Issue 2, 2020

2D material broadband photodetectors

Abstract

Our review provides a comprehensive overview of the latest evolution of broadband photodetectors (BBPDs) based on 2D materials (2DMs). We begin with BBPDs built on various 2DM channels, including narrow-bandgap 2DMs, 2D topological semimetals, 2D charge density wave compounds, and 2D heterojunctions. Then, we introduce defect-engineered 2DM BBPDs, including vacancy engineering, heteroatom incorporation, and interfacial engineering. Subsequently, we summarize 2DM based mixed-dimensional (0D–2D, 1D–2D, 2D–3D, and 0D–2D–3D) BBPDs. Finally, we provide several viewpoints for the future development of this burgeoning field.

Graphical abstract: 2D material broadband photodetectors

Article information

Article type
Review Article
Submitted
24 Oct 2019
Accepted
16 Nov 2019
First published
18 Nov 2019

Nanoscale, 2020,12, 454-476

2D material broadband photodetectors

J. Yao and G. Yang, Nanoscale, 2020, 12, 454 DOI: 10.1039/C9NR09070C

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