Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 211, Issue -, Pages 137-143Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2018.02.011
Keywords
Transparent thin film; Super hydrophobic; Zinc oxide nanorods; Polystyrene; Hydrothermal method
Categories
Funding
- Council of Scientific and Industrial Research (CSIR) project
- Science and Engineering Research Board (DST) project [PDF/2017/002797]
- NRF,IIT-Delhi [RP 02395]
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Superhydrophobic transparent thin films using Mn doped zinc oxide (Mn/ZnO) and polystyrene (PS) composites have been synthesized successfully by chemical solution method. The nanocomposites thin films were fabricated by using Mn/ZnO and PS mixture in toluene, followed by film casting on glass substrate. For a comparison ZnO nanoparticles thin film was also prepared with PS. Mn/ZnO nanostructures have been synthesized by hydrothermal method using hexamethylenetetramine (HMTA) as a capping agent. The XRD analysis shown that the development of hexagonal wurtzite structure of Mn/ZnO with preferred (101) orientation. SEM analysis shown that Mn/ZnO nanorods have been uniformly dispersed in the PS matrix. Water contact angle (WCA) was found as 107 degrees and 151 degrees for the ZnO@PS and Mn doped ZnO@PS thin film, respectively. The transparency of the Mn doped ZnO@PS films are also large (similar to 90%) as compared to ZnO@PS film (similar to 80%) which is attributed to enhanced energy band gap of ZnO after Mn doping. The larger contact angle (WCA similar to 151 degrees) in the Mn/ZnO@PS thin film has been recognized to the rough surface of PS thin film due to the presence of Mn/ZnO nanorods. The present process is very simple and embrace ability for extensive applications for making super hydrophobic transparent surfaces. (C) 2018 Elsevier B.V. All rights reserved.
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