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SUMMARY:Excited state dynamics of ruthenium bipyridyl complexes in solutio
 n and on nanocrystalline semiconductor surfaces
DTSTART:20090320T110000
DTSTAMP:20260427T223632Z
UID:f4b88b26160e36cced6b9e2a2e44a18595267eac61e3bc0256ebc904
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Jouko Korppi-Tommola\nAfter light excitation ruthenium b
 ipyridyl complexes in solution or attached to semiconductor surface may ad
 opt varying relaxation channels.\nSinglet excitation may lead to intersyst
 em crossing\, conformational changes\, electron injection or dissociation.
  Typical feature of the complexes is fast intersystem crossing that provid
 es a competing relaxation channel to singlet reactions\, injection or diss
 ociation. Spin forbidden absorption and breaking of ligand symmetry may oc
 cur.\nDissociation was found to be followed by slower processes\, conforma
 tional change\, solvent attachment and cooling. Several ultrafast techniqu
 es were used to explore these phenomena\, in UV\, vis and mid-IR regions.
LOCATION:BSP 407
STATUS:CONFIRMED
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