Manufacture of TiO2 nanoparticles with high preparation efficiency and photocatalytic performance by controlling the parameters of pulsed laser ablation in liquid

被引：5
|
作者：
Huang, Zeyu [1 ]
Feng, Guoying [1 ]
Zhou, Kainan [2 ]
Han, Jinghua [1 ]
Shi, Zhongbing [3 ]
He, Changtao [4 ]
Xie, Na [2 ]
Zhang, Qiuhui [5 ]
机构：
[1] Sichuan Univ, Coll Elect & Informat Engn, Chengdu 610065, Peoples R China
[2] China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621999, Sichuan, Peoples R China
[3] Southwestern Inst Phys, Chengdu 610041, Peoples R China
[4] Sichuan Jiuzhou Elect Grp Co Ltd, Mianyang 621000, Sichuan, Peoples R China
[5] Henan Univ Engn, Dept Elect Informat Engn, Xinzheng 451191, Peoples R China
来源：
OPTICS EXPRESS | 2022年 / 30卷 / 12期
基金：
中国国家自然科学基金;
关键词：
GOLD NANOPARTICLES; PHASE; DEGRADATION; REDUCTION; DRIVEN; WATER;
D O I：
10.1364/OE.455658
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This study proposes a method to improve the production efficiency and photocatalytic performance of TiO2 nanoparticles using the pulsed laser ablation in liquid (PLAL) method to optimise preparation parameters. In this study, the variation of particle size, morphology, preparation, and catalytic efficiency due to the increase in the number of pulses is studied. The mechanism of particle morphology change is analysed using thermodynamic simulation. The density functional theory (DFT) is used to calculate and characterise the reason why the special structure formed by particle breaking improves the photocatalytic performance. In addition, the influence of the law of solution height on particle breakage is summarised to obtain an optimised preparation parameter. The proposed method provides a reference for the selection of parameters in actual production. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：20482 / 20500
页数：19
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