Two efficient approaches for improving field emission properties of ZnO NRs
عنوان مقاله: Two efficient approaches for improving field emission properties of ZnO NRs
شناسه ملی مقاله: JR_TDMA-6-1_002
منتشر شده در در سال 1396
شناسه ملی مقاله: JR_TDMA-6-1_002
منتشر شده در در سال 1396
مشخصات نویسندگان مقاله:
Marziyeh Advand - Babol Noshirvani University of Technology
Bahram Azizollah Ganji - Babol Noshirvani University of Technology
Mohammad Reza Kolahdouz - University of Tehran
خلاصه مقاله:
Marziyeh Advand - Babol Noshirvani University of Technology
Bahram Azizollah Ganji - Babol Noshirvani University of Technology
Mohammad Reza Kolahdouz - University of Tehran
The structure of pure and Al doped ZnO (AZO) nanorods (NRs) has been studied. A post annealing procedure in oxygen ambience at ۴۰۰ﹾC were used in order to improve crystallinity of both group of samples. The XRD patterns illustrate that the Al doped ZnO NRs were successfully synthesized using our method. Then, the field emission properties of the as grown NRs before and after annealing process were evaluated by our home-made setup. Experimental results show that Al density in ZnO NRs directly affects FE properties of these samples. The oxygen post annealing process leads to a significant improvement in the field emission performances of pristine and doped ZnO NRs including considerably lower turn on voltage, and higher emission current.
کلمات کلیدی: Zinc Oxide, Al-doped Zinc Oxide, Nanorods, Field Emission, Oxygen Annealing, Oxygen Vacancy
صفحه اختصاصی مقاله و دریافت فایل کامل: https://civilica.com/doc/1715347/