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RSS FeedsMaterials, Vol. 12, Pages 626: Plasma-Induced Crystallization of TiO2 Nanotubes (Materials)

 
 

20 february 2019 07:01:56

 
Materials, Vol. 12, Pages 626: Plasma-Induced Crystallization of TiO2 Nanotubes (Materials)
 


Facile crystallization of titanium oxide (TiO2) nanotubes (NTs), synthesized by electrochemical anodization, with low pressure non-thermal oxygen plasma is reported. The influence of plasma processing conditions on TiO2 NTs crystal structure and morphology was examined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). For the first time we report the transition of amorphous TiO2 NTs to anatase and rutile crystal structures upon treatment with highly reactive oxygen plasma. This crystallization process has a strong advantage over the conventional heat treatments as it enables rapid crystallization of the surface. Thus the crystalline structure of NTs is obtained in a few seconds of treatment and it does not disrupt the NTs’ morphology. Such a crystallization approach is especially suitable for medical applications in which stable crystallized nanotubular morphology is desired. The last part of the study thus deals with in vitro biological response of whole blood to the TiO2 NTs. The results indicate that application of such surfaces for blood connecting devices is prospective, as practically no platelet adhesion or activation on crystallized TiO2 NTs surfaces was observed.


 
50 viewsCategory: Chemistry, Physics
 
Materials, Vol. 12, Pages 627: Damage Evolution of RC Beams Under Simultaneous Reinforcement Corrosion and Sustained Load (Materials)
Materials, Vol. 12, Pages 625: The Comparison in the Microstructure and Mechanical Properties between AZ91 Alloy and Nano-SiCp/AZ91 Composite Processed by Multi-Pass Forging Under Varying Passes and Temperatures (Materials)
 
 
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