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Gas-phase basicity: Parameter determining the efficiency of laser desorption/ionization from silicon surfaces A.A Grechnikov, A.S. Borodkov, .S.S Alimpiev, S.M Nikiforov and Ya O. Simanovsky

By: Contributor(s): Material type: TextTextSeries: Journal of Analytical Chemistry ; Volume 68, number 1,Moscow Pleiades Publishing 2013Content type:
  • text
Media type:
  • unmediated
Carrier type:
  • volume
Subject(s): Online resources: Summary: The efficiency of laser desorption/ionization of twenty compounds from the surface of amorphous silicon is studied as a function of proton affinity (PA) and gas-phase basicity (GB). The values of GB and PA are obtained from quantum-chemical calculations using the density functional theory in the B3LYP model with the 6–311++G(3df,3pd) basis set. The values of GB lie in the range from 845 to 977 kJ/mol. The efficiency of laser desorption/ionization exponentially depends on the GB and PA values and for the studied compounds varies from 7 × 10−6 to 1.4 × 10−2.
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Item type Current library Call number Vol info Copy number Status Notes Date due Barcode
Journal Article Journal Article Main Library - Special Collections QD71.25 JOU (Browse shelf(Opens below)) Vol.68, No.1, pages 19-26 SP20793 Not for loan For in-house use only

The efficiency of laser desorption/ionization of twenty compounds from the surface of amorphous silicon is studied as a function of proton affinity (PA) and gas-phase basicity (GB). The values of GB and PA are obtained from quantum-chemical calculations using the density functional theory in the B3LYP model with the 6–311++G(3df,3pd) basis set. The values of GB lie in the range from 845 to 977 kJ/mol. The efficiency of laser desorption/ionization exponentially depends on the GB and PA values and for the studied compounds varies from 7 × 10−6 to 1.4 × 10−2.

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