State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China.
Nanoscale Res Lett. 2011 Jul 27;6(1):473. doi: 10.1186/1556-276X-6-473.
Nanoscaled materials are attractive building blocks for hierarchical assembly of functional nanodevices, which exhibit diverse performances and simultaneous functions. We innovatively fabricated semiconductor nano-probes of tapered ZnS nanowires through melting and solidifying by electro-thermal process; and then, as-prepared nano-probes can manipulate nanomaterials including semiconductor/metal nanowires and nanoparticles through sufficiently electrostatic force to the desired location without structurally and functionally damage. With some advantages of high precision and large domain, we can move and position and interconnect individual nanowires for contracting nanodevices. Interestingly, by the manipulating technique, the nanodevice made of three vertically interconnecting nanowires, i.e., diode, was realized and showed an excellent electrical property. This technique may be useful to fabricate electronic devices based on the nanowires' moving, positioning, and interconnecting and may overcome fundamental limitations of conventional mechanical fabrication.
纳米材料是用于功能纳米器件的分级组装的有吸引力的构建块，这些纳米器件具有多种性能和同时的功能。我们通过电热过程的熔融和凝固创新性地制造了锥形 ZnS 纳米线的半导体纳米探针；然后，通过足够的静电力将制备好的纳米探针移动到所需的位置，而不会对结构和功能造成损伤，从而可以操纵包括半导体/金属纳米线和纳米颗粒等纳米材料。由于具有高精度和大区域的优势，我们可以移动、定位和互连单个纳米线以构建纳米器件。有趣的是，通过操纵技术，实现了由三根垂直互连纳米线组成的纳米器件，即二极管，并表现出优异的电性能。该技术可能有助于制造基于纳米线移动、定位和互连的电子器件，并可能克服传统机械制造的基本限制。
