Browsing by Author "Hafez, Ahmed M."
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Computational study on oxynitride perovskites for CO2 photoreduction
Hafez, Ahmed M.; Zedan, Abdallah F.; AlQaradawi, Siham Y.; Salem, Noha M.; Allam, Nageh K. ( Elsevier Ltd. , 2016 , Article)The photocatalytic conversion of CO2 into chemical fuels is an attractive route for recycling this greenhouse gas. However, the large scale application of such approach is limited by the low selectivity and activity of the ... -
Self-assembled zirconia nanotube arrays: Fabrication mechanism, energy consideration and optical activity
Amer, Ahmad W.; Mohamed, Seifallah M.; Hafez, Ahmed M.; Alqaradawi, Siham Y.; Aljaber, Amina S.; Allam, Nageh K.... more authors ... less authors ( Royal Society of Chemistry , 2014 , Article)We present a comprehensive roadmap for the precise control of the dimensions and optical properties of anodically fabricated zirconia nanotubes. The effects of anodization time, applied voltage, solvent composition, as ...