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    Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion

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    Type
    Article
    Authors
    Jeong, Hoon Eui
    Lee, Jin-Kwan
    Kwak, Moon Kyu
    Moon, Sang Heup
    Suh, Kahp Yang
    KAUST Grant Number
    KUK-F1-037-02
    Date
    2010-02-01
    Online Publication Date
    2010-02-01
    Print Publication Date
    2010-01-25
    Permanent link to this record
    http://hdl.handle.net/10754/598053
    
    Metadata
    Show full item record
    Abstract
    We present analysis of adhesion properties of angled polymer nanohairs with a wide range of leaning angles from 0° to 45° and ultraviolet (UV)-curable polyurethane acrylate (PUA) materials of two different elastic moduli (19.8 and 320 MPa). It is demonstrated that shear adhesion and adhesion hysteresis can be greatly enhanced by increasing the leaning angle of nanohairs both for soft and hard materials due to increased contact area and reduced structural stiffness. © 2010 American Institute of Physics.
    Citation
    Jeong HE, Lee J-K, Kwak MK, Moon SH, Suh KY (2010) Effect of leaning angle of gecko-inspired slanted polymer nanohairs on dry adhesion. Applied Physics Letters 96: 043704. Available: http://dx.doi.org/10.1063/1.3298554.
    Sponsors
    This work was supported by the Nano R&D Program (Grant No. 2007-02605), the Center for Nanoscale Mechatronics & Manufacturing (Grant No. 08K1401-00210), and King Abdullah University of Science and Technology (KAUST) program (Grant No. KUK-F1-037-02). This work was also supported in part by the Center for Ultramicrochemical Process Systems.
    Publisher
    AIP Publishing
    Journal
    Applied Physics Letters
    DOI
    10.1063/1.3298554
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.3298554
    Scopus Count
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