Nitrogen-containing compounds enhance light absorption of aromatic-derived brown carbon

Z Yang, NT Tsona, C George, L Du - Environmental Science & …, 2022 - ACS Publications
The formation of secondary brown carbon (BrC) is chemically complex, leading to an
unclear relationship between its molecular composition and optical properties. Here, we …

Significant coal combustion contribution to water-soluble brown carbon during winter in Xingtai, China: Optical properties and sources

D Li, C Wu, S Zhang, Y Lei, S Lv, W Du, S Liu… - Journal of …, 2023 - Elsevier
To understand the characteristics of atmospheric brown carbon (BrC), daily PM 2.5 samples
in Xingtai, a small city in North China Plain (NCP), during the four seasons of 2018-2019 …

Light absorption and scattering properties of indole secondary organic aerosol prepared under various oxidant and relative humidity conditions

VJ Baboomian, Q He, J Montoya-Aguilera… - Aerosol science and …, 2023 - Taylor & Francis
Secondary organic aerosol (SOA) from indole was produced in a smog chamber under
different relative humidity (RH=< 2%, 25% and 50%) and with different oxidants (O3, OH …

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) …

Effect of relative humidity, NO x, and ammonia on the physical properties of naphthalene secondary organic aerosols

AL Klodt, PK Aiona, AC MacMillan, HJJ Lee… - Environmental …, 2023 - pubs.rsc.org
Light-absorbing organic aerosols, commonly referred to as “brown carbon”(BrC), have
important climate effects. The primary source of BrC is biomass burning, but additional BrC …

Relative Humidity Modulates the Physicochemical Processing of Secondary Brown Carbon Formation from Nighttime Oxidation of Furan and Pyrrole

K Chen, C Hamilton, B Ries, M Lum, R Mayorga… - ACS Es&t …, 2024 - ACS Publications
Light-absorbing secondary organic aerosols (SOAs), also known as secondary brown
carbon (BrC), are major components of wildfire smoke that can have a significant impact on …

Chemical Composition and Optical Properties of Secondary Organic Aerosol from Photooxidation of Volatile Organic Compound Mixtures

Y Cui, K Chen, H Zhang, YH Lin, R Bahreini - ACS Es&t Air, 2024 - ACS Publications
The chemical and optical properties of secondary organic aerosols (SOA) have been widely
studied through environmental chamber experiments, and some of the results have been …

[PDF][PDF] 芳香化合物生成二次有机气溶胶的光学性质研究进展

李坤, 王炜罡, 杜林, 葛茂发 - 大气与环境光学学报, 2022 - researching.cn
芳香化合物是二次有机气溶胶(SOA) 的一类重要前体物, 其在大气中的氧化可以生成具有光吸收
特性的棕色碳. 因此, 理解芳香化合物所生成SOA 的光散射, 光吸收, 反照率等光学性质对于定量 …

Optical properties of secondary organic aerosols formed from aromatic compounds: A review

LI Kun, W Weigang, DU Lin, GE Maofa - Journal of Atmospheric and …, 2022 - gk.hfcas.ac.cn
Aromatic compounds are one important kind of precursors of secondary organic aerosol
(SOA). The atmospheric oxidation of aromatic compounds can produce light-absorbing …

[图书][B] Evolution of Chemical and Optical Properties of Secondary Organic Aerosols Generated from Nighttime Oxidation of Unsaturated Heterocyclic Compounds

NR Raeofy - 2021 - search.proquest.com
Studies have shown that the secondary organic aerosols (SOA), generated from the
oxidation reactions of organic compounds, can produce light-absorbing species referred to …