CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Hygroscopic properties of NaCl nanoparticles on the surface: a scanning force microscopy study
Wang, XX; Lei, HZ; Berger, R; Zhang, Y; Su, H; Cheng, YF
2020
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume22Issue:18Pages:9967-9973
Subtype期刊论文
AbstractWe investigated the hygroscopic growth of sodium chloride (NaCl) nanoparticles with curvature related diameters ranging from 10 nm to 200 nm, at different relative humidities using scanning force microscopy. Hygroscopic aerosol nanoparticles play a vital role in the Earth's climate and human health. We report that 10 nm NaCl nanoparticles adsorbed on silicon surfaces have a higher deliquescence relative humidity than larger NaCl nanoparticles (size > 30 nm). This finding is consistent with the observations for airborne nanoparticles by hygroscopicity tandem differential mobility analyzer. Therefore, the presence of silicon surfaces plays no significant role in the deliquescence relative humidity. Moreover, the study of individual airborne particles by means of scanning force microscopy revealed that the ability of water uptake, i.e. growth factor, of NaCl particles differs by as large as 40% at the same relative humidity. This finding indicates that the individual nature of NaCl particles influences the growth factor.
KeywordAEROSOL-PARTICLES PHASE-TRANSITIONS WATER-VAPOR GROWTH DELIQUESCENCE EFFLORESCENCE SPECTROSCOPY BEHAVIOR SULFATE SALTS
DOI10.1039/d0cp00155d
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32917
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Max Planck Inst Chem, Multiphase Chem Dept, Hahn Meitner Weg 1, D-55128 Mainz, Germany
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China
3.Max Planck Inst Polymer Res, Ackermannweg 10, D-55128 Mainz, Germany
Recommended Citation
GB/T 7714
Wang, XX,Lei, HZ,Berger, R,et al. Hygroscopic properties of NaCl nanoparticles on the surface: a scanning force microscopy study[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2020,22(18):9967-9973.
APA Wang, XX,Lei, HZ,Berger, R,Zhang, Y,Su, H,&Cheng, YF.(2020).Hygroscopic properties of NaCl nanoparticles on the surface: a scanning force microscopy study.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,22(18),9967-9973.
MLA Wang, XX,et al."Hygroscopic properties of NaCl nanoparticles on the surface: a scanning force microscopy study".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 22.18(2020):9967-9973.
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