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Related Concept Videos

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  11. Thickness- And Wavelength-dependent Nonlinear Optical Absorption In 2d Layered Mxene Films.
  1. Home
  3. Research Domains
  5. Engineering
  7. Materials Engineering
  9. Wearable Materials
  11. Thickness- And Wavelength-dependent Nonlinear Optical Absorption In 2d Layered Mxene Films.

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Thickness- and Wavelength-Dependent Nonlinear Optical Absorption in 2D Layered MXene Films.

Di Jin1,2, Wenbo Liu1, Linnan Jia1,3

  • 1Optical Sciences Centre Swinburne University of Technology Hawthorn 3122 Victoria Australia.

Small Science
|April 11, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

This study explores the nonlinear optical absorption of 2D Ti3C2Tx MXene films. The material exhibits tunable absorption from reverse saturable to saturable behavior, showing potential for photonic devices.

Keywords:
2D materialsMXenesZ‐scan techniquenonlinear optics

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Area of Science:

  • Materials Science
  • Optics and Photonics
  • Nanotechnology

Background:

  • MXenes are a rapidly expanding family of 2D materials with significant research interest.
  • Nonlinear optical absorption (NOA) is crucial for advanced photonic applications.
  • Ti3C2Tx MXene films offer tunable properties for optoelectronic devices.

Purpose of the Study:

  • To investigate the nonlinear optical absorption (NOA) properties of Ti3C2Tx MXene films.
  • To explore the layer-dependent and power-dependent NOA behavior.
  • To assess the potential of MXene films in nonlinear photonic devices.

Main Methods:

  • Developed a transfer-free, layer-by-layer film coating method for MXene films.
  • Utilized the Z-scan technique to characterize NOA at ~800 nm.
on‐chip integrations
  • Integrated MXene films onto silicon nitride waveguides for characterization at ~1550 nm.

    • Main Results:

    • Ti3C2Tx MXene films exhibit strong, layer-dependent NOA.
    • NOA transitioned from reverse saturable absorption (RSA) to saturable absorption (SA) as layer number increased from 5 to 30 at ~800 nm.
    • Nonlinear absorption coefficient (β) varied significantly, showing power-dependent trends and different behavior at ~1550 nm.

    Conclusions:

    • 2D Ti3C2Tx MXene films possess intriguing and tunable nonlinear optical properties.
    • The layer-dependent NOA behavior highlights their versatility for photonic applications.
    • MXene films show promise for implementing high-performance nonlinear photonic devices.