Hot Electron Phenomena at Solid-Liquid Interfaces

Si Woo Lee, Beomjoon Jeon, Hyosun Lee, Jeong Young Park

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations

Abstract

Understanding the role of energy dissipation and charge transfer under exothermic chemical reactions on metal catalyst surfaces is important for elucidating the fundamental phenomena at solid-gas and solid-liquid interfaces. Recently, many surface chemistry studies have been conducted on the solid-liquid interface, so correlating electronic excitation in the liquid-phase with the reaction mechanism plays a crucial role in heterogeneous catalysis. In this review, we introduce the detection principle of electron transfer at the solid-liquid interface by developing cutting-edge technologies with metal-semiconductor Schottky nanodiodes. The kinetics of hot electron excitation are well correlated with the reaction rates, demonstrating that the operando method for understanding nonadiabatic interactions is helpful in studying the reaction mechanism of surface molecular processes. In addition to the detection of hot electrons excited by a catalytic reaction, we highlight recent results on how the transfer of the hot electrons influences surface chemical and photoelectrochemical reactions.

Original languageEnglish
Pages (from-to)9435-9448
Number of pages14
JournalJournal of Physical Chemistry Letters
Volume13
Issue number40
DOIs
StatePublished - 13 Oct 2022

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