ZnO、TiO2及ZnO:TiO2复合薄膜的光学性质

IF 0.4 Q4 NANOSCIENCE & NANOTECHNOLOGY Nano Hybrids and Composites Pub Date : 2021-02-16 DOI:10.4028/www.scientific.net/NHC.31.25
A. Rashid, Hani Khaliesah Tazri
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引用次数: 1

摘要

我们报道了ZnO, TiO2和ZnO:TiO2复合薄膜的制备和表征。采用浸涂溶胶-凝胶法在玻璃基板上制备薄膜。以脱水乙酸锌、冰醋酸和乙醇为原料合成氧化锌。同时,以异丙醇、乙酸、异丙醇和甲醇为原料制备TiO2。以固定摩尔浓度0.2 mol混合得到ZnO:TiO2复合薄膜。用紫外-可见光谱仪测定了金属氧化物的透过率、吸光度和带隙等光学性能。用红外光谱法测定了材料的化学键。ZnO薄膜的透过率最高(91%),其次是TiO2(70%)和ZnO:TiO2复合薄膜(35%)。ZnO:TiO2复合膜的吸光度边向较长波方向移动。ZnO、TiO2和ZnO: TiO2复合材料的能带隙分别为3.8 eV、3.6 eV和3.5 eV。
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Optical Properties of ZnO, TiO2 and ZnO:TiO2 Composite Films
We report a fabrication and characterization of ZnO, TiO2 and ZnO:TiO2 composite thin films. The films were prepared on glass substrates by using the dip coating sol-gel method. ZnO was synthesized by using Zinc acetate dehydrated, glacial acetic acid and ethanol. Meanwhile, TiO2 was prepared by using titanium isopropoxide, acetic acid, isopropyl alcohol and methanol. The single sols were mixed with fixed molarity of 0.2 mol to obtain ZnO:TiO2 composite films. The optical properties of metal oxide, such as transmittance, absorbance and band gap were determined using UV-Vis spectrometer. FTIR was used to determine the chemical bonds of the materials. ZnO has the highest transmittance spectra (91%), followed by TiO2 (70%) and ZnO:TiO2 (35%) composite films. The absorbance edge shifted to the longer wavelength for ZnO:TiO2 composite film. The energy band gap of ZnO, TiO2 and ZnO: TiO2 composite were 3.8 eV, 3.6 eV and 3.5 eV, respectively.
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来源期刊
Nano Hybrids and Composites
Nano Hybrids and Composites NANOSCIENCE & NANOTECHNOLOGY-
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