Core/shell face-centered tetragonal FePd/Pd nanoparticles as an efficient non-Pt catalyst for the oxygen reduction reaction
Abstract
We report the synthesis of core/shell face-centered tetragonal (fct)-FePd/Pd nanoparticles (NPs) via reductive annealing of core/shell Pd/Fe3O4 NPs followed by temperature-controlled Fe etching in acetic acid. Among three different kinds of core/shell FePd/Pd NPs studied (FePd core at similar to 8 nm and Pd shell at 0.27, 0.65, or 0.81 nm), the fct-FePd/Pd-0.65 NPs are the most efficient catalyst for the oxygen reduction reaction (ORR) in 0.1 M HClO4 with Pt-like activity and durability. This enhanced ORR catalysis arises from the desired Pd lattice compression in the 0.65 nm Pd shell induced by the fct-FePd core. Lastly, our study offers a general approach to enhance Pd catalysis in acid for ORB.
- Authors:
-
- Brown Univ., Providence, RI (United States)
- Brown Univ., Providence, RI (United States); Zhejiang Univ., Hangzhou (China)
- California State Univ., Northridge, CA (United States)
- Zhejiang Univ., Hangzhou (China)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1287022
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- ACS Nano
- Additional Journal Information:
- Journal Volume: 9; Journal Issue: 11; Journal ID: ISSN 1936-0851
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; FePd; face-centered tetragonal structure; core/shell nanoparticles; electrocatalysis; oxygen reduction reaction
Citation Formats
Zhu, Huiyuan, Jiang, Guangming, Zhang, Xu, Shen, Bo, Wu, Liheng, Zhang, Sen, Lu, Gang, Wu, Zhongbiao, and Sun, Shouheng. Core/shell face-centered tetragonal FePd/Pd nanoparticles as an efficient non-Pt catalyst for the oxygen reduction reaction. United States: N. p., 2015.
Web. doi:10.1021/acsnano.5b04361.
Zhu, Huiyuan, Jiang, Guangming, Zhang, Xu, Shen, Bo, Wu, Liheng, Zhang, Sen, Lu, Gang, Wu, Zhongbiao, & Sun, Shouheng. Core/shell face-centered tetragonal FePd/Pd nanoparticles as an efficient non-Pt catalyst for the oxygen reduction reaction. United States. https://doi.org/10.1021/acsnano.5b04361
Zhu, Huiyuan, Jiang, Guangming, Zhang, Xu, Shen, Bo, Wu, Liheng, Zhang, Sen, Lu, Gang, Wu, Zhongbiao, and Sun, Shouheng. Sun .
"Core/shell face-centered tetragonal FePd/Pd nanoparticles as an efficient non-Pt catalyst for the oxygen reduction reaction". United States. https://doi.org/10.1021/acsnano.5b04361. https://www.osti.gov/servlets/purl/1287022.
@article{osti_1287022,
title = {Core/shell face-centered tetragonal FePd/Pd nanoparticles as an efficient non-Pt catalyst for the oxygen reduction reaction},
author = {Zhu, Huiyuan and Jiang, Guangming and Zhang, Xu and Shen, Bo and Wu, Liheng and Zhang, Sen and Lu, Gang and Wu, Zhongbiao and Sun, Shouheng},
abstractNote = {We report the synthesis of core/shell face-centered tetragonal (fct)-FePd/Pd nanoparticles (NPs) via reductive annealing of core/shell Pd/Fe3O4 NPs followed by temperature-controlled Fe etching in acetic acid. Among three different kinds of core/shell FePd/Pd NPs studied (FePd core at similar to 8 nm and Pd shell at 0.27, 0.65, or 0.81 nm), the fct-FePd/Pd-0.65 NPs are the most efficient catalyst for the oxygen reduction reaction (ORR) in 0.1 M HClO4 with Pt-like activity and durability. This enhanced ORR catalysis arises from the desired Pd lattice compression in the 0.65 nm Pd shell induced by the fct-FePd core. Lastly, our study offers a general approach to enhance Pd catalysis in acid for ORB.},
doi = {10.1021/acsnano.5b04361},
journal = {ACS Nano},
number = 11,
volume = 9,
place = {United States},
year = {Sun Oct 04 00:00:00 EDT 2015},
month = {Sun Oct 04 00:00:00 EDT 2015}
}
Web of Science
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