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Effect of Al doping on the properties of electrodeposited ZnO nanostructures
المؤلفون المشاركون
Khalladi, Muhammad Rida
Azizi, Amur
Baka, Ouidad
المصدر
Journal of New Technology and Materials / Larbi Ben M'hidi Oum el-Bouaghi University.
الناشر
جامعة العربي بن مهيدي بأم البواقي
تاريخ النشر
2014-05-31
دولة النشر
الجزائر
عدد الصفحات
6
التخصصات الرئيسية
الموضوعات
الملخص الإنجليزي
In this study, Al-doped zinc oxide (AZO) nanostructures are prepared on polycrystalline fluorine-doped tin oxide (FTO)-coated conducting glass substrates from nitrates baths by the electrodeposition process at 70 °C.
The electrochemical, morphological, structural and optical properties of the AZO nanostructures were investigated in terms of different Al concentration in the starting solution.
It was found from the Mott–Schottky (M-S) plot that the carrier density of AZO nanostructures varied between 3.111020 to 5.561020 cm-3 when the Al concentration was between 0 and 5 mM.
Atomic force microscopie (FM) images reveal that the concentration of Al has a very significant influence on the surface morphology and roughness of AZO thin films.
X-ray diffraction (XRD) patterns demonstrate preferential (002) crystallographic orientation having c-axis perpendicular to the surface of the substrate and average crystallites size of the films was about 23–36 nm.
As compared to pure ZnO, Al-doped ZnO exhibited lower crystallinity and there is a shift in the (002) diffraction peak to higher angles.
ZnO nanostructures were found to be highly transparent and had an average transmittance of 80 % in the visible range of the spectrum.
After the incorporation of Al content into ZnO the average transmittance increased and the band-gap tuning was also achieved (from 3.22 to 3.47 eV).
نوع البيانات
أوراق مؤتمرات
رقم السجل
BIM-430141
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Baka, Ouidad& Khalladi, Muhammad Rida& Azizi, Amur. 2014-05-31. Effect of Al doping on the properties of electrodeposited ZnO nanostructures. International Conference on New Materials and Active Devices (2st : 2014 : Umm al-Bawaqi, Algeria). . Vol. 4, no. 1 (May. 2014), pp.1-6.Oum el-Bouaghi Algeria : Larbi Ben M'hidi Oum el-Bouaghi University.
https://search.emarefa.net/detail/BIM-430141
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Baka, Ouidad…[et al.]. Effect of Al doping on the properties of electrodeposited ZnO nanostructures. . Oum el-Bouaghi Algeria : Larbi Ben M'hidi Oum el-Bouaghi University. 2014-05-31.
https://search.emarefa.net/detail/BIM-430141
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Baka, Ouidad& Khalladi, Muhammad Rida& Azizi, Amur. Effect of Al doping on the properties of electrodeposited ZnO nanostructures. . International Conference on New Materials and Active Devices (2st : 2014 : Umm al-Bawaqi, Algeria).
https://search.emarefa.net/detail/BIM-430141
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