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Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles
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Engineering
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JoVE Journal Engineering
Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

DOI:
10.3791/52815-v

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10:00 min

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July 05, 2016

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, ,
1School of Materials,University of Manchester

Chapters

  • 00:05Title
  • 00:52Nanoparticle Synthesis
  • 02:34TEM Sample Preparation
  • 03:25Characterization of Detector Shadowing and EDX Tomography Acquisition
  • 05:56Reconstruction and Visualization
  • 08:54Results: 3D Elemental Mapping Reveals Nanoparticle Surface Segregation
  • 09:24Conclusion

Summary

Automatic Translation

Automatic Translation

The use of energy dispersive X-ray tomography in the scanning transmission electron microscope to characterize elemental distributions within single nanoparticles in three dimensions is described.

Tags

Keywords: Energy Dispersive X-ray Tomography3D Elemental MappingNanoparticlesSilver-gold NanoparticlesGalvanic Replacement ReactionCatalysisSemiconducting Quantum DotsPVPEthylene GlycolSilver NitrateHydrogen Tetrachloroaurate TrihydrateTEM GridBerylliumMethanolEthanol

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