Particulate nitrate photolysis in the atmosphere

M Gen, Z Liang, R Zhang, BRG Mabato… - Environmental Science …, 2022 - pubs.rsc.org
Multiphase and heterogeneous photochemistry is an emerging component of atmospheric
and air pollution research. It is primarily driven by reactions of photochemically produced …

Aging of atmospheric brown carbon aerosol

RF Hems, EG Schnitzler, C Liu-Kang… - ACS Earth and Space …, 2021 - ACS Publications
Emitted by numerous primary sources and formed by secondary sources, atmospheric
brown carbon (BrC) aerosol is chemically complex. As BrC aerosol ages in the atmosphere …

Secondary formation of atmospheric brown carbon in China haze: implication for an enhancing role of ammonia

X Liu, H Wang, F Wang, S Lv, C Wu… - Environmental …, 2023 - ACS Publications
Optical characteristics and molecular compositions of brown carbon (BrC) were investigated
during winter 2019 at a rural site of China with a focus on nitro-aromatic compounds (NACs) …

[HTML][HTML] Single-particle Raman spectroscopy for studying physical and chemical processes of atmospheric particles

Z Liang, Y Chu, M Gen, CK Chan - Atmospheric Chemistry and …, 2022 - acp.copernicus.org
Atmospheric particles experience various physical and chemical processes and change
their properties during their lifetime. Most studies on atmospheric particles, both in laboratory …

Heterogeneous SO2 Oxidation in Sulfate Formation by Photolysis of Particulate Nitrate

M Gen, R Zhang, DD Huang, Y Li… - … Science & Technology …, 2019 - ACS Publications
Heterogeneous oxidation of sulfur dioxide (SO2) is suggested to be one of the most
important pathways for sulfate formation during extreme haze events in China, yet the exact …

Photochemical aqueous-phase reactions induce rapid daytime formation of oxygenated organic aerosol on the North China Plain

Y Kuang, Y He, W Xu, B Yuan, G Zhang… - … science & technology, 2020 - ACS Publications
Secondary organic aerosol (SOA) constitutes a large fraction of organic aerosol worldwide,
however, the formation mechanisms in polluted environments remain poorly understood …

Strong electric field force at the air/water interface drives fast sulfate production in the atmosphere

Y Liu, Q Ge, T Wang, R Zhang, K Li, K Gong, L Xie… - Chem, 2024 - cell.com
How tiny aqueous aerosol droplets significantly accelerate the atmospheric multiphase
reaction remains an open question. Here, we show both experimental and theoretical …

Heterogeneous Oxidation of SO2 in Sulfate Production during Nitrate Photolysis at 300 nm: Effect of pH, Relative Humidity, Irradiation Intensity, and the Presence of …

M Gen, R Zhang, DD Huang, Y Li… - … Science & Technology, 2019 - ACS Publications
Heterogeneous oxidation of SO2 is one of the promising mechanisms to account for high
loading of sulfate during severe haze periods in China. Our earlier work reported on the SO2 …

Photochemical reactions of glyoxal during particulate ammonium nitrate photolysis: Brown carbon formation, enhanced glyoxal decay, and organic phase formation

R Zhang, M Gen, Z Liang, YJ Li… - Environmental Science & …, 2022 - ACS Publications
Glyoxal is an important precursor of aqueous secondary organic aerosol (aqSOA). Its
photooxidation to form organic acids and oligomers and reactions with reduced nitrogen …

Chemical characteristics of brown carbon in atmospheric particles at a suburban site near Guangzhou, China

YM Qin, HB Tan, YJ Li, ZJ Li… - Atmospheric …, 2018 - acp.copernicus.org
Light-absorbing organic carbon (or brown carbon, BrC) in atmospheric particles has
received much attention for its potential role in global radiative forcing. While a number of …