期刊
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
卷 22, 期 3-4, 页码 311-318出版社
TAYLOR & FRANCIS LTD
DOI: 10.1163/156856108X295419
关键词
sol-gel; translucent; superhydrophobic surface; nanoparticles
A translucent and superhydrophobic surface was prepared with a sol-gel method on a glass substrate. The coating solution was obtained by hydrolysis of a chelate compound of aluminum isopropoxide and ethyl acetoacetate. Then, the films were prepared by dip-coating the glass substrates and subsequent surface modification with stearic acid. Field-emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), Fourier transform infrared (Fr-IR) spectroscopy, UV-Vis spectroscopy, and contact angle (CA) measurements were used for the surface characterization. It was demonstrated that the coatings comprised a roughness structure on two levels with the root mean square roughnesses (R-rms) of ca. 30 and 200 nm, resulting in water static contact angle up to 168 degrees and a small sliding angle of only 3 degrees. ne average visible light transmittance of the coatings was 62%. (c) Koninklijke Brill NV, Leiden, 2008
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