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Mid-Infrared Optoelectronic Devices Based on Two-Dimensional Materials beyond Graphene: Status and Trends.

Rui Cao1, Sidi Fan1, Peng Yin2

  • 1Institute of Microscale Optoelectronics, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.

Nanomaterials (Basel, Switzerland)
|July 9, 2022
PubMed
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Exploring beyond graphene, this study highlights advanced 2D materials for mid-infrared (MIR) optoelectronics. These materials offer enhanced optical properties for next-generation MIR devices like photodetectors and modulators.

Area of Science:

  • Materials Science
  • Optoelectronics
  • Nanotechnology

Background:

  • Graphene's limitations (weak absorption, zero bandgap) hinder optoelectronic applications.
  • Emerging 2D materials (BP, TMDCs, Te) offer tunable bandgaps and broadband absorption.
  • The mid-infrared (MIR) spectrum is crucial for applications like sensing and night vision.

Purpose of the Study:

  • To review recent advancements in semiconducting 2D materials for MIR optoelectronic devices.
  • To highlight their potential in light emission devices, modulators, and photodetectors.
  • To discuss challenges and future prospects in this field.

Main Methods:

  • Literature review of recent research on 2D materials for MIR optoelectronics.
  • Analysis of material properties relevant to MIR device performance.
Keywords:
mid-infraredmodulatorphotodetectorstwo-dimensional materials

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  • Synthesis of findings on device applications and future trends.

    • Main Results:

    • Semiconducting 2D materials show promise for MIR optoelectronic devices beyond graphene.
    • These materials exhibit tunable bandgaps, high carrier mobility, and broad optical absorption.
    • Progress is noted in 2D material-based MIR light emitters, modulators, and photodetectors.

    Conclusions:

    • Advanced 2D materials are key for next-generation MIR optoelectronic devices.
    • Further research is expected to overcome current challenges.
    • Commercialization of 2D material-based nano devices is anticipated.