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Updated: Jun 20, 2026
10:22
In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions
Published on: June 16, 2014
Ion/surface reactions and ion soft-landing
Bogdan Gologan1, Jason R Green, Jormarie Alvarez
1Department of Chemistry, Purdue University, West Lafayette, IN 47907-2084, USA.
Physical Chemistry Chemical Physics : PCCP
|October 1, 2009
Summary
This review covers hyperthermal ion/surface collisions, focusing on chemical processes, surface-induced dissociation for analysis, and ion soft-landing for preparing intact molecules and preserving biological activity.
Area of Science:
- Surface Science
- Physical Chemistry
- Analytical Chemistry
Background:
- Ion/surface collisions at hyperthermal energies (1-100 eV) involve complex chemical and physical processes.
- Functionalized self-assembled monolayers serve as key targets for investigating these interactions.
- Understanding these phenomena is crucial for advanced chemical analysis and material modification.
Purpose of the Study:
- To review ion/surface collision phenomena in the hyperthermal energy regime.
- To emphasize chemical processes involving organic and biological ions impacting surfaces.
- To highlight applications in chemical analysis and surface modification.
Main Methods:
- Review of inelastic collisions leading to surface-induced dissociation.
- Analysis of charge changes, including surface-induced charge inversion.
- Discussion of reactive collisions for surface modification and analysis.
- Detailed examination of ion soft-landing techniques.
Main Results:
- Surface-induced dissociation is valuable for tandem mass spectrometry.
- Charge inversion aids in ion structural characterization and isomer differentiation.
- Reactive collisions enable selective surface chemical modification.
- Ion soft-landing facilitates preparative mass spectrometry and compound isolation.
Conclusions:
- Ion/surface collisions offer versatile tools for chemical analysis and surface science.
- Ion soft-landing preserves molecular integrity and biological activity of deposited ions.
- These interactions are pivotal for developing novel analytical and preparative techniques.
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