Nanofibrous adhesion: the twin of gecko adhesion

Guangming Gong, Chen Zhou, Juntao Wu, Xu Jin, Lei Jiang

Research output: Contribution to journalArticleResearchpeer-review

41 Citations (Scopus)

Abstract

Inspired by dusty spider dragline silk, we studied the adhesive interaction between artificial nanofibers and their aerosol surroundings. The nanofibers are found to be able to actively capture particulate matters from the environment, exactly as the spider dragline silk does. Examinations prove that such nanofibrous adhesion is insensitive to the chemical nature of the fibers and the physical states of the particulate matter and depends only on the fiber diameters. Such facts indicate that nanofibrous adhesion is a case of dry adhesion, mainly governed by van der Waals force, sharing the same mechanism to gecko adhesion. Nanofibrous adhesion is of great importance and has promising potential. For instance, in this work, nanofibers are fabricated into a thin and translucent filter, which has a filtration performance, as high as 95%, that easily outperformed ordinary ones. We believe that this adhesive property of nanofibers will open up broader applications in both scientific and industrial fields.

Original languageEnglish
Pages (from-to)3721-3727
Number of pages7
JournalACS Nano
Volume9
Issue number4
DOIs
Publication statusPublished - 28 Apr 2015
Externally publishedYes

Keywords

  • Adhesion
  • Polymeric nanofibers
  • Fine particulate matters
  • Dry adhesion

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