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. 2015 Mar 20;5:9362. doi: 10.1038/srep09362

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(a) Optical microscopic images of water droplets on three glass surfaces: pristine (left), superhydrophilic (middle) and superhydrophobic (right). Optical transmittance of the CF₄ treated glass surfaces (b) without and (c) with the SiO₂ coating. Optical reflectance (d) without and (e) with the SiO₂ coating.