Picosecond decay kinetics of CdS luminescence studied by a streak camera |
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Authors: | T. Kobayashi Y. Segawa S. Namba |
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Affiliation: | The Institute of Physical and Chemical Research, Wako, Saitama, Japan |
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Abstract: | Using a picosecond laser and a streak camera we have observed the time dependence of the luminescence intensity of free excitons, bound excitons, and excitonic molecules in CdS. The observed kinetics show that the P band is due to bimolecular emission from free excitons and that bound excitons are generated from free excitons through monomelecular process and excitonic molecule through bimolecular process. |
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