纳米材料
材料科学
光子学
纳米技术
石墨烯
超短脉冲
碳纳米管
光电子学
氧化物
纳米颗粒
激光器
光学
物理
冶金
作者
Bo Fu,Jingxuan Sun,Yuan Cheng,Hao Ouyang,Giuseppe Compagnini,Peng Yin,Songrui Wei,Shaojuan Li,Dabing Li,Vittorio Scardaci,Han Zhang
标识
DOI:10.1002/adfm.202107363
摘要
Abstract Nanomaterials have demonstrated excellent mechanical, thermal, optical, and electrical properties in various fields, including 1D carbon nanotubes, as well as 2D materials starting from graphene. Metal‐based nanomaterials, mainly divided into metal and metal oxide nanoparticles, also gradually come into the sight of ultrafast photonics applications due to the outstanding optical properties. The optical properties of metal nanoparticles can be enhanced by the interaction between conduction electrons with electric fields that is called surface plasmon resonance. As for metal oxide nanoparticles, optical properties are closely related to bandgap structures. When it comes to transition metal oxides, other phenomena also play important roles in optical absorption such as spin inversion and excitons of iron. Moreover, preparation methods of materials are also crucial for their properties and further applications. Therefore, in this review, commonly used physical and chemical fabrication methods for metal‐based nanomaterials are first introduced. Then the optical properties of typical metal and metal oxide nanoparticles are discussed specifically. In addition, the applications of metal‐based nanomaterials in ultrafast lasers based on mode‐locked and Q‐switched techniques are also summarized. Finally, a summary and outlook toward the synthesis, optical properties, and applications in ultrafast photonics of metal‐based nanomaterials are presented.
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