Crossref journal-article
AIP Publishing
Review of Scientific Instruments (317)
Abstract

A magnetic-bottle time-of-flight (TOF) photoelectron spectrometer, coupled with an electrospray ionization source, has been developed for the investigation of multiply charged anions in the gas phase. Anions formed in the electrospray source are guided by a radio-frequency quadrupole ion guide into a quadrupole ion trap, where the ions are accumulated. A unique feature of this apparatus involves the coupling of a TOF mass spectrometer to the ion trap with perpendicular ion extraction. The ion trap significantly improves the duty cycle of the experiments and allows photodetachment experiments to be performed with low repetition-rate lasers (10–20 Hz). This novel combination makes the photodetachment photoelectron spectroscopy studies of multiply charged anions possible for the first time. Furthermore, the perpendicular extraction of ions, pulsed out of the ion trap, to the TOF mass spectrometer allows the ion energies to be conveniently referenced to ground, simplifying the configuration of the TOF mass spectrometer and the subsequent magnetic-bottle TOF photoelectron spectrometer. The mass resolution (M/ΔM) achieved is about 800 for smaller ions. The magnetic-bottle photoelectron spectrometer resolution is about 11 meV full width at half maximum for 0.5 eV photoelectrons with an overall resolution of ΔE/E∼2%. The detailed design, construction, and operation of the new apparatus are presented.

Bibliography

Wang, L.-S., Ding, C.-F., Wang, X.-B., & Barlow, S. E. (1999). Photodetachment photoelectron spectroscopy of multiply charged anions using electrospray ionization. Review of Scientific Instruments, 70(4), 1957–1966.

Authors 4
  1. Lai-Sheng Wang (first)
  2. Chuan-Fan Ding (additional)
  3. Xue-Bin Wang (additional)
  4. S. E. Barlow (additional)
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Dates
Type When
Created 23 years, 1 month ago (July 26, 2002, 8:04 a.m.)
Deposited 1 year, 6 months ago (Feb. 6, 2024, 7:51 a.m.)
Indexed 3 months, 1 week ago (May 23, 2025, 7:06 a.m.)
Issued 26 years, 5 months ago (April 1, 1999)
Published 26 years, 5 months ago (April 1, 1999)
Published Print 26 years, 5 months ago (April 1, 1999)
Funders 0

None

@article{Wang_1999, title={Photodetachment photoelectron spectroscopy of multiply charged anions using electrospray ionization}, volume={70}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1149694}, DOI={10.1063/1.1149694}, number={4}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Wang, Lai-Sheng and Ding, Chuan-Fan and Wang, Xue-Bin and Barlow, S. E.}, year={1999}, month=apr, pages={1957–1966} }