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Søren Vrønning Hoffmann

Vacuum ultraviolet photoabsorption spectroscopy of crystalline and amorphous benzene

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  • Anita Dawes, Open Univ, Sch Phys Sci
  • ,
  • Natalia Pascual, La Trobe Univ, La Trobe Inst Mol Sci, Dept Chem & Phys
  • ,
  • Soren V. Hoffmann
  • Nykola C. Jones
  • Nigel J. Mason, Open Univ, Sch Phys Sci

We present the first high resolution vacuum ultraviolet photoabsorption study of amorphous benzene with com parisons to annealed crystalline benzene and the gas phase. Vapour deposited benzene layers w ere grow n at 25 K and annealed to 90 K under conditions pertinent to interstellaricy dust grains and icy planetary bodies in our solar system. Three single t-single t electronic transitions in solid benzene correspond to the B-1(2u), B-1(1u) and E-1(1u) states, redshifted by 0.05, 0.25 and 0.51 eV respectively with respect to the gas phase. The symmetry forbidden B-1(2u)

OriginalsprogEngelsk
TidsskriftPhysical Chemistry Chemical Physics
Vol/bind19
Nummer40
Sider (fra-til)27544-27555
Antal sider12
ISSN1463-9076
DOI
StatusUdgivet - 28 okt. 2017

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