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Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation
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JoVE 杂志 化学
Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

Facile Synthesis of Colloidal Lead Halide Perovskite Nanoplatelets via Ligand-Assisted Reprecipitation

DOI:
10.3791/60114-v

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04:14 min

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October 01, 2019

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,
1Department of Chemical Engineering,Massachusetts Institute of Technology

Chapters

  • 00:05Title
  • 00:42Synthesis and Purification of Perovskite Nanoplatelets
  • 02:19Results: Representative Colloidal Perovskite Nanoplatelet Analyses
  • 03:11Conclusion

Summary

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This work demonstrates facile room-temperature synthesis of colloidal quantum-confined lead halide perovskite nanoplatelets by ligand-assisted reprecipitation method. Synthesized nanoplatelets show spectrally narrow optical features and continuous spectral tunability throughout the visible range by varying the composition and thicknesses.

Tags

Colloidal Lead Halide Perovskite NanoplateletsLigand-assisted ReprecipitationRoom Temperature SynthesisCompositional FlexibilityMethylammonium Lead BromideMethylammonium Lead IodideMixed Halide CompositionsPhotoluminescenceAbsorption SpectraTransmission Electron MicroscopyX-ray Diffraction

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