Issue 10, 2024

Two-dimensional layered material photodetectors: what could be the upcoming downstream applications beyond prototype devices?

Abstract

With distinctive advantages spanning excellent flexibility, rich physical properties, strong electrostatic tunability, dangling-bond-free surface, and ease of integration, 2D layered materials (2DLMs) have demonstrated tremendous potential for photodetection. However, to date, most of the research enthusiasm has been merely focused on developing novel prototype devices. In the past few years, researchers have also been devoted to developing various downstream applications based on 2DLM photodetectors to contribute to promoting them from fundamental research to practical commercialization, and extensive accomplishments have been realized. In spite of the remarkable advancements, these fascinating research findings are relatively scattered. To date, there is still a lack of a systematic and profound summarization regarding this fast-evolving domain. This is not beneficial to researchers, especially researchers just entering this research field, who want to have a quick, timely, and comprehensive inspection of this fascinating domain. To address this issue, in this review, the emerging downstream applications of 2DLM photodetectors in extensive fields, including imaging, health monitoring, target tracking, optoelectronic logic operation, ultraviolet monitoring, optical communications, automatic driving, and acoustic signal detection, have been systematically summarized, with the focus on the underlying working mechanisms. At the end, the ongoing challenges of this rapidly progressing domain are identified, and the potential schemes to address them are envisioned, which aim at navigating the future exploration as well as fully exerting the pivotal roles of 2DLMs towards the practical optoelectronic industry.

Graphical abstract: Two-dimensional layered material photodetectors: what could be the upcoming downstream applications beyond prototype devices?

Article information

Article type
Review Article
Submitted
21 Apr 2024
Accepted
10 Jul 2024
First published
24 Jul 2024

Nanoscale Horiz., 2024,9, 1599-1629

Two-dimensional layered material photodetectors: what could be the upcoming downstream applications beyond prototype devices?

Y. Ma, H. Liang, X. Guan, S. Xu, M. Tao, X. Liu, Z. Zheng, J. Yao and G. Yang, Nanoscale Horiz., 2024, 9, 1599 DOI: 10.1039/D4NH00170B

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