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

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Veröffentlicht/Copyright: 14. März 2014

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.

Received: 2013-10-4
Accepted: 2014-2-26
Published Online: 2014-3-14
Published in Print: 2014-5-28

©2014 Walter de Gruyter Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Preface
  3. Clusters: From the Gas Phase to Materials
  4. The Role of Clustering in the Liquid-Vapor Transition of Mercury
  5. Far-IR Spectra of Small Neutral Gold Clusters in the Gas Phase
  6. Infrared Photodissociation Spectroscopy of C2n+1N Anions with n = 1 – 5
  7. Probing Phase Transitions with Supersonic Beams – A Joint Experimental and Theoretical Study
  8. 2s-Excitation and Photoionization of Neon Clusters
  9. A More Accurate Molar Mass of Silicon via High Resolution MC-ICP-Mass Spectrometry
  10. Double Cation Formation from the Photo-Fragmentation of the closo-Carboranes
  11. The Anomalous Fragmentation of Water Clusters at Ultrafast Impacts: An experimental and Theoretical Study
  12. A New Liquid Droplet Laser Desorption Source Combined with Supersonic Jet Expansion: Application to Phenol and its Water Clusters
  13. Wavelength Dependence of Water Microdroplet Shattering with Dual IR Lasers and Dye Sensitization
  14. The Impact of Non-Electrolyte Impurities on the Nucleation Rate of Ice Ih
  15. Crystallization Behavior of Carbamazepine
  16. The Electronic Interaction of Pt-Clusters with ITO and HOPG Surfaces upon Water Adsorption
  17. The Oxidation of Rhenium and Identification of Rhenium Oxides During Catalytic Partial Oxidation of Ethylene: An In-Situ XPS Study
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Heruntergeladen am 10.5.2026 von https://www.degruyterbrill.com/document/doi/10.1515/zpch-2013-0460/html?lang=de
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