期刊
JOURNAL OF CHEMICAL PHYSICS
卷 146, 期 22, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4983995
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资金
- ETH Zurich
- Swiss National Science Foundation [200020_159205]
- Swiss National Science Foundation (SNF) [200020_159205] Funding Source: Swiss National Science Foundation (SNF)
The transmission of low-energy (< 1.8 eV) photoelectrons through the shell of core-shell aerosol particles is studied for liquid squalane, squalene, and di-ethyl-hexyl-sebacate shells. The photoelectrons are exclusively formed in the core of the particles by two-photon ionization. The total photoelectron yield recorded as a function of shell thicknesses (1-80 nm) shows a bi-exponential attenuation. For all substances, the damping parameter for shell thicknesses below 15 nm lies around 8 to 9 nm and is tentatively assigned to the electron attenuation length at electron kinetic energies of. 1 eV. The significantly larger damping parameters for thick shells (> 20 nm) are presumably a consequence of distorted core-shell structures. A first comparison of aerosol and traditional thin film overlayer methods is provided. Published by AIP Publishing.
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