When cubic nanoparticles get spherical: An Identical Location Transmission Electron Microscopy case study with Pd in alkaline media

Shape-controlled nanoparticles (NPs) are viewed as electrocatalysts of choice for fuel cell applications. However, to date very few studies focus on the persistence of the controlled shape upon operation. Herein, the degradation of cubic palladium NPs is studied in alkaline media using Identical Location Transmission Electron Microscopy (ILTEM) and electrochemical measurements; this work brings evidence that the cubic shape is rapidly destroyed in certain conditions. (C) 2014 Elsevier B.V. All rights reserved.

Mots clés

Shape-controlled nanoparticles Cubic Palladium Identical Location Transmission Electron Microscopy Alkaline electrolyte Degradation

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Catalyse

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https://hal.science/hal-01325631

Soumis le : jeudi 2 juin 2016-14:07:30

Dernière modification le : mardi 12 novembre 2024-03:02:18

Dates et versions

hal-01325631 , version 1 (02-06-2016)

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HAL Id : hal-01325631 , version 1
DOI : 10.1016/j.elecom.2014.07.020

Citer

Anicet Zadick, Laetitia Dubau, Anna Zalineeva, Christophe Coutanceau, Marian Chatenet. When cubic nanoparticles get spherical: An Identical Location Transmission Electron Microscopy case study with Pd in alkaline media. Electrochemistry Communications, 2014, 48 pp.1-4 ⟨10.1016/j.elecom.2014.07.020⟩. ⟨hal-01325631⟩

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