Dependence of laser ablation produced TiO2 nanoparticles on the ablation environment temperature

被引：8
|
作者：
Jasbi, Nafise Ebrahim [1 ]
Dorranian, Davoud [1 ]
机构：
[1] Islamic Azad Univ, Sci & Res Branch, Plasma Phys Res Ctr, Laser Lab, Tehran, Iran
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2017年 / 49卷 / 06期
关键词：
Laser ablation; TiO2; nanoparticle; Absorption spectra; SEM; TEM; XRD; Exitonic resonance; ZNO2; NANOPARTICLES; ANATASE; LIQUID; TRANSFORMATION; NANOCRYSTALS; WAVELENGTH; KINETICS; GROWTH; ENERGY; MEDIA;
D O I：
10.1007/s11082-017-1041-4
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：
\Effect of the temperature of water as the ablation environment on the characteristics of TiO2 nanoparticles produced by laser ablation process in water has been investigated experimentally. The fundamental wavelength of a Q-switched Nd:YAG laser was employed to irradiate a high purity Ti plate in distilled water at different temperatures of 0, 20, 35, 50 and 65 degrees C. Produced nanoparticles were diagnose by UV-Vis-NIR spectroscopy, X-ray diffraction method, TEM, and SEM micrographs. Results show that with increasing the water temperature from 20 degrees C, size of nanoparticles was increased and their bandgap energy was decreased. Minimum ablation rate occured at the highest temperature. Crystalinity of produced nanoparticles also increased with increasing the temperature of water.
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页数：13
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