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Related Experiment Videos

Fast 'Operando' electron nanotomography.

L Roiban¹, S Li², M Aouine²

¹Univ Lyon, INSA-Lyon, Université Claude Bernard Lyon I, MATEIS, UMR5510 CNRS, Villeurbanne Cedex, France.

Journal of Microscopy

|April 11, 2017

Summary

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Rapid electron tomography enables dynamic 3D nanoscale analysis. Operando electron nanotomography captures evolving nano-objects in seconds, opening new research avenues.

Area of Science:

Materials Science
Nanotechnology
Microscopy

Background:

Electron tomography offers 3D nanoscale insights into condensed matter.
Current methods are too slow for dynamic processes, limiting analysis of evolving nano-objects.

Purpose of the Study:

To develop and demonstrate a significantly faster electron tomography technique.
To enable real-time 3D observation of dynamic nanoscale phenomena.

Main Methods:

Operando electron nanotomography utilizing image series acquired in under 230 seconds.
Application to in situ calcination of silica zeolites with silver nanoparticles.

Main Results:

Successfully reduced image acquisition time from ~15 minutes to under 4 minutes.

Keywords:

Ag nanoparticles Operando electron nanotomography environmental transmission electron microscopy (ETEM)heterogeneous catalysis in situ calcination silicates

Related Experiment Videos

Enabled kinetic environmental Operando 3D electron microscopy.

Demonstrated real-time observation of beam-sensitive samples without prior preparation.

Conclusions:

Accelerated electron tomography allows dynamic environmental studies of nanomaterials.
This technique is crucial for understanding evolving catalytic nanosystems and beam-sensitive materials.