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紫外光照射具有特殊结构的长链式乙醇-水团簇分子时,处于激发态和基态的分子形成了分子间激基缔合物,并发射荧光.根据实验结果分析和能量转移理论可知,激发态单分子和激基缔合物间形成了电子迁移洛合物并发生了能量转移.根据Mulliken理论对电子迁移洛合物进行量子力学处理,得出了团簇分子在基态和激发态能量ENb和EbE以及由于电子迁移而引起的静电相互作用能Es;根据一维谐振子模型对形成激基缔合物时位能曲线中出现的能量低谷进行简化,得出激基缔合物发射荧光光子的能量值,进而计算对应的发射光波长,从而对宽展而无精细结构特点的荧光谱发射机理进行了定量解释.
When ultraviolet light irradiates long-chain ethanol-water cluster molecules with special structure, molecules in the excited state and the ground state form an intermolecular excimer and emit fluorescence.According to the experimental results and energy transfer theory, State transition between single molecule and exciplex forms electron transferor and its energy transfer.According to the theory of Mulliken, And EbE as well as the electrostatic interaction energy Es due to electron migration; simplifying the low energy level appearing in the energy potential curve of the formation of excimer when the one-dimensional harmonic oscillator model is used, which shows that excimer emits fluorescent photons And then calculate the wavelength of the corresponding emitted light, so as to quantitatively explain the emission mechanism of the fluorescence spectrum which is characterized by wide spread without fine structure.