title: Photoluminescence Spectroscopy of Mass-Selected Electrosprayed Ions Embedded in Cryogenic Rare-Gas Matrixes.
abstract: An apparatus is presented which combines nanoelectrospray ionization for isolation of large molecular ions from solution, mass-to-charge ratio selection in gas-phase, low-energy-ion-beam deposition into a (co-condensed) inert gas matrix and UV laser-induced visible-region photoluminescence (PL) of the matrix isolated ions. Performance is tested by depositing three different types of lanthanoid diketonate cations including also a dissociation product species not directly accessible by chemical synthesis. For these strongly photoluminescent ions, accumulation of some femto- to picomoles in a neon matrix (over a time scale of tens of minutes to several hours) is sufficient to obtain well-resolved dispersed emission spectra. We have ruled out contributions to these spectra due to charge neutralization or fragmentation during deposition by also acquiring photoluminescence spectra of the same ionic species in the gas phase.
authors.affiliation: Institute of Physical Chemistry II, Karlsruhe Institute of Technology , Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany.
authors.forename: Bastian
authors.initials: B
authors.lastname: Kern
authors.affiliation: Institute of Nanotechnology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
authors.forename: Jean-François
authors.initials: JF
authors.lastname: Greisch
authors.affiliation: Institute of Physical Chemistry II, Karlsruhe Institute of Technology , Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany.
authors.forename: Dmitry
authors.initials: D
authors.lastname: Strelnikov
authors.affiliation: Institute of Physical Chemistry II, Karlsruhe Institute of Technology , Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany.
authors.forename: Patrick
authors.initials: P
authors.lastname: Weis
authors.affiliation: Institute of Physical Chemistry II, Karlsruhe Institute of Technology , Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany.
authors.forename: Artur
authors.initials: A
authors.lastname: Böttcher
authors.affiliation: Institute of Nanotechnology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
authors.forename: Mario
authors.initials: M
authors.lastname: Ruben
authors.affiliation: Institute of Nanotechnology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
authors.forename: Bernhard
authors.initials: B
authors.lastname: Schäfer
authors.affiliation: Institute of Nanotechnology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
authors.forename: Detlef
authors.initials: D
authors.lastname: Schooss
authors.affiliation: Institute of Physical Chemistry II, Karlsruhe Institute of Technology , Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany.|Institute of Nanotechnology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
authors.forename: Manfred M
authors.initials: MM
authors.lastname: Kappes