Laser & Optoelectronics Progress, Volume. 58, Issue 7, 0700001(2021)
Research Progress in Laser-Controlled Optimization of Noble Metal Nanocomposite Configuration and Light Excitation Application
Fig. 1. Main mechanism of pulse laser ablation in liquid solution. (a)‒(e) Evolution of pulsed laser ablation in liquid solution with time (take nanosecond pulse laser as example)[31]; (f) main stages and their corresponding real-time images of laser-target-liquid system for each laser pulse[33]; (g) laser-induced plasma and cavitation bubbles on Pt wire in water[36]
Fig. 2. Four chemical reactions occur inside the plasma and liquid and at the interface between the plasma and the liquid[31]. (a) In the laser-induced plasma, reaction clusters are target plasma; (b) in the laser-induced plasma, reaction clusters are target plasma and liquid molecules; (c) at the interface between laser-induced plasma and the liquid, reaction clusters are target plasma and molecules of the liquids; (d) in the liquid, reaction clusters are the target and molecules of liquid
Fig. 3. Mechanism for ms pulsed laser ablation in liquid[54]. (a) Formation of nanodroplets; (b) reaction of ejected metal nanodroplets with ambient liquid; (c) time-resolved images of laser ablation of a Ti target in water
Fig. 4. Distinctive morphologies of nanostructures synthesized by laser liquid phase ablation. (a) Zinc hydroxide/dodecyl sulfate nanostructures[55];(b) PdO nanosheets[56];(c) Fe3C superfine fiber[57];(d) Cd monodispersed quantum dots[58];(e) MnOOH nanowires[59];(f) chestnut-like Fe3O4@C@ZnSnO3 core-shell hierarchical structure[60];(g) Cu3Mo2O9 nanorods[61];(h) Ge-doped α-Fe2O3 nanosheet[62];(i) ZnMoO4 nanoflowers[63];(j) AgCl cubes[64];(k) urchin-like ZnSnO3[65]; (l) Ag nanoplates[66]
Fig. 6. Various composite nanostructures with metal substrates synthesized by electron-hole pairs generated by laser irradiation in liquid[85-96]. (a) Mn3O4/H-TiO2 composite film[85]; (b) CdS/Pt nanorods[86]; (c) SiO2@Pt nanocomposite structure[87]; (d) ZnO/Au hybrid nanocomposite structure[88]; (e) SiO2@TiO2-Ag[89]; (f) Au-loaded ZnO crystals[90]; (g) Ag/ZnO[91]; (h) Ag-SiO2@α-Fe2O3 nanocomposites sphere[92]; (i) Au/AgNR/SnO2[93]; (j) ZnO/Au[94]; (k) PtO2/TiO2 particles[95]; (l) Au/Cdot-SiO2 nanocomposites[96]
Fig. 7. Nanocomposites with metal substrate synthesized by LSPR effect produced by laser irradiation of noble metals. (a) EM-field-induced coherent localized oscillation of electron cloud[117];(b) hot carrier generation and corresponding absorption spectrum of plasmonic metals[117]; (c)‒(h) plasmon-driven synthesis of various Ag nanostructures[118-123]; plasmon-driven synthesis of Au nanosheets[124]: (i) diagram of photochemical growth of Au nanosheet; (j) scanning electron microscopy image of Au nanosheet after irradiation
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Linlin Xu, Yue Tian, Anxin Jiao, Ming Chen, Feng Chen. Research Progress in Laser-Controlled Optimization of Noble Metal Nanocomposite Configuration and Light Excitation Application[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0700001
Category: Reviews
Received: Sep. 14, 2020
Accepted: Nov. 18, 2020
Published Online: Apr. 25, 2021
The Author Email: Chen Ming (chenming@sdu.edu.cn), Chen Feng (drfchen@sdu.edu.cn)