溶胶-凝胶法制备染料掺杂无机非晶主体的选择性激发光谱

Y. Ichino, Y. Kanematsu, T. Kushida
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引用次数: 0

摘要

溶胶-凝胶法制备的染料掺杂无机玻璃在过去十年中受到了广泛的关注,特别是在固体染料激光器和高密度光存储器等光学介质中的应用。为了获得用于光学应用的主基质和客体分子的优选组合,精确了解主客体系统的电子-声子相互作用是很重要的。到目前为止,我们已经利用共振荧光技术实验确定了卟啉掺杂聚合物中由电子-声子耦合强度加权的Debye-Waller因子、位点能量分布函数和低频主振动模式的态密度。4,5在这项研究中,溶胶-凝胶无机基质SiO2和SiO2- tio2采用类似的方法,采用阳离子激光染料,高氯酸氧嗪4 (ox4)作为光学中心。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Site-Selective Excitation Spectroscopy of Dye-doped Inorganic Amorphous Hosts Prepared by Sol-Gel Method
Dye-doped inorganic glasses prepared by a sol-gel method have received much interest during the last decade, especially for the application of optical media such as solid-state dye lasers and high-density optical memories.1-3 In order to obtain a preferable combination of host matrices and guest molecules for optical applications, it is important to know precisely about the electron-phonon interaction of the host-guest system. So far, we have experimentally determined the Debye-Waller factor, the site energy distribution function, and the density of states of low-frequency host vibrational modes weighted by the electron-phonon coupling strength in porphyrindoped polymers using a resonance fluorescence technique.4,5 In this study, sol-gel inorganic matrices, SiO2 and SiO2-TiO2, are examined using a similar method by employing a cationic laser dye, oxazine 4 perchlorate(ox4), as the optical center.
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