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Kinetic equations were established and solved for the growing process of carbon clusters. The size distribution of the carbon clusters in the observed mass spectrum was simulated with different growing models. The best fitted one was the arbitrary combination model, indicating that the clustering process was a random association between any pair of the species. In the mass spectrum the depletion...
A new method, femtosecond time-resolved stimulated emission pumping fluorescence depletion (FS TR SEP FD), has been developed to study the vibrational relaxation of electronic excited states of molecules. Two relaxation rates of dye molecules in different solvents have been observed: (i) the intramolecular redistribution of energy, with a short time constant of less than 500 fs; (ii) the subsequent...
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