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Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol
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JoVE Journal Engineering
Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol

DOI:
10.3791/54806-v

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10:41 min

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December 20, 2016

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, , , , , ,
1Chair of Applied Physical Chemistry,Ruprecht-Karls University Heidelberg, 2School of Physics and CRANN,Trinity College Dublin

Chapters

  • 00:05Title
  • 01:00Liquid Exfoliation — Preparation of Suitable Stock Dispersions
  • 02:32Nanosheet Size Selection by Liquid Cascade Centrifugation
  • 03:22Determination of Nanosheet Size and Thickness by Statistical Microscopy
  • 05:41Determination of MoS2 and WS2 Size and Thickness Based on Extinction Spectra
  • 07:27Results: Preparation and Characterization of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets
  • 09:19Conclusion

Summary

Automatic Translation

Automatic Translation

A protocol for the liquid exfoliation of layered materials to nanosheets, their size selection and size measurement by microscopic and spectroscopic techniques is presented.

Tags

Keywords: Transition Metal DichalcogenideTMDNanosheetsLiquid ExfoliationSize ControlThickness ControlCharacterizationExtinction SpectraSonicationCentrifugationSurfactantSodium Cholate

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