Ian Lapsley Michael, Shahravan Anaram, Hao Qingzhen, Krishna Juluri Bala, Giardinelli Stephen, Lu Mengqian, Zhao Yanhui, Chiang I-Kao, Matsoukas Themis, Jun Huang Tony
Appl Phys Lett. 2012 Mar 5;100(10):101903-1019033. doi: 10.1063/1.3673327.
A method for generating charge-induced plasmonic shifts, using argon plasma to charge nanoparticle arrays, is presented. Particles develop a negative charge, due to enhanced collisions with high-temperature electrons, in low-temperature plasmas. The negative charge generated causes a blue shift in the localized surface plasmon resonance. The dynamics of the shift were recorded and discussed. This effect could be used as a real-time method for studying the dynamics for charging in plasma.
本文提出了一种利用氩等离子体使纳米颗粒阵列带电来产生电荷诱导等离子体位移的方法。在低温等离子体中,由于与高温电子的碰撞增强,颗粒会带上负电荷。所产生的负电荷会导致局域表面等离子体共振发生蓝移。记录并讨论了位移的动力学过程。这种效应可作为研究等离子体中充电动力学的实时方法。