Articles | Volume 12, issue 7
https://doi.org/10.5194/amt-12-3541-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-12-3541-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Jul 2019
Research article |
| 03 Jul 2019
| 03 Jul 2019
Method to measure the size-resolved real part of aerosol refractive index using differential mobility analyzer in tandem with single-particle soot photometer
Gang Zhao
Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing, China
Weilun Zhao
Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing, China
Chunsheng Zhao
CORRESPONDING AUTHOR
Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing, China
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Cited
16 citations as recorded by crossref.
- Overview of methods to characterize the mass, size, and morphology of soot T. Sipkens et al. 10.1016/j.jaerosci.2023.106211
- Parameterization of the ambient aerosol refractive index with source appointed chemical compositions G. Zhao et al. 10.1016/j.scitotenv.2022.156573
- Overestimation of black carbon light absorption due to mixing state heterogeneity L. Zeng et al. 10.1038/s41612-023-00535-8
- Impacts of variations in aerosol refractive index on the retrieving of the light-absorption and hygroscopicity of ambient black carbon-containing aerosols using SP2 G. Zhao et al. 10.1016/j.atmosenv.2024.120359
- Method to quantify black carbon aerosol light absorption enhancement with a mixing state index G. Zhao et al. 10.5194/acp-21-18055-2021
- Larger than expected variation range in the real part of the refractive index for ambient aerosols in China G. Zhao et al. 10.1016/j.scitotenv.2021.146443
- Significant changes in the physicochemical properties of BC-containing particles during the cold season in Beijing S. Hu et al. 10.1016/j.jes.2024.04.035
- Refractive index enhancement by secondary organic aerosol formation in humid southern China challenges model assumptions J. Shen et al. 10.5194/acp-25-11233-2025
- Microphysical properties of refractory black carbon aerosols for different air masses at a central European background site Y. Yang et al. 10.5194/acp-25-8637-2025
- A new parameterization scheme for the real part of the ambient urban aerosol refractive index G. Zhao et al. 10.5194/acp-19-12875-2019
- Size-resolved refractive index of scattering aerosols in urban Beijing: A seasonal comparison Y. Wu et al. 10.1080/02786826.2021.1924357
- Evolution of refractory black carbon mixing state in an urban environment S. Kasparoglu et al. 10.1016/j.atmosenv.2024.120651
- Technical note: Mismeasurement of the core-shell structure of black carbon-containing ambient aerosols by SP2 measurements G. Zhao et al. 10.1016/j.atmosenv.2020.117885
- Determination of the refractive index of ambient aerosols G. Zhao et al. 10.1016/j.atmosenv.2020.117800
- Technical note: Measurement of chemically resolved volume equivalent diameter and effective density of particles by AAC-SPAMS L. Peng et al. 10.5194/acp-21-5605-2021
- Retrieval of refractive index of ultrafine single particle using hygroscopic growth factor obtained by high sensitive surface plasmon resonance microscopy B. Yang et al. 10.1016/j.jes.2022.03.008
16 citations as recorded by crossref.
- Overview of methods to characterize the mass, size, and morphology of soot T. Sipkens et al. 10.1016/j.jaerosci.2023.106211
- Parameterization of the ambient aerosol refractive index with source appointed chemical compositions G. Zhao et al. 10.1016/j.scitotenv.2022.156573
- Overestimation of black carbon light absorption due to mixing state heterogeneity L. Zeng et al. 10.1038/s41612-023-00535-8
- Impacts of variations in aerosol refractive index on the retrieving of the light-absorption and hygroscopicity of ambient black carbon-containing aerosols using SP2 G. Zhao et al. 10.1016/j.atmosenv.2024.120359
- Method to quantify black carbon aerosol light absorption enhancement with a mixing state index G. Zhao et al. 10.5194/acp-21-18055-2021
- Larger than expected variation range in the real part of the refractive index for ambient aerosols in China G. Zhao et al. 10.1016/j.scitotenv.2021.146443
- Significant changes in the physicochemical properties of BC-containing particles during the cold season in Beijing S. Hu et al. 10.1016/j.jes.2024.04.035
- Refractive index enhancement by secondary organic aerosol formation in humid southern China challenges model assumptions J. Shen et al. 10.5194/acp-25-11233-2025
- Microphysical properties of refractory black carbon aerosols for different air masses at a central European background site Y. Yang et al. 10.5194/acp-25-8637-2025
- A new parameterization scheme for the real part of the ambient urban aerosol refractive index G. Zhao et al. 10.5194/acp-19-12875-2019
- Size-resolved refractive index of scattering aerosols in urban Beijing: A seasonal comparison Y. Wu et al. 10.1080/02786826.2021.1924357
- Evolution of refractory black carbon mixing state in an urban environment S. Kasparoglu et al. 10.1016/j.atmosenv.2024.120651
- Technical note: Mismeasurement of the core-shell structure of black carbon-containing ambient aerosols by SP2 measurements G. Zhao et al. 10.1016/j.atmosenv.2020.117885
- Determination of the refractive index of ambient aerosols G. Zhao et al. 10.1016/j.atmosenv.2020.117800
- Technical note: Measurement of chemically resolved volume equivalent diameter and effective density of particles by AAC-SPAMS L. Peng et al. 10.5194/acp-21-5605-2021
- Retrieval of refractive index of ultrafine single particle using hygroscopic growth factor obtained by high sensitive surface plasmon resonance microscopy B. Yang et al. 10.1016/j.jes.2022.03.008
Latest update: 19 Oct 2025
Short summary
A new method is proposed to retrieve the size-resolved real part of the refractive index (RRI). The main principle of deriving the RRI is measuring the scattering intensity by a single-particle soot photometer of a size-selected aerosol. This method is validated by a series of calibration experiments using the components of the known RI. The retrieved size-resolved RRI covers a wide range, from 200 nm to 450 nm, with uncertainty of less than 0.02.
A new method is proposed to retrieve the size-resolved real part of the refractive index (RRI)....
