Time-resolved photoelectron imaging of large anionic methanol clusters: (Methanol) n- (n∼145-535)

Aster Kammrath, Graham B. Griffin, Jan R R Verlet, Ryan M. Young, Daniel M. Neumark*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


The dynamics of an excess electron in size-selected methanol clusters is studied via pump-probe spectroscopy with resolution of ∼120 fs. Following excitation, the excess electron undergoes internal conversion back to the ground state with lifetimes of 260-175 fs in (C H3 OH) n- (n=145-535) and 280-230 fs in (C D3 OD) n- (n=210-390), decreasing with increasing cluster size. The clusters then undergo vibrational relaxation on the ground state on a time scale of 760±250 fs. The excited state lifetimes for (C H3 OH) n- clusters extrapolate to a value of 157±25 fs in the limit of infinite cluster size.

Original languageEnglish (US)
Article number244306
JournalJournal of Chemical Physics
Issue number24
StatePublished - 2007

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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