TY - JOUR
T1 - Pair-states in α-perylene crystal. A theoretical study
AU - Cohen, M. D.
AU - Haberkorn, R.
AU - Huler, E.
AU - Ludmer, Z.
AU - Michel-Beyerle, M. E.
AU - Rabinovich, D.
AU - Sharon, R.
AU - Warshel, A.
AU - Yakhot, V.
PY - 1978/1/15
Y1 - 1978/1/15
N2 - The low- and high-temperature emissions from α-perylene are interpreted as originating in, respectively, loosely- and tightly-bound pair complexes. The change-over from one to the other results from thermal expansion and deformation of the lattice and the resulting change in contact distances between the complexing pair and the surrounding molecules. With this model the binding energies, Stokes shifts, lifetimes, and emissive bandwidths associated with the complexes are estimated, as is the activation energy for excimer-exciton migration; the values agree well with the available experimental data.
AB - The low- and high-temperature emissions from α-perylene are interpreted as originating in, respectively, loosely- and tightly-bound pair complexes. The change-over from one to the other results from thermal expansion and deformation of the lattice and the resulting change in contact distances between the complexing pair and the surrounding molecules. With this model the binding energies, Stokes shifts, lifetimes, and emissive bandwidths associated with the complexes are estimated, as is the activation energy for excimer-exciton migration; the values agree well with the available experimental data.
UR - http://www.scopus.com/inward/record.url?scp=0010759442&partnerID=8YFLogxK
U2 - 10.1016/0301-0104(78)88005-7
DO - 10.1016/0301-0104(78)88005-7
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AN - SCOPUS:0010759442
SN - 0301-0104
VL - 27
SP - 211
EP - 216
JO - Chemical Physics
JF - Chemical Physics
IS - 2
ER -