Highest c-axis oriented ZnO nanostructure thin film formed by dip-coating method for optic and electronic applications
- سال انتشار: 1386
- محل انتشار: دومین کنفرانس نانوساختارها
- کد COI اختصاصی: CNS02_100
- زبان مقاله: انگلیسی
- تعداد مشاهده: 1825
نویسندگان
Catalysis Division, Department of Chemistry, University of Isfahan, Isfahan
Catalysis Division, Department of Chemistry, University of Isfahan, Isfahan
چکیده
ZnO thin film was deposited on glass substrate using sol-gel method and the effect of annealing temperature on the structural morphology and optical properties of ZnO thin films were investigated. Nanostructure ZnO thin films presenting well-defined orientation were obtained by dip coating. The ZnO thin films were pre-heated at 275 0C for 10 min. and annealed at 350, 450 and 550 0C for 60 min. As-deposited films are formed by amorphous zinc oxide-acetate submicron particles, which are transformed into a highly oriented ZnO after thermal treatment. The annealed ZnO thin films were transparent ca 85-90% in visible range with an absorption edges at about 375 nm. The morphologies, phase structure and the optical properties of the thin films were investigated by scanning electron microscopy (SEM), X-ray diffractometer (XRD), scanning electron microscope (SEM) and optical transmittance measurement which show that the ZnO/glass film is formed by a layer of ZnO nano-sized particles with average diameter of 40 nm.کلیدواژه ها
Thin Film; ZnO; Nanostructure; Sol-Gel; Dip Coating;مقالات مرتبط جدید
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