Peach-like ZnO microstructures are synthesized using vapor phase transport on MgO(001)substrates with a copper oxide(60 nm)buffer layer.The structure and morphology of the product are investigated using an x-ray diffr...Peach-like ZnO microstructures are synthesized using vapor phase transport on MgO(001)substrates with a copper oxide(60 nm)buffer layer.The structure and morphology of the product are investigated using an x-ray diffractometer(XRD)and a field-emission scanning electron microscope.The peaches have an average diameter of 3μm and a wurtzite structure.To study the optical properties,photoluminescence(PL)and Raman spectroscopy are employed.A strong UV emission at 380 nm in the PL spectra is observed,and a sharp and dominant peak at 437 cm^(-1) in the Raman spectrum can be assigned to the good crystallization of obtained product.In addition,the growth mechanism of the peach-like ZnO structure is tentatively investigated based on the EDX analysis and growth time.展开更多
基金Supported by the Exploratory Research of Malaysia under Grant No ERGS/11/STG/UPM/01/3.
文摘Peach-like ZnO microstructures are synthesized using vapor phase transport on MgO(001)substrates with a copper oxide(60 nm)buffer layer.The structure and morphology of the product are investigated using an x-ray diffractometer(XRD)and a field-emission scanning electron microscope.The peaches have an average diameter of 3μm and a wurtzite structure.To study the optical properties,photoluminescence(PL)and Raman spectroscopy are employed.A strong UV emission at 380 nm in the PL spectra is observed,and a sharp and dominant peak at 437 cm^(-1) in the Raman spectrum can be assigned to the good crystallization of obtained product.In addition,the growth mechanism of the peach-like ZnO structure is tentatively investigated based on the EDX analysis and growth time.
