کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1667785 1008857 2011 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Fabrication of ZnO submicrorod films with water repellency by surface etching and hydrophobic modification
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Fabrication of ZnO submicrorod films with water repellency by surface etching and hydrophobic modification
چکیده انگلیسی

Superhydrophobic ZnO submicrorod films have been fabricated on zinc sheets through an H2O2-assisted surface etching process and subsequent surface modification with a monolayer of 1H,1H,2H,2H-perfluorodecyltriethoxysilane (FDS). The crystal structure, chemical compositions, morphologies, and wettability of the resultant ZnO films were analyzed by means of X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, and water contact angle measurements. It is found that the surface of the as-prepared ZnO films on zinc substrate was hydrophobic with a water contact angle of 95 ± 2°, whereas after modification with FDS, the film exhibited superhydrophobicity and the water CA increased to 154 ± 2°. It is shown that both the higher surface roughness and the lower surface free energy play an important role in creating the superhydrophobic films.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 519, Issue 22, 1 September 2011, Pages 7813–7816
نویسندگان
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