Nanosecond laser ablation of composite thin films in liquid

被引：1
|
作者：
Nikov, Ro [1 ]
Dikovska, A. [1 ]
Nedyalkov, N. [1 ]
Nikova, T. [2 ,3 ]
Karashanova, D. [2 ]
机构：
[1] Bulgarian Acad Sci, Inst Elect, Tsarigradsko Chaussee 72, Sofia 1784, Bulgaria
[2] Bulgarian Acad Sci, Inst Opt Mat & Technol, G Bonchev St,Bl 109, Sofia 1113, Bulgaria
[3] Univ Architecture Civil Engn & Geodesy, 1 Hr Smirnenski Blvd, Sofia 1046, Bulgaria
来源：
XXI INTERNATIONAL CONFERENCE AND SCHOOL ON QUANTUM ELECTRONICS: LASER PHYSICS AND APPLICATIONS | 2021年 / 1859卷
关键词：
TIO2; PHOTOCATALYSIS; NANOPARTICLES; DEGRADATION; DESIGN;
D O I：
10.1088/1742-6596/1859/1/012012
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a study on nanosecond laser ablation of thin composite films immersed in liquids. The composite films are obtained using a classical on-axis pulsed laser deposition technology, where the target consists of two sectors with different composition. Multicomponent films containing ZnO, TiO2, and Ag, are thus deposited on a substrate. The as-prepared composite films are then immersed in double distiled water and irradiated by nanosecond laser pulses. This results in the production of colloids composed by multicomponent nanoparticles. The optical properties of the colloids are evaluated by optical transmittance measurements in the UV-VIS spectral range. Transmission electron microscopy is used to visualize the nanostructures formed in the solution, as well as to evaluate their size distribution. The phase composition of the samples is determined by selected area electron diffraction.
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页数：5
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