金纳米粒子附近等离子体激元增强的上转换发光——相互作用的模拟与分析
光学
2012-01-18 v3
摘要
我们研究金纳米粒子中的等离子体激元共振,以增强上转换材料的量子产率。为此,我们采用一个速率方程模型来描述基于三价铒的上转换材料的光学上转换过程。上转换材料所受光场的变化以及其在金纳米粒子附近跃迁概率的变化,分别利用 Mie 理论和精确电动力学理论进行计算。利用这些数据,通过速率方程模型确定对上转换材料发光的影响。结果表明,由于光场变化以及跃迁速率的修正,在球形金纳米粒子附近,上转换发光可以得到增强。
引用
@article{arxiv.1110.6072,
title = {Plasmon enhanced upconversion luminescence near gold nanoparticles - Simulation and analysis of the interactions},
author = {Stefan Fischer and Florian Hallermann and Toni Eichelkraut and Gero von Plessen and Karl W. Krämer and Daniel Biner and Heiko Steinkemper and Martin Hermle and Jan C. Goldschmidt},
journal= {arXiv preprint arXiv:1110.6072},
year = {2012}
}
备注
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-20-1-271. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law