Journal of Bionic Engineering

, Volume 5, Supplement 1, pp 40–45 | Cite as

The Wettability and Mechanism of Geometric Non-Smooth Structure of Dragonfly Wing Surface

  • Yan-ling Wan
  • Qian CongEmail author
  • Xiao-jun Wang
  • Zhen Yan


Scanning electron microscope and optical contact angle measuring instruments were used to investigate the microstructure and wettability of geometric non-smooth structure of dragonfly wing surface. Results show that the geometric non-smooth structure of dragonfly wing surface is one part of epicuticle, some organic solvents can effectively dissolve the main ingredient of non-smooth structure. The hydrophobicity of dragonfly wing surface is induced by the co-coupling of the non-smooth structure and the waxy layer covering.


geometric non-smooth structure wettability dragonfly wing surface bionics 


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Copyright information

© Jilin University 2008

Authors and Affiliations

  • Yan-ling Wan
    • 1
  • Qian Cong
    • 1
    Email author
  • Xiao-jun Wang
    • 1
  • Zhen Yan
    • 1
  1. 1.Key Laboratory of Terrain-Machine Bionics Engineering (Ministry of Education, China)Jilin UniversityChangchunP. R. China

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