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首页> 外文期刊>Radiochimica Acta: International Journal for Chemical Aspects of Nuclear Science and Technology >Experimental evidence for the influence of the excitation wavelength on the value of the equilibrium constant as determined by Time-Resolved Emission Spectroscopy (TRES)
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Experimental evidence for the influence of the excitation wavelength on the value of the equilibrium constant as determined by Time-Resolved Emission Spectroscopy (TRES)

机译:通过时间分辨发射光谱法(TRES)确定的激发波长对平衡常数值影响的实验证据

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摘要

In the case of a rapid photochemical process, a new theoretical result relating time-resolved emission spectroscopy data to three physical parameters of the chemical system has been recently proposed. This previous work, based on a simulation study, is experimentally evidenced in the present paper, using europium/acetate as a model system. The comparison of the emission spectra obtained upon direct excitation of europium (394 nm) and by use of the "antenna effect" (266 nm) evidences the occurring of a back-dissociation of excited europium complexes to form solvated excited free europium ions.
机译:在快速光化学过程的情况下,最近提出了将时间分辨发射光谱数据与化学系统的三个物理参数相关联的新理论结果。本文基于模拟研究,通过使用euro /乙酸as作为模型系统,通过实验证明了先前的工作。通过直接激发of(394 nm)和使用“天线效应”(266 nm)获得的发射光谱的比较证明,激发excited络合物发生反向离解,形成了溶剂化的激发游离free离子。

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