Photoemission from adenine crystal: Solvation of a pre-ionizing state

Marek Zielinski, Martin Pope, Ning Wang, Csaba Horvath, Nicholas Geacintov

Research output: Contribution to journalArticle

Abstract

Photoemission studies of adenine microcrystals in the presence of traces of water yield two distinct values of the ionization energy, Ic=6.2 and 7.1 eV, each of which has been observed separately in different laboratories. We ascribe these results respectively to photoemission from "wet" and "dry" sites on the crystal surface. The 0.9 eV lowering of Ic is attributed to the solvation of the pre-ionizing state. The solvation energy must be in place before the electron leaves and it is argued that the photoemission event takes about 5×10-13 s.

Original languageEnglish (US)
Pages (from-to)297-301
Number of pages5
JournalChemical Physics Letters
Volume165
Issue number4
DOIs
StatePublished - Jan 19 1990

Fingerprint

adenines
Solvation
Photoemission
Adenine
solvation
photoelectric emission
Crystals
crystals
Microcrystals
Ionization potential
microcrystals
crystal surfaces
leaves
ionization
energy
Electrons
Water
water
electrons

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

Photoemission from adenine crystal : Solvation of a pre-ionizing state. / Zielinski, Marek; Pope, Martin; Wang, Ning; Horvath, Csaba; Geacintov, Nicholas.

In: Chemical Physics Letters, Vol. 165, No. 4, 19.01.1990, p. 297-301.

Research output: Contribution to journalArticle

Zielinski, Marek ; Pope, Martin ; Wang, Ning ; Horvath, Csaba ; Geacintov, Nicholas. / Photoemission from adenine crystal : Solvation of a pre-ionizing state. In: Chemical Physics Letters. 1990 ; Vol. 165, No. 4. pp. 297-301.
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