Abstract
Introduction to the self-cleaning aspects of surfaces is introduced and importance of droplet dynamics is presented. Mimicking the nature of surface hydrophobicity remains critical to generating the Lotus effect on artificially generated hydrophobic surfaces. The hieratically distributed surface texture composed of micro/nanopillars plays a key role in achieving surface hydrophobicity and the Lotus effect. Surface texture remains important for lowering the contact angle hysteresis. In this chapter, the importance of mimicking nature for self-cleaning applications is introduced. Surface treatment methods including various techniques for changing the surface wetting state from hydrophilic to hydrophobic are presented. Requirements for the optical transmittance of hydrophobic surfaces prepared for self-cleaning applications are discussed in detail. The surface characteristics and assessment of the optical transmittance are also incorporated in this chapter.
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