The task of bridging the pressure gap between ideal ultrahigh vacuum conditions and more realistic reaction conditions involving gas and liquid phases is crucial in surface and interfacial chemistry. Scanning tunneling microscopy (STM) has played a key role in addressing this challenge by enabling atomic-scale probing of the interface. STM enabled us to study surface structure, electronic structure, atomic manipulation, dynamics of molecules and atoms, and chemical properties of the surface at the atomic scale. Over the past four decades, the field of STM has undergone explosive growth. This review article focuses on recent advances in operando STM, specifically in the study of solid–liquid and solid–gas interfaces. It highlights the latest works in ambient-pressure STM, which has enabled the observation of atomic features under various gas and reaction conditions. This information sheds light on the surface mobility of adsorbates and atomic structures of reaction intermediates. The review also addresses research on electrochemical STM, which investigates the evolution of surface morphology under electrochemical processes and provides insights into atomic-scale reaction mechanisms. Finally, the article outlines future challenges and perspectives for operando STM techniques.
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Scanning tunneling microscopy under chemical reaction at solid–liquid and solid–gas interfaces
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September 2023
Review Article|
July 31 2023
Scanning tunneling microscopy under chemical reaction at solid–liquid and solid–gas interfaces
Yongman Kim
;
Yongman Kim
(Conceptualization, Data curation, Writing – original draft, Writing – review & editing)
Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)
, Daejeon 34141, Republic of Korea
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Young Jae Kim
;
Young Jae Kim
(Conceptualization, Data curation, Writing – original draft, Writing – review & editing)
Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)
, Daejeon 34141, Republic of Korea
Search for other works by this author on:
Jeong Young Park
Jeong Young Park
a)
(Conceptualization, Data curation, Funding acquisition, Writing – original draft, Writing – review & editing)
Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST)
, Daejeon 34141, Republic of Korea
a)Author to whom correspondence should be addressed: jeongypark@kaist.ac.kr
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a)Author to whom correspondence should be addressed: jeongypark@kaist.ac.kr
Chem. Phys. Rev. 4, 031303 (2023)
Article history
Received:
May 09 2023
Accepted:
July 05 2023
Citation
Yongman Kim, Young Jae Kim, Jeong Young Park; Scanning tunneling microscopy under chemical reaction at solid–liquid and solid–gas interfaces. Chem. Phys. Rev. 1 September 2023; 4 (3): 031303. https://doi.org/10.1063/5.0157597
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