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Abstract
This paper demonstrates a low-temperature synthesis of supported CoNiCuRuPd high-entropy alloy (HEA) nanoparticles (NPs) on titanium dioxide (TiO₂) at 400 °C, driven by the hydrogen spillover effect and coupled proton/electron transfer. The resulting CoNiCuRuPd HEA NPs on TiO₂ showed high activity and durability during CO₂ hydrogenation. In situ techniques and theoretical calculations revealed a cocktail effect and sluggish diffusion due to synergistic effects of the element combination.
Publisher
Nature Communications
Published On
Jun 23, 2021
Authors
Kohsuke Mori, Naoki Hashimoto, Naoto Kamiuchi, Hideto Yoshida, Hisayoshi Kobayashi, Hiromi Yamashita
Tags
high-entropy alloy
co-catalysts
low-temperature synthesis
catalytic activity
hydrogenation
synergistic effects
nanoparticles

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