Atomic Force Microscopy-Infrared Spectroscopy of Individual Atmospheric Aerosol Particles: Subdiffraction Limit Vibrational Spectroscopy and Morphological Analysis

Chemical analysis of atmospheric aerosols is an analytical challenge, as aerosol particles are complex chemical mixtures that can contain hundreds to thousands of species in attoliter volumes at the most abundant sizes in the atmosphere (∼100 nm). These particles have global impacts on climate and h...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 2017-09, Vol.89 (17), p.8594-8598
Main Authors: Bondy, Amy L, Kirpes, Rachel M, Merzel, Rachel L, Pratt, Kerri A, Banaszak Holl, Mark M, Ault, Andrew P
Format: Article
Language:English
Subjects:
Aerosols
Ammonium
Ammonium sulfate
Analytical chemistry
Atmospheric aerosols
Atomic force microscopy
Atoms & subatomic particles
Chemical analysis
Chemistry
Climate
Diffraction
Frequencies
Infrared spectroscopy
Microscopy
Morphology
Photons
Pressure
Sodium
Sodium nitrate
Spatial resolution
Species
Spectroscopic analysis
Spectroscopy
Succinic acid
Sucrose
Sugar
Sulfates
Viscosity
Water uptake
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Summary:Chemical analysis of atmospheric aerosols is an analytical challenge, as aerosol particles are complex chemical mixtures that can contain hundreds to thousands of species in attoliter volumes at the most abundant sizes in the atmosphere (∼100 nm). These particles have global impacts on climate and health, but there are few methods available that combine imaging and the detailed molecular information from vibrational spectroscopy for individual particles
ISSN:0003-2700
1520-6882
DOI:10.1021/acs.analchem.7b02381