| Title |
A Nickel Nanowire Diluter Operating through the Principle of the Dielectrophoretic Attraction Force |
| Authors |
양진호(Yang, Jin-Ho) ; 윤현중(Yoon, Hyeun-Joong) ; 양의혁(Yang, Eui-Hyeok) ; 양상식(Yang, Sang-Sik) |
| Keywords |
Nanowire diluter ; Dielectrophoretic attraction ; Nickel nanowires ; Template-directed electrodeposition |
| Abstract |
This paper presents a microfabricated nanowire diluter which dilutes the concentration of nanowires in solution instead of by the conventional centrifuge process. The device has 16 pairs of gold electrodes in a micro channel composed of a glass substrate and PDMS. We prepared nickel nanowires by the template-directed electrodeposition method using nanoporous anodized aluminum template (AAO). We injected the Dimethylformamide (DMF) solution containing nanowires into the inlet of the diluter while applying square wave voltages on the electrodes to trap the nanowires at the subsequent gold electrodes by means of dielectrophoretic attraction forces. The concentration of nanowires at the outlet of the micro channel was changed as we expected, which illustrates that the device can effectively dilute nanowires and can be applied to a controlled assembly of nanowires. |