Influence of water vapor on the spectral and kinetic characteristics of polyacene absorbates
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Stationary and kinetic spectrofluorimetry has been used to investigate the influence of water vapor on the spectral characteristics of naphthalene and anthracene molecules adsorbed on alumosilicate and silica gel. The formation of complexes involving electron transfer has been observed in the ground state as well as after photo-excitation. The contact with water vapor leads to breaking up of the complex of the bound molecules and their transformation from the chemisorbed to the physically adsorbed state. The lifetimes of the molecules in the excited state have been assessed in the case of physical adsorption as well as in the complex.
KeywordsWater Vapor Excited State Electron Transfer Naphthalene Spectral Characteristic
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