4.7 Article

A cauliflower-like gold structure for superhydrophobicity

Journal

JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 334, Issue 1, Pages 103-107

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2009.03.023

Keywords

Superhydrophobic; Electrodeposition; RSA; Cauliflower-like structure

Funding

  1. National Research and Development Program [2005-01274]
  2. Korea Ministry of Science and Technology (MOST)
  3. Korean MOST [ROA-2007-000-20028-0]
  4. National Research Foundation of Korea [과C6A1611, 2007-0056950] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We present a two-step route to produce a hierarchical Cauliflower-like gold structure that involves the adsorption of gold nanoparticles described by the random sequential adsorption (RSA) model, followed by the electrochemical growth on the Surfaces of the primary gold nanoparicles. The structure was confirmed using scanning electron microscopy (SEM), energy dispersive spectrometer analysis (EDS), and X-ray diffraction (XRD). After fluoroalkylsilane modification, the cauliflower-like structured surface exhibits a high contact angle and a low sliding angle. (c) 2009 Elsevier Inc. All rights reserved.

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