First-Principles Calculations of Plasmon-Induced Hot Carrier Properties of μ-Ag 3 Al.
Saved in:
| Title: | First-Principles Calculations of Plasmon-Induced Hot Carrier Properties of μ-Ag 3 Al. |
|---|---|
| Authors: | Zhao, Zihan1 (AUTHOR), Ren, Hai2 (AUTHOR), Wang, Yucheng1 (AUTHOR) weilinfang@xidian.edu.cn, Ma, Xiangchao1,2 (AUTHOR) dlliu@xidian.edu.cn, Jiang, Jiali1 (AUTHOR), Wei, Linfang1 (AUTHOR), Liu, Delian1 (AUTHOR) |
| Source: | Nanomaterials (2079-4991). May2025, Vol. 15 Issue 10, p761. 16p. |
| Subjects: | Surface plasmon resonance, Polaritons, Precious metals, Intermetallic compounds, Solar cells, Hot carriers |
| Abstract: | Non-radiative decay of surface plasmon (SP) offers a novel paradigm for efficient conversion of photons into carriers. However, the narrow bandwidth of SP has been a significant obstacle to the widespread applications. Previously, research and applications mainly focused on noble metals such as Au, Ag, and Cu. In this article, we report an Ag-Al alloy material, μ-Ag3Al, in which the surface plasmon operating bandwidth is 1.7 times that of Ag and hot carrier transport properties are comparable with those of AuAl. The results show that μ-Ag3Al allows efficient direct interband electronic transitions from ultraviolet (UV) to near infrared range. Spherical nanoparticles of μ-Ag3Al exhibit the localized surface plasmon resonance (LSPR) effect in the ultraviolet region. Its surface plasmon polariton (SPP) shows strong non-radiative decay at 3.36 eV, which is favorable for the generation of high-energy hot carriers. In addition, the penetration depth of SPP in μ-Ag3Al remains high across the UV to the near-infrared range. Moreover, the transport properties of hot carriers in μ-Ag3Al are comparable with those in Al, borophene and Au-Al intermetallic compounds. These properties can provide guidance for the design of plasmon-based photodetectors, solar cells, and photocatalytic reactors. [ABSTRACT FROM AUTHOR] |
| Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
|
Full text is not displayed to guests.
Login for full access.
|
|
Be the first to leave a comment!
