Hai Ren
Research Subjects
Research Interests
Hai Ren has a total of 6 co-authors. Here are the top co-authors by number of shared publications:
- Delian Liu
Xidian University
1 shared publication - Jiali Jiang
School of Optoelectronic Engineering, Xidian University, Xi’an 710071, China
1 shared publication - Linfang Wei
School of Optoelectronic Engineering, Xidian University, Xi’an 710071, China
1 shared publication - Xiangchao Ma
School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, People’s Republic of China
1 shared publication - Yucheng Wang
School of Optoelectronic Engineering, Xidian University, Xi’an 710071, China
1 shared publication - Zihan Zhao
School of Optoelectronic Engineering, Xidian University, Xi’an 710071, China
1 shared publication
Latest Publications
- Open Access
- 19 May 2025
- Published by MDPI AG in Nanomaterials
- Vol. 15 (10) , 761
First-Principles Calculations of Plasmon-Induced Hot Carrier Properties of μ-Ag3Al
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.
- 19 May 2025
- Published by MDPI AG in Nanomaterials
- Vol. 15 (10) , 761
Open AccessFirst-Principles Calculations of Plasmon-Induced Hot Carrier Properties of μ-Ag3Al
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.