Ultrafast laser-induced formation of AgO and Ag2O on silver

被引：1

作者：

Girard, David ^{[1
,2
]}

Escamilla, Ariana Rodriguez ^{[1
,2
]}

Variola, Fabio ^{[3
]}

Berini, Pierre ^{[1
,2
,4
]}

Weck, Arnaud ^{[1
,2
,3
]}

机构：

[1] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada

[2] Univ Ottawa, Nexus Quantum Technol NexQT, Ottawa, ON K1N 6N5, Canada

[3] Univ Ottawa, Dept Mech Engn, Ottawa, ON K1N 6N5, Canada

[4] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON K1N 6N5, Canada

来源：

APPLIED SURFACE SCIENCE | 2025年 / 687卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Silver; Oxidation; Femtosecond; Laser machining; Ablation; Raman spectroscopy; THERMAL-DECOMPOSITION; OXIDE FILMS; FEMTOSECOND; SURFACE; OXIDATION; BREAKDOWN; ABLATION; METALS; RAMAN; XRD;

D O I：

10.1016/j.apsusc.2024.162177

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ultrafast lasers have been widely used to texture materials, and while a lot of focus has been placed on controlling surface morphology, literature is lacking on ultrafast laser-induced surface chemistry, even though surface chemistry is essential in many applications. To better understand surface chemistry changes during ultrafast laser ablation, a femtosecond laser was used hereto irradiate silver samples in air. The laser ablated craters were analysed with Raman spectroscopy and reveal the formation of Ag2O and AgO at different pulse energies and number of pulses. A mechanistic picture for the formation of both silver oxides and their transformation into Ag2CO3, Ag2SO3 and Ag2SO4 is proposed. Some laser-induced periodic surface structures LIPSSs were also observed on some craters, as well as nanoparticles arranged in concentric patterns.

引用

页数：10

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