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1. Surface characterization and chemical speciation of adsorbed iron(iii) on oxidized carbon nanoparticles

Author:
Pattammattel, Ajith; Leppert, Valerie J.; Forman, Henry Jay; O'Day, Peggy A.
Source:
Environmental science 2019 v.21 no.3 pp. 548-563
ISSN:
2050-7895
Subject:
X-radiation; X-ray absorption spectroscopy; air; carbon nanoparticles; carboxylic acids; chemical speciation; electron microscopy; environmental science; iron; metal ions; models; moieties; oxidation; oxygen; particulates; sorption; spectral analysis; surface area; toxicity
Abstract:
... Carbonaceous nanomaterials represent a significant portion of ultra-fine airborne particulate matter, and iron is the most abundant transition metal in air particles. Owing to their high surface area and atmospheric oxidation, carbon nanoparticles (CNP) are enriched with surface carbonyl functional groups and act as a host for metals and small molecules. Using a synthetic model, concentration-depe ...
DOI:
10.1039/c8em00545a