Oxidation of catechols at the air–water interface by nitrate radicals

MS Rana, MI Guzman - Environmental Science & Technology, 2022 - ACS Publications
Abundant substituted catechols are emitted to, and created in, the atmosphere during
wildfires and anthropogenic combustion and agro-industrial processes. While ozone (O3) …

Contribution of carbonyl chromophores in secondary brown carbon from nighttime oxidation of unsaturated heterocyclic volatile organic compounds

K Chen, R Mayorga, C Hamilton… - Environmental …, 2023 - ACS Publications
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 …

Solvent effects on chemical composition and optical properties of extracted secondary brown carbon constituents

K Chen, N Raeofy, M Lum, R Mayorga… - Aerosol Science and …, 2022 - Taylor & Francis
Brown carbon (BrC) aerosol is an important contributor to positive radiative forcing on Earth,
but its influence on the global radiative budget remains uncertain due to the limitations of …

Oligomerization Mechanism of Methylglyoxal Regulated by the Methyl Groups in Reduced Nitrogen Species: Implications for Brown Carbon Formation

Q Shi, L Gao, W Li, J Wang, Z Shi, Y Li… - Environmental …, 2024 - ACS Publications
Uncertain chemical mechanisms leading to brown carbon (BrC) formation affect the drivers
of the radiative effects of aerosols in current climate predictions. Herein, the aqueous-phase …

Links between the optical properties and chemical compositions of brown carbon chromophores in different environments: Contributions and formation of …

X Li, M Hu, Y Wang, N Xu, H Fan, T Zong, Z Wu… - Science of the Total …, 2021 - Elsevier
Links between the optical properties and chemical compositions of brown carbon (BrC) are
poorly understood because of the complexity of BrC chromophores. We conducted field …

Chemical structure regulates the formation of secondary organic aerosol and brown carbon in nitrate radical oxidation of pyrroles and methylpyrroles

R Mayorga, K Chen, N Raeofy, M Woods… - Environmental …, 2022 - ACS Publications
Nitrogen-containing heterocyclic volatile organic compounds (VOCs) are important
components of wildfire emissions that are readily reactive toward nitrate radicals (NO3) …

Light absorption by cinnamaldehyde constituents of biomass burning organic aerosol modeled using time-dependent density functional theory

CT Calvert, EG Schnitzler - ACS Earth and Space Chemistry, 2023 - ACS Publications
Organic aerosol emitted from biomass burning absorbs visible radiation. However, the
impact of this light absorption on the overall climate effects of atmospheric aerosol is not well …

Insights into the nitroaromatic compounds, formation, and light absorption contributing emissions from various geological maturity coals

S Huang, X Yang, H Xu, Y Zeng, D Li, J Sun… - Science of The Total …, 2023 - Elsevier
Nitroaromatic compounds (NACs) are essential components of atmospheric organic
aerosols. Coal combustion is a key source of atmospheric NACs. In this study, a triple …

Effects of nitrate radical levels and pre-existing particles on secondary brown carbon formation from nighttime oxidation of furan

K Chen, R Mayorga, N Raeofy, M Lum… - ACS Earth and Space …, 2022 - ACS Publications
Furans are predominant heterocyclic volatile organic compounds in the atmosphere from
both primary and secondary sources, such as direct emissions from wildfires and …

Study on photochemistry and component transport coupling processes of azobenzene molecular solar thermal system

Y Wang, L Sheng, H Du, J Shi, Z Chen - Applied Energy, 2024 - Elsevier
Molecular solar thermal (MOST) system is a new technology to collect, transform and store
solar energy. The mechanism of photochemical reaction and component transport of …