مهدي محمد عائض القحطاني

الاسم الاول: 
مهدي
اسم العائلة: 
القحطاني
الدرجة العلمية: 
دكتوراة
مجال الدراسة: 
هندسة
المؤسسة التعليمية: 
University College London - UCL

 

 

مجال التميز

تميز دراسي و بحثي

 

 

البحوث المنشورة

 

البحث (1):

 

عنوان البحث:

Gallium Phosphide Photoanode Coated With TiO2 and CoOx For Stable Photoelectrochemical Water Oxidation

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تاريخ النشر:

15/04/2019

موجز عن البحث:

Gallium Phosphide (GaP) has a band gap of 2.26 eV and a valance band edge that is more negative than the water oxidation level. Hence, it may be a promising material for photoelectrochemical water splitting. However, one thing GaP has in common with other III-V semiconductors is that it corrodes in photoelectrochemical reactions. Cobalt oxide (CoOx) is a chemically stable and highly active oxygen evolution reaction co-catalyst. In this study, we protected a GaP photoanode by using a 20 nm TiO2 as a protection layer and a 2 nm cobalt oxide co-catalyst layer, which were both deposited 

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