Understanding the (ultra-small) structure of silicon nanocrystals
New research provides insight into the structure of silicon nanocrystals, a substance that promises to provide efficient lithium ion batteries that power your phone to medical imaging on the nanoscale.
The research was conducted by a team of University of Alberta chemists, lead by two PhD students in the Department of Chemistry, Alyx Thiessen and Michelle Ha.
“Silicon nanocrystals are important components for a lot of modern technology, including lithium ion batteries,” said, Thiessen, who is studying with Professor Jonathan Veinot. “The more we know about their structure, the more we’ll understand about how they work and how they can be used for various applications.”
“Using the DNP technology, we were able to show that larger silicon nanocrystals have a layered structure that is disordered on the surface, with a crystalline core that is separated by a middle layer,” explained Ha, who is studying under the supervision of Assistant Professor Vladimir Michaelis. “This is the first time this has been documented in silicon nanocrystals.”
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