Are High Resolution Atomic Force Microscopy images proportional to the force gradient or the force maps?

Ventura-Macias, Emiliano; Romero‐Muñiz, Carlos; González-Sánchez, Pablo; Pou, Pablo Jauralde; Pérez, Rúben

doi:10.1016/j.apsusc.2023.157558

Applied Surface Science

2023

DOI: 10.1016/j.apsusc.2023.157558

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Are High Resolution Atomic Force Microscopy images proportional to the force gradient or the force maps?

Emiliano Ventura-Macias

Carlos Romero‐Muñiz

Pablo González-Sánchez

et al.

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2024

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Structure and Defect Identification at Self-Assembled Islands of CO₂ Using Scanning Probe Microscopy

Custance,

Ventura-Macias,

Stetsovych

et al. 2024

ACS Nano

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Understanding how carbon dioxide (CO 2 ) behaves and interacts with surfaces is paramount for the development of sensors and materials to attempt CO 2 mitigation and catalysis. Here, we combine simultaneous atomic force microscopy (AFM) and scanning tunneling microscopy (STM) using CO-functionalized probes with density functional theory (DFT)-based simulations to gain fundamental insight into the behavior of physisorbed CO 2 molecules on a gold(111) surface that also contains one-dimensional metal−organic chains formed by 1,4phenylene diisocyanide (PDI) bridged by gold (Au) adatoms. We resolve the structure of self-assembled CO 2 islands, both confined between the PDI−Au chains as well as free-standing on the surface and reveal a chiral arrangement of CO 2 molecules in a windmill-like structure that encloses a standing-up CO 2 molecule and other foreign species existing at the surface. We identify these species by the comparison of height-dependent AFM and STM imaging with DFT-calculated images and clarify the origin of the kagome tiling exhibited by this surface system. Our results show the complementarity of AFM and STM using functionalized probes and their potential, when combined with DFT, to explore greenhouse gas molecules at surface-supported model systems.

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Structure and Defect Identification at Self-Assembled Islands of CO₂ Using Scanning Probe Microscopy

Custance,

Ventura-Macias,

Stetsovych

et al. 2024

ACS Nano

View full text Add to dashboard Cite

show abstract

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Are High Resolution Atomic Force Microscopy images proportional to the force gradient or the force maps?

Cited by 1 publication

References 43 publications

Structure and Defect Identification at Self-Assembled Islands of CO₂ Using Scanning Probe Microscopy

Structure and Defect Identification at Self-Assembled Islands of CO₂ Using Scanning Probe Microscopy

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Are High Resolution Atomic Force Microscopy images proportional to the force gradient or the force maps?

Cited by 1 publication

References 43 publications

Structure and Defect Identification at Self-Assembled Islands of CO2 Using Scanning Probe Microscopy

Structure and Defect Identification at Self-Assembled Islands of CO2 Using Scanning Probe Microscopy

Contact Info

Product

Resources

About

Structure and Defect Identification at Self-Assembled Islands of CO₂ Using Scanning Probe Microscopy

Structure and Defect Identification at Self-Assembled Islands of CO₂ Using Scanning Probe Microscopy