Scalable alignment and transfer of nanowires in a spinning Langmuir film

Ren Zhu, Yicong Lai, Vu Nguyen, Rusen Yang

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Many nanomaterial-based integrated nanosystems require the assembly of nanowires and nanotubes into ordered arrays. A generic alignment method should be simple and fast for the proof-of-concept study by a researcher, and low-cost and scalable for mass production in industries. Here we have developed a novel Spinning-Langmuir-Film technique to fulfill both requirements. We used surfactant-enhanced shear flow to align inorganic and organic nanowires, which could be easily transferred to other substrates and ready for device fabrication in less than 20 minutes. The aligned nanowire areal density can be controlled in a wide range from 16/mm-2 to 258/mm-2, through the compression of the film. The surface surfactant layer significantly influences the quality of alignment and has been investigated in detail.

Original languageEnglish (US)
Pages (from-to)11976-11980
Number of pages5
Issue number20
StatePublished - Oct 21 2014

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