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Review of Scientific Instruments / Volume 81 / Issue 11 / ARTICLES / Optics; Atoms and Molecules; Spectroscopy; Photon Detectors

Rev. Sci. Instrum. 81, 113107 (2010); http://dx.doi.org/10.1063/1.3499240 (6 pages)

Time-resolved photoelectron spectroscopy of liquids

Franziska Buchner, Andrea Lübcke, Nadja Heine, and Thomas Schultz

Max-Born-Institut für nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Strasse 2A, 12489 Berlin, Germany

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(Received 6 August 2010; accepted 14 September 2010; published online 22 November 2010)

We present a novel setup for the investigation of ultrafast dynamic processes in a liquid jet using time-resolved photoelectron spectroscopy. A magnetic-bottle type spectrometer with a high collection efficiency allows the very sensitive detection of photoelectrons emitted from a 10 μm thick liquid jet. This translates into good signal/noise ratio and rapid data acquisition making femtosecond time-resolved experiments feasible. We describe the experimental setup, a detailed spectrometer characterization based on the spectroscopy of nitric oxide in the gas phase, and results from femtosecond time-resolved experiments on sodium iodide solutions. The latter experiments reveal the formation and evolution of the solvated electron and we characterize two distinct spectral components corresponding to initially thermalized and unthermalized solvated electrons. The absence of dark states in photoionization, the direct measurement of electron binding energies, and the ability to resolve dynamic processes on the femtosecond time scale make time-resolved photoelectron spectroscopy from the liquid jet a very promising method for the characterization of photochemical processes in liquids.

© 2010 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENT
  3. SPECTROMETER CHARACTERIZATION
  4. TIME-RESOLVED PHOTOELECTRON SPECTROSCOPY
  5. SUMMARY AND CONCLUSIONS

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KEYWORDS and PACS

Keywords

data acquisition, magnetic traps, photoelectron spectroscopy, photoionisation, spectrometers, time resolved spectroscopy

PACS

  • 78.47.D-

    Time resolved spectroscopy (>1 psec)

  • 79.60.-i

    Photoemission and photoelectron spectra

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3499240

PUBLICATION DATA

ISSN

0034-6748 (print)  
1089-7623 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    M. Faubel, B. Steiner, and J. P. Toennies, J. Chem. Phys. 106, 9013 (1997)JCPSA6000106000022009013000001.

    Y. Itikawa and N. Mason, J. Phys. Chem. Ref. Data 34, 1 (2005)JPCRBU000034000001000001000001.

    G. K. Jarvis, M. Evans, C. Y. Ng, and K. Mitsuke, J. Chem. Phys. 111, 3058 (1999)JCPSA6000111000007003058000001.

    J. A. Kloepfer, V. H. Vilchiz, V. A. Lenchenkov, A. C. Germaine, and S. E. Bradforth, J. Chem. Phys. 113, 6288 (2000)JCPSA6000113000015006288000001.


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