Effects of SO2 on optical properties of secondary organic aerosol generated from photooxidation of toluene under different relative humidity conditions
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
Chao Peng
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
now at: State Key Laboratory of Organic Geochemistry, Guangzhou
Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640,
China
Air Quality Research Division, Environment and Climate Change Canada,
Toronto, Ontario M3H 5T4, Canada
now at: Laboratory of Atmospheric Chemistry, Paul Scherrer
Institute (PSI), 5232 Villigen, Switzerland
Li Zhou
College of Architecture and Environment, Sichuan University, Chengdu,
China
Bo Shi
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
Yan Chen
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
Mingyuan Liu
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
State Key Laboratory for Structural Chemistry of Unstable and
Stable Species, Beijing National Laboratory for Molecular Sciences (BNLMS),
CAS Research/Education Center for Excellence in Molecular Sciences,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190,
China
University of Chinese Academy of Sciences, Beijing 100049,
China
Center for Excellence in Regional Atmospheric Environment,
Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021,
China
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We investigated the effect of SO2 under different humidities on optical properties of toluene-derived SOA under four conditions with CRDs and PAX at 532 and 375 nm, respectively. Our results showed that SO2 under different humidities can change the refractive complex index of toluene SOA by influencing the multiphase processes and altering the aerosol chemical compositions. Different atmospheric conditions could affect the properties of toluene SOA, as well as the global radiative balance.
We investigated the effect of SO2 under different humidities on optical properties of...
