Fabrication of gold nano-particle based sensors using microspotting and DEP technologies
文献类型：会议论文
| 作者 | Siu Ling Leung; Li ML(李明林); Fong Ting Lau; Li WJ(李文荣)
|
| 出版日期 | 2008 |
| 会议名称 | Annual Conference of the SICE |
| 会议日期 | August 20-22, 2008 |
| 会议地点 | Chofu, JAPAN |
| 关键词 | AC electrokinetics Dielectrophoresis Force Gold Collodial Particles Micro-spotting |
| 页码 | 3031-3036 |
| 中文摘要 | We have shown that Au nanoparticles (Au NPs) pearl chain could be formed consistently between microelectrodes by combining microspotting and DEP technologies. Experimental results on varying the Au particle size and dielectrophoretic (DEP) parameters, including voltage and frequency, are reported in this paper to explore the critical parameters in controlling the Pearl Chain Formation (PCF) process between microelectrodes. PCF was observed from 10 kHz to 5 MHz for 100 nm Au NPs, and 100 kHz to 10 MHz for 10 nm Au NPs. Variations in formation rate were detected when the applied voltage and particle size varied. With higher voltage, pearl chain began to form at higher rate and the formation time decreased. The optimum frequency of the Au NPs PCF shifted to higher frequency region when the particle size decreased. Theoretical analysis was carried out by applying the theories of DEP force and AC electrokinetics to explain the observations with the DEP frequency ranging from 10 Hz to 10 MHz. Finally, Au nanoparticle chains formed between the microelectrodes were shown to vary in resistance when environmental temperature was changed, indicating that these Au particle sensors could potentially be used to sense temperature and other thermal-based physical phenomena. |
| 收录类别 | EI ; CPCI（ISTP） |
| 产权排序 | 2 |
| 会议录 | 2008 PROCEEDINGS OF SICE ANNUAL CONFERENCE, VOLS 1-7
 |
| 会议录出版者 | IEEE |
| 会议录出版地 | NEW YORK |
| 语种 | 英语 |
| ISBN号 | 978-4-907764-30-2 |
| WOS记录号 | WOS:000263966702096 |
| 源URL | [http://ir.sia.cn/handle/173321/8705]  |
| 专题 | 沈阳自动化研究所_机器人学研究室 |
| 推荐引用方式 GB/T 7714 | Siu Ling Leung,Li ML,Fong Ting Lau,et al. Fabrication of gold nano-particle based sensors using microspotting and DEP technologies[C]. 见:Annual Conference of the SICE. Chofu, JAPAN. August 20-22, 2008. |
入库方式： OAI收割
来源：沈阳自动化研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。