薁的金属增强S(2)荧光。
Metal-Enhanced S(2) Fluorescence from Azulene.
作者信息
Zhang Yongxia, Aslan Kadir, Previte Michael J R, Geddes Chris D
机构信息
Institute of Fluorescence, Laboratory for Advanced Medical Plasmonics, Medical Biotechnology Center, University of Maryland Biotechnology Institute, 725 West Lombard St, Baltimore, MD, 21201, USA.
出版信息
Chem Phys Lett. 2006 Dec 11;432(4-6):528-532. doi: 10.1016/j.cplett.2006.11.005.
Abstract
In this paper, we report the first observation of metal-enhanced S(2) emission at room and low temperature (77K). The S(2) emission intensity of Azulene is enhanced by close proximity to Silver island films (SiFs). In this regard, a ≈ 2-fold higher S(2) fluorescence intensity of Azulene was observed from SiFs as compared to a glass control sample. This suggests that S(2) excited states can couple to surface plasmons and enhance S(2) fluorescence yields, a helpful observation in our understanding the interactions between plasmons and lumophores, and our continued efforts to develop a unified plasmon-lumophore/fluorophore theory.
摘要
在本文中，我们报告了首次在室温及低温（77K）下观测到金属增强的S(2)发射。通过与银岛膜（SiFs）紧密相邻，薁的S(2)发射强度得以增强。在这方面，与玻璃对照样品相比，从银岛膜中观测到薁的S(2)荧光强度高出约2倍。这表明S(2)激发态可与表面等离子体耦合并提高S(2)荧光产率，这一观测结果有助于我们理解等离子体与发光体之间的相互作用，以及我们为发展统一的等离子体-发光体/荧光团理论所做的持续努力。
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本文引用的文献
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