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The intersystem crossing process of -bromofluorobenzene studied with time-resolved photoelectron imaging
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10.1063/1.3097184
/content/aip/journal/jcp/130/14/10.1063/1.3097184
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/14/10.1063/1.3097184
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TOF mass spectra recorded at zero delay time.

Image of FIG. 2.
FIG. 2.

A series of time-resolved photoelectron images (inverse-Abel transform on the right and raw image on the left) of -bromofluorobenzene observed using a pump laser wavelength of 267 nm and a probe wavelength of 402 nm. The linear polarizations of the pump and probe lasers are aligned vertical in the plane of the figure.

Image of FIG. 3.
FIG. 3.

PKE distributions extracted from the image at a delay time of 0.3 ps. The arrow indicates the photoelectron energy (1.78 eV) expected for ionization to the zero vibrational level of the cation indicated by .

Image of FIG. 4.
FIG. 4.

Time dependence of photoelectron signals in the femtosecond REMPI of -bromofluorobenzene. The pump and probe wavelengths are 267 and 402 nm. The best fit yields the time constants for the first, second, third, and fourth rings, which are , , , and , respectively.

Image of FIG. 5.
FIG. 5.

Anisotropy parameters of the four rings as a function of pump-probe time delay in the PEI.

Image of FIG. 6.
FIG. 6.

Simplified energy diagram of one-dimensional potential energy curves along the C–Br bond for -bromofluorobenzene. The detailed diagrams and calculations are referred to the work by Borg et al. (Ref. 18).

Image of FIG. 7.
FIG. 7.

Schematic electronic energy level diagram. The 7a mode of the state is ionized and generates the third and fourth rings; the first and second rings originate from the state. There are accidental resonances with Rydberg states at the photon energy. One of the decay channels of the state is ISC, another is predissociation.

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/content/aip/journal/jcp/130/14/10.1063/1.3097184
2009-04-10
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The intersystem crossing process of p-bromofluorobenzene studied with time-resolved photoelectron imaging
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/14/10.1063/1.3097184
10.1063/1.3097184
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