Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals
The exploration of efficient nanocatalysts with high activity and stability towards water electrolysis and fuel cell applications is extremely important for the advancement of electrochemical reactions. However, it remains challenging. Controlling the morphology of bimetallic Pd–Pt nanostructures ca...
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2021
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oai:doaj.org-article:9c788269f23f42a28ca50f48a51a674c2021-11-25T17:06:03ZHighly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals10.3390/catal111113372073-4344https://doaj.org/article/9c788269f23f42a28ca50f48a51a674c2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4344/11/11/1337https://doaj.org/toc/2073-4344The exploration of efficient nanocatalysts with high activity and stability towards water electrolysis and fuel cell applications is extremely important for the advancement of electrochemical reactions. However, it remains challenging. Controlling the morphology of bimetallic Pd–Pt nanostructures can be a great way to improve their electrocatalytic properties compared with previously developed catalysts. Herein, we synthesize bimetallic Pd–Pt nanodendrites, which consist of a dense matrix of unsaturated coordination atoms and high porosity. The concentration of cetyltrimethylammonium chloride was significant for the morphology and size of the Pd–Pt nanodendrites. Pd–Pt nanodendrites prepared by cetyltrimethylammonium chloride (200 mM) showed higher activities towards both the hydrogen evolution reaction and methanol oxidation reaction compared to their different Pd–Pt nanodendrite counterparts, commercial Pd, and Pt catalysts, which was attributed to numerous unsaturated surface atoms in well-developed single branches.Respati K. PramadewandaruJeong-Hu ShimYoung Wook LeeJong Wook HongMDPI AGarticlenanodendritesalloy nanocrystalsPd–Ptelectrocatalysishydrogen evolution reactionsmethanol oxidation reactionChemical technologyTP1-1185ChemistryQD1-999ENCatalysts, Vol 11, Iss 1337, p 1337 (2021) |
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nanodendrites alloy nanocrystals Pd–Pt electrocatalysis hydrogen evolution reactions methanol oxidation reaction Chemical technology TP1-1185 Chemistry QD1-999 |
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nanodendrites alloy nanocrystals Pd–Pt electrocatalysis hydrogen evolution reactions methanol oxidation reaction Chemical technology TP1-1185 Chemistry QD1-999 Respati K. Pramadewandaru Jeong-Hu Shim Young Wook Lee Jong Wook Hong Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals |
description |
The exploration of efficient nanocatalysts with high activity and stability towards water electrolysis and fuel cell applications is extremely important for the advancement of electrochemical reactions. However, it remains challenging. Controlling the morphology of bimetallic Pd–Pt nanostructures can be a great way to improve their electrocatalytic properties compared with previously developed catalysts. Herein, we synthesize bimetallic Pd–Pt nanodendrites, which consist of a dense matrix of unsaturated coordination atoms and high porosity. The concentration of cetyltrimethylammonium chloride was significant for the morphology and size of the Pd–Pt nanodendrites. Pd–Pt nanodendrites prepared by cetyltrimethylammonium chloride (200 mM) showed higher activities towards both the hydrogen evolution reaction and methanol oxidation reaction compared to their different Pd–Pt nanodendrite counterparts, commercial Pd, and Pt catalysts, which was attributed to numerous unsaturated surface atoms in well-developed single branches. |
format |
article |
author |
Respati K. Pramadewandaru Jeong-Hu Shim Young Wook Lee Jong Wook Hong |
author_facet |
Respati K. Pramadewandaru Jeong-Hu Shim Young Wook Lee Jong Wook Hong |
author_sort |
Respati K. Pramadewandaru |
title |
Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals |
title_short |
Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals |
title_full |
Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals |
title_fullStr |
Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals |
title_full_unstemmed |
Highly Enhanced Electrocatalytic Performances with Dendritic Bimetallic Palladium-Based Nanocrystals |
title_sort |
highly enhanced electrocatalytic performances with dendritic bimetallic palladium-based nanocrystals |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/9c788269f23f42a28ca50f48a51a674c |
work_keys_str_mv |
AT respatikpramadewandaru highlyenhancedelectrocatalyticperformanceswithdendriticbimetallicpalladiumbasednanocrystals AT jeonghushim highlyenhancedelectrocatalyticperformanceswithdendriticbimetallicpalladiumbasednanocrystals AT youngwooklee highlyenhancedelectrocatalyticperformanceswithdendriticbimetallicpalladiumbasednanocrystals AT jongwookhong highlyenhancedelectrocatalyticperformanceswithdendriticbimetallicpalladiumbasednanocrystals |
_version_ |
1718412728519884800 |