Rapid assembly of gold nanoparticle-based microstructures using optically-induced electrokinetics
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| 第一作者： |
Liang WF(梁文峰);Liu LQ(刘连庆);Lai, Sam Hok-Sum;Wang YC(王越超);Lee, Gwo-Bin;Li WJ(李文荣) |
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| 发表年度： |
2014 |
| 期： |
11 |
| 卷： |
4 |
| 页： |
2368-2380 |
| 摘要： |
This paper presents a rapid approach for assembling gold nanoparticles (AuNPs)-based microstructures using optically-induced electrokinetics. Results showed that number of AuNPs in the assembled microstructures could be controlled by adjusting the input optically-induced electrokinetics parameters. The formation conditions were experimentally investigated by varying several key electrokinetics parameters, and the results were compared to a numerical simulation of the electrokinetic forces. The experimental results were also analyzed by counting the number of deposited AuNPs in a microstructure using an image processing algorithm. We will show that the optimal parameters for this optoelectronic AuNPs assembly method are electric field frequency range from 9 to 11 kHz with a voltage range of 18-20 Vpp, and an optical exposure time of ∼120 s. |
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| 刊物名称： |
Optical Materials Express |
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