Dual-scaled stable superhydrophobic nano-flower surfaces

Longquan Chen, Zhiyong Xiao, Philip Ching Ho Chan, Yi Kuen Lee

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

3 Citations (Scopus)

Abstract

Novel dual-scaled superhydrophobic nano-flower surfaces were fabricated by 1-mask photolithography, DRIE and Carbon nanotube (CNT) Microwave Plasma Enhanced CVD (MPCVD). Patterned structure was characterized by SEM, TEM and AFM techniques. With the additional petal-like CNT structure, the apparent contact angle (ACA) increased dramatically compared with silicon (∼140%) and parylene-coated (∼78%) micropillar surfaces and resulted in a small sliding angle (around 5°). The sliding angle and dynamic testing indicate that these nano-flower surfaces are stable superhydrophobic surfaces.
Original languageEnglish
Title of host publicationTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems
Pages441-444
Number of pages4
DOIs
Publication statusPublished - 11 Dec 2009
Externally publishedYes
EventTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems - Denver, CO, United States
Duration: 21 Jun 200925 Jun 2009

Conference

ConferenceTRANSDUCERS 2009 - 15th International Conference on Solid-State Sensors, Actuators and Microsystems
Country/TerritoryUnited States
CityDenver, CO
Period21/06/0925/06/09

Keywords

  • Apparent contact angle
  • Dual-scaled roughness
  • MPCVD
  • Nano-flower
  • Superhydrophobic surfaces

ASJC Scopus subject areas

  • Hardware and Architecture
  • Electrical and Electronic Engineering

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