• Journal of Atmospheric and Environmental Optics
  • Vol. 20, Issue 2, 188 (2025)
FAN Jiafu1, YU Yuanqin1, GU Xuejun2,*, and TANG Xiaofeng2
Author Affiliations
  • 1School of Physicals and Optoelectronics Engineering of Anhui University, Hefei 230601, China
  • 2Anhui Institute of Optics and Fine Mechanics Basic Science Physics Research Center, HFIPS,Chinese Academy of Sciences, Hefei 230031, China
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    DOI: 10.3969/j.issn.1673-6141.2025.02.007 Cite this Article
    Jiafu FAN, Yuanqin YU, Xuejun GU, Xiaofeng TANG. Investigation of photolysis of glyoxal/ammonium sulfate aqueous secondary organic aerosol[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(2): 188 Copy Citation Text show less
    Schematic of the smog chamber system
    Fig. 1. Schematic of the smog chamber system
    Characterization of experimental parameters of smog chamber system under dark reaction
    Fig. 2. Characterization of experimental parameters of smog chamber system under dark reaction
    Variation of spray aerosol size of "annual solution " sample with irradiation time
    Fig. 3. Variation of spray aerosol size of "annual solution " sample with irradiation time
    Variation of spray aerosol size of "daily solution" sample with irradiation time
    Fig. 4. Variation of spray aerosol size of "daily solution" sample with irradiation time
    Mass spectra of glyoxal/ammonium sulfate aqueous secondary organic aerosol with and without UV radiation
    Fig. 5. Mass spectra of glyoxal/ammonium sulfate aqueous secondary organic aerosol with and without UV radiation
    Variation of particle size of glyoxal/ammonium sulfate spray aerosol with UV irradiation time at different humidity.(a) RH: 10%; (b) RH: 45%; (c) RH: 70%
    Fig. 6. Variation of particle size of glyoxal/ammonium sulfate spray aerosol with UV irradiation time at different humidity.(a) RH: 10%; (b) RH: 45%; (c) RH: 70%
    No.Sample concentrationRelative humidity/%Sample preparation timeSolution colorUV radiationPhotolysis
    10.02 M:0.02 M452018-12-17 (年液)黄色
    20.02 M:0.02 M10当天配制 (日液)无色
    30.02 M:0.02 M45当天配制 (日液)无色
    40.02 M:0.02 M70当天配制 (日液)无色×
    Table 1. Experimental conditions and results of photolysis of glyoxal/ammonium sulfate spray aerosol
    Jiafu FAN, Yuanqin YU, Xuejun GU, Xiaofeng TANG. Investigation of photolysis of glyoxal/ammonium sulfate aqueous secondary organic aerosol[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(2): 188
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