liu, Miaomiao, Yang, Shize, and Dai, Sheng. Room-temperature Synthesis of High-entropy Perovskite Oxide Nanoparticle Catalysts via Ultrasonication-based Method. United States: N. p., 2019.
Web. doi:10.1002/cssc.201902705.
Okejiri, Francis, Zhang, Zihao, Liu, Jixing, Liu, Miaomiao, Yang, Shize, & Dai, Sheng. Room-temperature Synthesis of High-entropy Perovskite Oxide Nanoparticle Catalysts via Ultrasonication-based Method. United States. doi:10.1002/cssc.201902705.
Okejiri, Francis, Zhang, Zihao, Liu, Jixing, Liu, Miaomiao, Yang, Shize, and Dai, Sheng. Wed .
"Room-temperature Synthesis of High-entropy Perovskite Oxide Nanoparticle Catalysts via Ultrasonication-based Method". United States. doi:10.1002/cssc.201902705. https://www.osti.gov/servlets/purl/1574923.
@article{osti_1574923,
title = {Room-temperature Synthesis of High-entropy Perovskite Oxide Nanoparticle Catalysts via Ultrasonication-based Method},
author = {Okejiri, Francis and Zhang, Zihao and Liu, Jixing and Liu, Miaomiao and Yang, Shize and Dai, Sheng},
abstractNote = {Currently, a sonochemical-based technique for one-pot synthesis of entropy-stabilized perovskite oxide nanoparticle catalysts with high surface area is reported. The high-entropy perovskite oxides were synthesized as monodispersed, spherical nanoparticles with average crystallite size of ~5.9 nm. Taking advantage of the acoustic cavitation phenomenon in ultrasonication process, the nanoparticles of BaSr(ZrHfTi)O3, BaSrBi(ZrHfTiFe)O3 and Ru/BaSrBi(ZrHfTiFe)O3 were crystallized as single-phase perovskite structures through ultrasonication exposure without calcination. Of utmost importance, the entropically-driven stability of Ru/BaSrBi(ZrHfTiFe)O3 with excellent dispersion of Ru in the perovskite phase, bestowed the nanoparticles of Ru/BaSrBi(ZrHfTiFe)O3 with good catalytic activity for CO oxidation.},
doi = {10.1002/cssc.201902705},
journal = {ChemSusChem},
number = 1,
volume = 13,
place = {United States},
year = {2019},
month = {11}
}
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