Journal
APPLIED SURFACE SCIENCE
Volume 330, Issue -, Pages 332-338Publisher
ELSEVIER
DOI: 10.1016/j.Apsusc.2015.01.024
Keywords
Wood substrate; Superhydrophobic surface; Bionic nanocomposite; One-step hydrothermal process
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Funding
- National Natural Science Foundation of China [31270602]
- Key Laboratory of Wood Science and Technology, Zhejiang province [2014lygcz001]
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Superhydrophobic nanocomposite surfaces were successfully fabricated on wood substrates via a onestep hydrothermal process. The morphology of the nanocomposite surfaces was characterized using scanning electron microscopy (SEM), and the elemental composition was determined via energy-dispersive X-ray spectrometry (EDS), X-ray diffraction (XRD) analysis, and Fourier transform infrared (FTIR) spectroscopy. The results indicated that the crystallization of the anatase phase of TiO2 was prevented because of the presence of vinyltriethoxysilane [VTES, CH2CHSi(OC2H5)(3)] during the hydrothermal process. In addition, the nanocomposite contained Ti/Si particles with diameters ranging from 50 to 100 nm that thoroughly covered the wood substrate. Furthermore, the roughness coupled with the presence of low surface free energy groups led to superhydrophobicity; the static water contact angle (WCA) was as high as 153, and the sliding angle was very low. (C) 2015 Elsevier B.V. All rights reserved.
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