Multimetallic Hierarchical Aerogels: Shape Engineering of the Building Blocks for Efficient Electrocatalysis

Multimetallic Hierarchical Aerogels: Shape Engineering of the Building Blocks for Efficient Electrocatalysis

A new class of multimetallic hierarchical aerogels composed entirely of interconnected Ni‐PdxPty nano‐building‐blocks with in situ engineered morphologies and compositions is demonstrated. The underlying mechanism of the galvanic shape‐engineering is elucidated in terms of nanowelding of intermediat...

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Bibliographic Details
Published in:Advanced materials (Weinheim) Vol. 29; no. 11; pp. np - n/a
Main Authors: Cai, Bin, Dianat, Arezoo, Hübner, René, Liu, Wei, Wen, Dan, Benad, Albrecht, Sonntag, Luisa, Gemming, Thomas, Cuniberti, Gianaurelio, Eychmüller, Alexander
Format: Journal Article
Language:English
Published: Germany Wiley Subscription Services, Inc 01-03-2017
Subjects:
Aerogels
Electrocatalysis
electrocatalysts
ethanol oxidation
hierarchical structures
Morphology
Nanoparticles
Nanostructure
Performance enhancement
sol–gel processes
aerogels
electrocatalysts
hierarchical structures
ethanol oxidation
sol-gel processes
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Summary:A new class of multimetallic hierarchical aerogels composed entirely of interconnected Ni‐PdxPty nano‐building‐blocks with in situ engineered morphologies and compositions is demonstrated. The underlying mechanism of the galvanic shape‐engineering is elucidated in terms of nanowelding of intermediate nanoparticles. The hierarchical aerogels integrate two levels of porous structures, leading to improved electrocatalysis performance.
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content type line 23
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201605254