Fluorescence and Phosphorescence Properties of Naphthalene in Aqueous D-Glucose Solutions Containing 6-Deoxy-6-iodo-β-cyclodextrin at Room Temperature
作者： Sanyo Hamai
DOI: 10.1246/BCSJ.71.1549
关键词: Quantum yield 、 Cyclodextrin 、 Chemistry 、 Fluorescence 、 Aqueous solution 、 Naphthalene 、 Inorganic chemistry 、 Phosphorescence 、 D-Glucose 、 General chemistry
摘要: In aqueous solutions, 6-deoxy-6-iodo-β-cyclodextrin (β-CDI) forms a 1 : inclusion complex with naphthalene. The naphthalene fluorescence is quenched upon the formation of β-CDI. room-temperature phosphorescence has been observed from solutions containing both D-glucose and Although also (5.0 g/5.0 mL) β-cyclodextrin (1.0 × 10−2 mol dm−3), its intensity amounts to at most 9% that β-CDI 10−3mol dm−3). addition high viscosities external heavy atom effects cause appearance phosphorescence. quantum yield in solution 10−3 dm−3) estimated be 2.2 10−3, which around 1.8% in...
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