High performance self-driven broadband photodetector for polarized imaging based on novel ZrS3/ReSe2 van der Waals heterojunction

被引：0
|
作者：
Huang, Lingqi [1 ]
Li, Peipei [1 ]
Feng, Chao [1 ]
Zhang, Jing [1 ]
Zhao, Liyun [1 ]
Sun, Jie [1 ]
Du, Changhui [1 ]
Wang, Wenjia [1 ]
Li, Kuilong [1 ]
机构：
[1] International School for Optoelectronic Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan,250353, China
来源：
Materials Today Nano | 2024年 / 28卷
关键词：
The distinctive characteristics of anisotropic two-dimensional (2D) materials; including in-plane anisotropy of optical absorption and carrier mobility; render them exceptionally suitable for application in the field of polarization detection and as a novel platform for the polarization imaging. Meanwhile; the consolidation of diverse functionalities within a single photodetector is highly anticipated to meet the demands of some special scenarios. Herein; a novel ZrS3/ReSe2 van der Waals (vdWs) heterostructure device was successfully constructed to realize polarization-sensitive; self-powered; and broadband photodetection and imaging. Owing to the built-in electric field of the type-II band alignment within the heterojunction; the device achieves a self-powered photoresponse ranging from 300 to 980 nm; an ultralow dark currentt ∼1 pA; and a commendable rise/decay time of 0.35/0.28 ms. Additionally; it has been demonstrated that the self-driven photodetector possesses a polarization-sensitivity with a notable anisotropic ratio about 2.02 (1.98) under 490 nm (980 nm) light illumination with zero bias; coupled with an excellent repeatability and stability. Furthermore; we also demonstrate the polarization imaging capabilities of the device in visible and near-infrared spectrum; realizing a contrast-enhanced degree of linear polarization imaging. This work paves a new platform to develop heterojunction photodetectors for high performance polarization-sensitive photodetection and next-generation polarized imaging. © 2024 Elsevier Ltd;
D O I：
10.1016/j.mtnano.2024.100527
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