Ngom, balla (2011) Photon-induced tunable and reversible wettability of pulsed laser deposited W-doped ZnO nanorods. The European Physical Journal Applied Physics .
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nO nanorods arrays were prepared on soda lime glass substrate by pulsed laser deposition method. Hexagonal rod-like ZnO rods were obtained under different conditions. Well-defined ZnO nanorods arrays were selected among different samples having various morphologies and sizes already studied by X-ray diffraction (XRD) and atomic force microscopy (AFM). Here, we report on the contact angle measurement (CAM) of one of these samples. A systematic change of the surface wettability is observed in W-doped ZnO nanostructures. The water contact angle (WCA) of a 1 wt.% of WO3 target content was found to be the transition doping level from hydrophilic surface to a hydrophobic surface. We attributed the transition in surface wettability of the film with the doping to incorporation increase of tungsten into the film. Such characteristic surface wettability can play a key role in the adhesion of various layers on W-ZnO nanorods arrays for optoelectronic device applications.
|Subjects:||Material Science > Functional and hybrid materials|
|Deposited By:||Mr Saleh Khamlich|
|Deposited On:||20 May 2012 03:05|
|Last Modified:||20 May 2012 03:05|
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