研究目的
Investigating the effects of different solvents at high laser fluence on the stability and morphology of Cu/CuO nanoparticles synthesized by laser ablation.
研究成果
The study demonstrated that the morphology and stability of Cu/CuO nanoparticles are significantly influenced by the physical properties of the solvents used in laser ablation. High laser fluence favors the formation of large nanoparticles, with specific morphologies depending on the solvent. The findings are expected to aid in the synthesis of nanostructures by tuning laser and liquid parameters.
研究不足
The study focuses on the effects of solvents at high laser fluence, but the detailed mechanism of nanoparticle formation and the influence of other laser parameters are not fully explored.
1：Experimental Design and Method Selection:
Pulsed laser ablation with 1064 nm and high laser fluence of 40 J/cm2 (operating at 8 ns pulse duration) was used to ablate the Cu plate immersed in different liquid environments (EG, DI, and Eth).
2：Sample Selection and Data Sources:
Cu target was ablated in three different solvents: ethylene glycol (EG), deionized water (DI), and ethanol (Eth).
3：List of Experimental Equipment and Materials:
Nanosecond Nd:YAG pulsed laser, Cu target, ethylene glycol, deionized water, ethanol.
4：Experimental Procedures and Operational Workflow:
The laser was focused onto the surface of the target immersed in the liquid, leading to target ejection and formation of plasma plume. The effects of solvents on the morphology and stability of nanoparticles were studied using microscopic and spectroscopic techniques.
5：Data Analysis Methods:
The morphology and crystallinity of nanoparticles were analyzed using HRTEM, SAED, and XRD. Optical properties were studied using UV-Vis and PL spectroscopy.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
