Multimetallic Hierarchical Aerogels: Shape Engineering of the Building Blocks for Efficient Electrocatalysis.
basic_science · Level V
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- Record sourced from PubMed, PMID 28060420.
- Also identified by DOI 10.1002/adma.201605254.
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Abstract
A new class of multimetallic hierarchical aerogels composed entirely of interconnected Ni-Pd<sub>x</sub> Pt<sub>y</sub> 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.