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陕西师范大学 物理学与信息技术学院
收稿:2008-08-25,
修回:1900-1-2,
网络首发:2009-06-30,
纸质出版:2009-06-30
移动端阅览
徐良敏, 张正龙, 蔡晓燕, 等. 金属表面荧光增强的物理增强机制[J]. 发光学报, 2009,30(3):373-378.
XU Liang-min, ZHANG Zheng-long, CAI Xiao-yan, et al. Physical Mechanisms of Fluorescence Enhancement at Metal Surface[J]. Chinese Journal of Luminescence, 2009, 30(3): 373-378.
具有特殊形貌及构型的表面(如金属薄膜)能够使位于其邻近的荧光分子的荧光信号得到增强
这种现象被称之为表面增强荧光(Surface Enhanced Fluorescence
SEF)。有关表面增强荧光效应的研究探讨已有许多报道
并先后提出了多种增强机理以试图理解和解释观测到的实验现象。本文将在总结归纳已有机理研究的基础上
从物理学的角度出发分析理解局域场增强、能量转移以及辐射衰减速率增加等理论模型
并对衬底表面与荧光分子之间的间距变化对增强效果的影响进行探讨。
paper
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