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磷光寿命法研究无保护流体室温磷光的重原子效应和发光动力学参数
引用本文:龙文清,李隆弟,童爱军. 磷光寿命法研究无保护流体室温磷光的重原子效应和发光动力学参数[J]. 光谱学与光谱分析, 2001, 21(4): 443-446
作者姓名:龙文清  李隆弟  童爱军
作者单位:1. 江西冈山师范学院化学系
2. 清华大学化学系,
基金项目:国家自然科学基金 (批准号 2 97750 1 3)资助课题
摘    要:以两种卤代萘为模型化合物,基于磷光寿命的定义τ=τ^-,τ0=1/kp和其与各速率常数的关系,导出了一种类似于Stern-Volmer方程的线性方程:τ0/τ=(kp_kic)/kp=1 kic/kp=1 Ksv.c。通过测定不同重原子微扰剂浓度时的磷光寿命,探讨了从两种途径计算流体室温磷光发射相关动力学参数的可行性和方法,通过这些参数对比讨论了KI和TINO3两种重原子微扰剂对这两种卤代萘无保护流体室温磷光发射的重原子效应的差异。

关 键 词:无保护流体 室温磷光 磷光寿命 发光动力学参数 卤代萘 重原子效应
修稿时间:2000-07-10

Study on the Determination of Photophysical Parameters of the Non-Protected Fluid Room Temperature Phosphorescence by Lifetime Method
W Long,L Li,A Tong. Study on the Determination of Photophysical Parameters of the Non-Protected Fluid Room Temperature Phosphorescence by Lifetime Method[J]. Spectroscopy and Spectral Analysis, 2001, 21(4): 443-446
Authors:W Long  L Li  A Tong
Affiliation:Department of Chemistry, Tsinghua University, 100084 Beijing.
Abstract:The heavy atom pertuber (HAP) can promote the intersystem crossing and the rates of radiative and nonradiative processes of triplet state,thus shortens the phosphorescence lifetime.The determination of kinetic parameters for luminescence process is very importance to understand luminescence process and the mechanisms of the heavy atom effects.In this paper,1 chloronaphthalene and 1 bromonaphthalene were selected as the modal compounds,the possibility of determination of photophysical parameters for emission of nonprotected fluid room temperature phosphorescence (NP RTP) by RTP lifetime method was studied based on the definition on the phosphorescence lifetime and relation with the concentration of HAP.The results obtained by two ways prove that the RTP lifetime method can be used to determine photophysical parameters for RTP emission.
Keywords:Non protected fluid room temperature phosphorescence   RTP lifetime   Kinetic parameters for luminescence process
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