Temperature dependence of fluorescence lifetime of 2-naphthol in ice (Ih) crystal
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説明
Abstract The lifetime of the fluorescence from 2-naphthol (C 10 H 8 OH) doped in ice I h was measured from 27 to 300 K. The slow component τ s (5.3 ns at 27 K) shows a significant decrease in the temperature range 130–200 K, while the faster component (τ f ≈0.7ns) shows a slight decrease above 200 K. The relative intensity I f / I s , increases above 130 K. The results were interpreted in terms of a model involving the transfer between the two states, S 1 and S' 1 , which correspond to the excited states of 2-naphthol with and without considering the trapping of proton with L defects in ice, respectively.
収録刊行物
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- Chemical Physics Letters
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Chemical Physics Letters 230 322-328, 1994-12-01
Elsevier BV