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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus

12 Issues per year


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5-year IMPACT FACTOR: 1.144

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Online
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2196-7156
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Volume 228, Issue 4-5

Issues

A New Liquid Droplet Laser Desorption Source Combined with Supersonic Jet Expansion: Application to Phenol and its Water Clusters

Chayan Kanti Nandi
  • School of Basic Sciences, Indian Institute of Technology Mandi, Himachal Pradesh, India-175001
  • Other articles by this author:
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/ Hans-Dieter Barth
  • Institut für Physikalische und Theoretische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Str. 7, 60438 Frankfurt am Main, Germany
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/ Bernhard Brutschy
  • Corresponding author
  • Institut für Physikalische und Theoretische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Str. 7, 60438 Frankfurt am Main, Germany
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Published Online: 2014-03-14 | DOI: https://doi.org/10.1515/zpch-2013-0460

Abstract

We have developed a new laser source, for the spectroscopy of nonvolatile molecules in gas phase. It is based on a laser induced liquid bead ion desorption source (LILBID) combined with a supersonic beam. The cold molecules produced with this technique are sampled with Resonant Two Photon Ionization spectroscopy (R2PI) to measurement of the gas phase optical spectra. LILBID allows to bring nonvolatile molecule from liquid phase (out of a droplet) into gas phase, by means of multi photon ablation with IR photons exciting the vibrations of the solvent. Phenol and its different water clusters have been used as an example to demonstrate the method and to standardise the new experimental setup. The recorded R2PI spectral data of phenol monomer and its different water clusters obtained from this laser desorption technique are in very good agreement with the previously published data. This technique opens a new door for the measurement of molecules under microsolvation and potentially for zwitterion formation of thermally labile, nonvolatile molecules such as amino acids or biomolecules.

Keywords: Beam Source; Nonvolatile Molecules LILBID (Laser Induced Liquid Bead)

About the article

Accepted: 2014-02-26

Received: 2013-10-04

Published Online: 2014-03-14

Published in Print: 2014-05-28


Citation Information: Zeitschrift für Physikalische Chemie, Volume 228, Issue 4-5, Pages 449–457, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1515/zpch-2013-0460.

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