Nanotube surface arrays: Weaving, bending, and assembling on patterned silicon
Nanotube surface arrays: Weaving, bending, and assembling on patterned silicon
复制标题
DOI：
10.1103/physrevlett.92.065502
复制
发表时间：
2004-02-13
影响因子：
8.6
通讯作者：
Peleshanko, S
中科院分区：
文献类型：
--
作者：
Tsukruk, VV;Ko, H;Peleshanko, S
我们报道了在图案化的硅表面上以微米尺度的间距在毫米尺寸的表面区域上延伸的定向和弯曲的碳纳米管的有序阵列的制造。我们认为，图案化是由流体前沿的流体动力学行为和取向和弯曲机制的液体-固体-蒸汽接触线捕获的钉扎碳纳米管促进控制。被钉扎的纳米管的弯曲沿着干燥微滴的收缩后退前沿发生。分层微流体层的形成对于刺激接触线的周期性不稳定性是至关重要的。
We report the fabrication of ordered arrays of oriented and bent carbon nanotube on a patterned silicon surface with a micron scale spacing extending over millimeter size surface areas. We suggest that the patterning is controlled by the hydrodynamic behavior of a fluid front and orientation and bending mechanisms are facilitated by the pinned carbon nanotubes trapped by the liquid-solid-vapor contact line. The bending of the pinned nanotubes occurs along the shrinking receding front of the drying microdroplets. The formation of stratified microfluidic layers is vital for stimulating periodic instabilities of the contact line.