A selective dielectrophoretic particle separator using flat electrodes covered with vertically aligned carbon nanotubes
A selective dielectrophoretic particle separator using flat electrodes covered with vertically aligned carbon nanotubes
复制标题
使用覆盖有垂直排列的碳纳米管的扁平电极的选择性介电泳颗粒分离器
DOI:
10.1016/j.ces.2016.01.036
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发表时间:
2016
影响因子:
4.7
通讯作者:
Hajime
中科院分区:
文献类型:
--
作者:
Sano;Noriaki; Tanemori;Yuta; Tamon;Hajime
In this short communication, a dielectrophoretic (DEP) particle separator is proposed that is capable of selectively capturing extremely small particles, using flat electrodes onto which carbon nanotubes (CNTs) have been synthesized. CNTs can induce a strong DEP force at their surface, which allows extremely small particles, whose diameters are comparable to those of the CNTs, to be preferably captured by these electrodes. This study experimentally demonstrates that TiO2particles with diameters of approximately 10–20 nm are selectively captured from a mixture with SiO2particles with similar diameters by the separator using CNTs grown on the flat electrodes. For comparison, a conventional separator using CNT-grown mesh-stacked electrodes can not exhibit such selective capture from the same TiO2–SiO2mixture.
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