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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Autores principales: Respati K. Pramadewandaru, Jeong-Hu Shim, Young Wook Lee, Jong Wook Hong
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Lenguaje:EN
Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/9c788269f23f42a28ca50f48a51a674c
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spelling 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)
institution DOAJ
collection DOAJ
language EN
topic nanodendrites
alloy nanocrystals
Pd–Pt
electrocatalysis
hydrogen evolution reactions
methanol oxidation reaction
Chemical technology
TP1-1185
Chemistry
QD1-999
spellingShingle 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
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