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Title: Controlling the Degree of Hydrophilicity/Hydrophobicity of Semiconductor Surfaces via Porosification and Metal Deposition
Authors: MONAICO, Eduard V. 
Keywords: wetting;porous;electrodeposition;contact angle;hydrophilic-hydrophobic
Issue Date: 2022
Project: 21.00208.5007.15/PD. Micro- și nano-ingineria compușilor semiconductori în baza tehnologiilor electrochimice pentru aplicații electronice si fotonice 
NanoMedTwin - Promoting smart specialization at the Technical University of Moldova by developing the field of Novel Nanomaterials for BioMedical Applications through excellence in research and twinning 
20.80009.5007.20. Nanoarhitecturi în bază de GaN şi matrici tridimensionale din materiale biologice pentru aplicaţii în microfluidică şi inginerie tisulară 
Series/Report no.: IFMBE, volume 87;
Conference: ICNBME 2021
In this paper we present a systematic study of bulk GaAs wafers and gold-decorated GaAs surfaces exhibit-ing hydrophilic and hydrophobic behaviors. The wetting properties can be switched to superhydrophilicity and super-hydrophilicity by simple electrochemical etching providing engineered porous morphologies. The results open interesting technological perspectives for the exploitation of GaAs surfac-es.
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