等离子体子
再分配(选举)
材料科学
电场
光电子学
纳米颗粒
粒子(生态学)
基质(水族馆)
纳米技术
薄膜
带隙
物理
地质学
海洋学
政治
法学
量子力学
政治学
作者
Yurui Fang,Yingzhou Huang
摘要
Combining simulation and experiment, we demonstrate that a metal nanoparticle dimer on a gold film substrate can confine more energy in the particle/film gap because of the hybridization of the dimer resonant lever and the continuous state of the film. The hybridization may even make the electric field enhancement in the dimer/film gap stronger than in the gap between particles. The resonant peak can be tuned by varying the size of the particles and the film thickness. This electromagnetic field redistribution has tremendous applications in sensor, photocatalysis and solar cell, etc., especially considering ultrasensitive detection of tracing molecule on substrates.
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