金属介质环境对HITC激光染料自发发射和浓度猝灭的影响

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-01 DOI:10.1117/12.2594768

S. Rout, S. Koutsares, S. Prayakarao, D. Courtwright, V. Peters, Zhen Qi, L. S. Petrosyan, T. Shahbazyan, M. Biener, C. Bonner, M. Noginov

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引用次数: 0

摘要

研究了平面、片层和无序纳米结构金属介质环境对HITC激光染料自发发射和能量转移浓度猝灭的影响。我们发现金属附近的浓度淬火抑制作用，在纳米结构的衬底中比在平面几何结构中更强。结果表明，同样的底物在促进自发发光的同时，也抑制了浓度猝灭。讨论了损耗对福斯特半径的影响。LLNL的工作由LLNL根据DE-AC52-07NA27344合同在美国能源部的支持下进行

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Effect of metal-dielectric environments on spontaneous emission and concentration quenching of HITC laser dye

We have studied the effects of planar, lamellar, and random nanostructured metal-dielectric environments on spontaneous emission and energy transfer concentration quenching of HITC laser dye. We found an inhibition of the concentration quenching in vicinity of metal, which was stronger in nanostructured substrates than in plain geometries. It was shown that the same substrates, which boosted spontaneous emission, also inhibited the concentration quenching. The effect is discussed in terms of the Forster radius affected by losses. Work at LLNL was performed under the auspices of the U.S. Department of Energy by LLNL under Contract DE-AC52-07NA27344

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Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX

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