喷雾热解法制备的喷雾二氧化钛和掺铜二氧化钛薄膜的表征

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Digest Journal of Nanomaterials and Biostructures Pub Date : 2023-12-04 DOI:10.15251/djnb.2023.184.1385

F. H. Jasim, H. R. Shakir, S. S. Chiad, N. Habubi, Z. S. A. Mosa, Y. H. Kadhim, M. Jadan

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引用次数: 0

摘要

采用喷雾热解(SP)法制备了TiO2和TiO2:Cu薄膜。x射线衍射显示沉积膜具有多晶结构。表面的原子力显微镜图像显示，掺杂对表面粗糙度和均方根有影响。当掺杂率增加到3%时，薄膜的透光率从94%下降到84%。TiO2薄膜的光学带隙(Eg)为3.947eV。掺杂后，带隙转移到较低的能量。

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Characterizations of sprayed TiO2 and Cu doped TiO2 thin films prepared by spray pyrolysis method

TiO2 and TiO2:Cu films were deposited by spray pyrolysis (SP). X-ray diffraction reveals that deposited films have a polycrystalline structural. The AFM image of the surface reveals that roughness and root mean square affected by doping. Optical transmission of films was found to decrease from 94 % to 84 % with the as the doping percentage increase to 3. Optical bandgap (Eg) of TiO2 thin film was 3.947eV. The bandgap is shifted to lower energies upon doping.

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