Atmospheric Oxidation Mechanism of VOCs

Dear Colleagues,

Large quantities of volatile organic compounds (VOCs) are emitted into the atmosphere from both anthropogenic and biogenic sources. The oxidation of VOCs is central to the chemistry of Earth’s atmosphere, playing an important role in air quality, human health, and global climate. Once emitted, these species can undergo a series of oxidation processes by atmospheric oxidants (OH, O₃, NO₃, Cl, and others), leading to the formation of a wide variety of secondary and multiple species. These species are highly reactive, which significantly influences atmospheric oxidant levels, as well as the production of key pollutants such as ozone and secondary organic aerosol (SOA), and thus has major impacts on air quality and radiative forcing.

Decades of theoretical and experimental work have built up a detailed picture of the oxidation mechanisms of VOCs, and specifically the reaction pathways of key organic intermediates. In recent years, advances in technology and analytical measurement techniques have improved our ability to accurately quantify atmospheric VOCs and better understand the key oxidation process. However, a large number of observation and simulation studies have shown that there are additional, still-undiscovered reaction pathways for functionalized intermediates that may be atmospherically important.

The aim of this Special Issue is to bring together the latest progress on understanding the atmospheric chemical processes and oxidation mechanisms of VOCs, including gas-phase, condensed-phase, and heterogeneous oxidation.

Dr. Sainan Wang
Prof. Dr. Liming Wang
Guest Editors

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• atmospheric oxidation mechanism
• reactive intermediates
• multiple generations of oxidation
• atmospheric oxidation capacity