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dc.contributor.author
Yoder, Bruce L.
dc.contributor.author
West, Adam H.C.
dc.contributor.author
Schläppi, Bernhard
dc.contributor.author
Chasovskikh, Egor
dc.contributor.author
Signorell, Ruth
dc.date.accessioned
2020-08-10T12:48:15Z
dc.date.available
2017-06-10T14:50:40Z
dc.date.available
2020-08-10T12:14:07Z
dc.date.available
2020-08-10T12:48:15Z
dc.date.issued
2013-01
dc.identifier.issn
0021-9606
dc.identifier.issn
1089-7690
dc.identifier.other
10.1063/1.4788620
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/64622
dc.identifier.doi
10.3929/ethz-b-000064622
dc.description.abstract
We present a new experimental configuration for the study of size-dependent, angle-resolved photoelectron and photoion spectra of weakly bound ultrafine aerosol particles targeted at particle sizes below ∼20 nm. It combines single photon ionization by a tunable, table-top vacuum ultraviolet laser at energies up to 18 eV with velocity map imaging detection and independent size determination of the aerosol particles using the Na-doping method. As an example, the size-dependence of the valence photoelectron spectrum of dimethyl ether clusters and ultrafine aerosols is investigated. Up to a mean particle diameter of ∼3–4 nm, the first ionization energy (value at band maximum) decreases systematically (up to ∼1 eV) and the corresponding band broadens systematically (up to a factor of ∼3) with increasing aggregate size. Plateau values for band positions and bandwidths are reached beyond a diameter of ∼3–4 nm. Experimental evidence for the dominance of the fast intermolecular proton transfer over monomer fragmentation reactions upon ionization is presented via photoion imaging.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
AIP Publishing
en_US
dc.rights.uri
http://rightsstatements.org/page/InC-NC/1.0/
dc.title
A velocity map imaging photoelectron spectrometer for the study of ultrafine aerosols with a table-top VUV laser and Na-doping for particle sizing applied to dimethyl ether condensation
en_US
dc.type
Journal Article
dc.rights.license
In Copyright - Non-Commercial Use Permitted
dc.date.published
2013-01-30
ethz.journal.title
The Journal of Chemical Physics
ethz.journal.volume
138
en_US
ethz.journal.issue
4
en_US
ethz.journal.abbreviated
J. Chem. Phys.
ethz.pages.start
044202
en_US
ethz.size
12 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.nebis
000049290
ethz.publication.place
Melville, NY
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02020 - Dep. Chemie und Angewandte Biowiss. / Dep. of Chemistry and Applied Biosc.::02515 - Laboratorium für Physikalische Chemie / Laboratory of Physical Chemistry::03961 - Signorell, Ruth / Signorell, Ruth
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02020 - Dep. Chemie und Angewandte Biowiss. / Dep. of Chemistry and Applied Biosc.::02515 - Laboratorium für Physikalische Chemie / Laboratory of Physical Chemistry::03961 - Signorell, Ruth / Signorell, Ruth
ethz.date.deposited
2017-06-10T14:53:16Z
ethz.source
ECIT
ethz.identifier.importid
imp5936506c9bfcf31617
ethz.ecitpid
pub:102736
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-12T18:52:24Z
ethz.rosetta.lastUpdated
2021-02-15T16:07:11Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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