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Hydrogen evolution with hot electrons on a plasmonic-molecular catalyst hybrid system

Chemistry

Hydrogen evolution with hot electrons on a plasmonic-molecular catalyst hybrid system

A. Dey, A. Mendalz, et al.

This exciting research, conducted by authors including Ananta Dey and Amal Mendalz, reveals the groundbreaking use of plasmon hot electrons for hydrogen evolution under visible light. The study highlights how a unique nanohybrid system enhances proton-electron transfer, paving the way for advanced solar energy solutions.

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Playback language: English
Abstract
This study demonstrates the direct utilization of plasmon hot electrons in the hydrogen evolution reaction (HER) using visible light. A plasmonic nanohybrid system, NiO/Au/[Co(1,10-Phenanthrolin-5-amine)2(H2O)2], was assembled to minimize thermal contributions and maximize hot carrier effects. Combining photoelectrocatalysis with in situ spectroscopies revealed a reaction mechanism where plasmon-induced hot electrons are transferred to phenanthroline ligands, facilitating proton-electron transfer steps for hydrogen generation. The catalytic response to light modulation supports a hot carrier-mediated process with a minor positive heat contribution.
Publisher
Nature Communications
Published On
Jan 10, 2024
Authors
Ananta Dey, Amal Mendalz, Anna Wach, Robert Bericat Vadell, Vitor R. Silveira, Paul Maurice Leidinger, Thomas Huthwelker, Vitalii Shtender, Zbynek Novotny, Luca Artiglia, Jacinto Sá
Tags
plasmon hot electrons
hydrogen evolution
photoelectrocatalysis
nanohybrid system
energy generation
visible light
catalytic response

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