رشد نانوساختارهاي شش وجهي ZnO با روش DC اسپاترينگ و بررسي فوتولومينسانس آنها

ZnO vertically aligned nanostructures with hexagonal cross section have been grown by reactive DC sputtering method. Using thermal treatment in vacuum tube furnace and controlling the process, favorable structures with good emission were obtained . SEM images verified the hexagonal cross section of nanostructures with diameters in the range of 50-150 nm. XRD pattern indicated that the samples are crystalline. The optical property of nanostructures was investigated using photoluminescence (PL) spectrum. PL spectra indicated a sharp peak in near-UV range of electromagnetic spectrum. The outstanding application of nanostructures with this property is in optoelectronic devices such as UV-LEDs and UV diode lasers.