二氧化钛种子基质上金属掺杂纳米氧化锌的合成与表征

NANOSCIENCE AND NANOTECHNOLOGY: NANO-SciTech Pub Date : 2019-08-29 DOI:10.1063/1.5124667

S. Z. Umbaidilah, N. Asib, A. N. Afaah, M. Rusop, Z. Khusaimi

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摘要

采用溶胶-凝胶自旋镀膜技术沉积TiO2种子层，溶液浸渍法生长掺杂ZnO纳米结构，在玻璃衬底上制备了Ag:ZnO/TiO2、Al:ZnO/TiO2、Cu:ZnO/TiO2和Mg:ZnO/TiO2等非掺杂和掺杂ZnO/TiO2纳米结构薄膜。在0.4 M的ZnO溶液中加入1个原子百分比的掺杂金属。结果表明，所有样品的FESEM图像都显示出纳米棒的形貌，掺杂ZnO/TiO2样品的纳米棒直径比未掺杂ZnO/TiO2样品小。XRD谱图显示，ZnO/TiO2多晶结构为ZnO六方纤锌矿型，与未掺杂和其他金属掺杂样品相比，Cu掺杂ZnO/TiO2的(002)峰强度最高。紫外-可见吸光度显示Ag:ZnO/TiO2吸光度最高，Mg:ZnO/TiO2吸光度最低。紫外-可见透射光谱表明，Ag:ZnO/TiO2样品的透明度最低。因此，Ag掺杂ZnO/TiO2是光学应用的最佳候选材料，因为与其他样品相比，Ag掺入ZnO/TiO2具有更高的吸光度和更小的直径。采用溶胶-凝胶自旋镀膜技术沉积TiO2种子层，溶液浸渍法生长掺杂ZnO纳米结构，在玻璃衬底上制备了Ag:ZnO/TiO2、Al:ZnO/TiO2、Cu:ZnO/TiO2和Mg:ZnO/TiO2等非掺杂和掺杂ZnO/TiO2纳米结构薄膜。在0.4 M的ZnO溶液中加入1个原子百分比的掺杂金属。结果表明，所有样品的FESEM图像都显示出纳米棒的形貌，掺杂ZnO/TiO2样品的纳米棒直径比未掺杂ZnO/TiO2样品小。XRD谱图显示，ZnO/TiO2多晶结构为ZnO六方纤锌矿型，与未掺杂和其他金属掺杂样品相比，Cu掺杂ZnO/TiO2的(002)峰强度最高。紫外-可见吸光度显示Ag:ZnO/TiO2吸光度最高，Mg:ZnO/TiO2吸光度最低。此外，紫外-可见透射光谱显示…

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Synthesis and characterization of metal doped nano zinc oxide on titanium dioxide seeded substrate

Non-doped ZnO/TiO2 and doped ZnO/TiO2 such as Ag:ZnO/TiO2, Al:ZnO/TiO2, Cu:ZnO/TiO2 and Mg:ZnO/TiO2 nanostructures thin film have been fabricated on glass substrate by using sol-gel spin coating technique for deposition of TiO2 seed layer and solution immersion method for growth of doped ZnO nanostructures. 1 atomic percentage of each metal doped were added in 0.4 M of ZnO solution. The result shows that FESEM images of all samples reveal the morphology as nanorod and doped ZnO/TiO2 samples show a smaller diameter of nanorods sized compared with non- doped ZnO/TiO2 sample. The XRD spectra revealed polycrystalline with a structure belonging to the ZnO hexagonal wurtzite type and the intensity of the (002) peak of Cu doped ZnO/TiO2 has the highest intensity compared to non-doped and the other metal doped samples. The UV-vis absorbance display Ag:ZnO/TiO2 has the highest absorbance and Mg:ZnO/TiO2 indicates the lowest absorbance compared to other sample. Additionally, the UV-vis transmittance spectra show that Ag:ZnO/TiO2 sample are the lowest transparency. Thus, Ag doped ZnO/TiO2 is the best candidates for optical application due to the higher absorbance and the incorporation of Ag into ZnO/TiO2 produce a smaller diameter compared to other samples.Non-doped ZnO/TiO2 and doped ZnO/TiO2 such as Ag:ZnO/TiO2, Al:ZnO/TiO2, Cu:ZnO/TiO2 and Mg:ZnO/TiO2 nanostructures thin film have been fabricated on glass substrate by using sol-gel spin coating technique for deposition of TiO2 seed layer and solution immersion method for growth of doped ZnO nanostructures. 1 atomic percentage of each metal doped were added in 0.4 M of ZnO solution. The result shows that FESEM images of all samples reveal the morphology as nanorod and doped ZnO/TiO2 samples show a smaller diameter of nanorods sized compared with non- doped ZnO/TiO2 sample. The XRD spectra revealed polycrystalline with a structure belonging to the ZnO hexagonal wurtzite type and the intensity of the (002) peak of Cu doped ZnO/TiO2 has the highest intensity compared to non-doped and the other metal doped samples. The UV-vis absorbance display Ag:ZnO/TiO2 has the highest absorbance and Mg:ZnO/TiO2 indicates the lowest absorbance compared to other sample. Additionally, the UV-vis transmittance spectra show th...

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