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Dr. Nejc Hodnik
Former member

Electrochemical in-situ TEM

Header image 1425295099

Electrochemical in-situ TEM

In this project we plan to utilize advanced electrochemical characterization in-situ water-based TEM technique gaining valuable insights in to potential- and time-dependent electrochemical processes occulting on energy conversion materials in their native environment with nanometer resolution. It will enable us to obtain the necessary insights and breakthroughs related to for instance corrosion of platinum based nanoparticles. This project is done in collaboration with the department of Structure and Nano-/ Micromechanics of Materials.

The header picture shows an example of our preliminary study: Snapshots of dealloying of PtCu3 nanoparticles in 0.1 M HClO4 and subsequent copper beam induced redeposition. Big particle is 200 nm in diameter.

Commercial Poseidon 510 (Protochips) system.

Commercial Poseidon 510 (Protochips) system.

 
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