Photochemical transformation is an important process that involves trace organic
contaminants (TrOCs) in sunlit surface waters. However, the environmental implications of …

Photoacoustic spectroscopy (PAS) using two optical combs is a new-born technique,
offering appealing features, including broad optical bandwidths, high resolutions, fast …

Ozonolysis of isoprene is considered to be an important source of formic acid (HCOOH), but
its underlying reaction mechanisms related to HCOOH formation are poorly understood …

In this Letter, an electro-optic dual-comb spectrometer with a central tunable range of 7.77–
8.22 µm is demonstrated to perform transient absorption spectroscopy of the simplest …

Criegee intermediates, derived from ozonolysis of alkenes and recognized as key species in
the production of nonphotolytic free radicals, play a crucial role in atmospheric chemistry …

Atmospheric chemistry research and atmospheric measurement techniques have mutually
promoted each other and developed rapidly in China in recent years. Cavity-based …

The radical–radical reaction between OH and HO2 has been considered for a long time as
an important reaction in tropospheric photochemistry and combustion chemistry. However, a …

Absolute line strengths of several transitions in the ν 1 fundamental band of the hydroxyl
radical (OH) have been measured by simultaneous determination of hydrogen peroxide (H 2 …

Broadband precision spectroscopy is an invaluable tool for high-fidelity species diagnostics
as well as multispecies sensing in complex real-world environments. However, concurrent …

The reaction of Criegee intermediates with nitric acid (HNO3) plays an important role for
removal of Criegee intermediates as well as in oxidation of atmospheric HNO3 because of …