Brown carbon (BrC) has been recognized as an important contributor to global warming due
to its absorption of solar radiation with strong wavelength dependence. While early studies …

Featured Application Key conclusions and recommendations are proposed to enlighten
decision makers in view of the next regulations on vehicle emissions in Europe and …

Light-absorbing components of atmospheric organic aerosols, which are collectively termed
“brown carbon”(BrC), are ubiquitous in the atmosphere. They affect absorption of solar …

Water-soluble humic like substances (HULIS) in smoke particles emitted from combustion of
biomass materials and coal were characterized by ultrahigh-resolution Fourier transform ion …

The formation of secondary brown carbon (BrC) is chemically complex, leading to an
unclear relationship between its molecular composition and optical properties. Here, we …

N-containing organic compounds (NOCs) in humic-like substances (HULIS) emitted from
biomass burning (BB) and coal combustion (CC) were characterized by ultrahigh-resolution …

The light absorption properties of brown carbon (BrC), which are linked to molecular
chromophores, may play a significant role in the Earth's energy budget. While nitroaromatic …

Aqueous-phase reactions of α-dicarbonyls with ammonium or amines have been identified
as important sources of secondary brown carbon (BrC). However, the identities of most …

This study seeks to understand the compositional details of N-containing aromatic
compounds (NACs) emitted during biomass burning (BB) and their contribution to light …

Smog chamber experiments were conducted to characterize the light absorption of brown
carbon (BrC) from primary and photochemically aged coal combustion emissions. Light …