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Colloidal Systems: Juniorprofessor Dr. Anna Schenk

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Publication on strain-induced self-rolling of basic cobalt carbonate sheets in Chemical Communications

24th June 2021

Congrats to Viktoria Grün on the publication of her paper investigating the drying-induced self-folding of interface-derived mineral sheets!

Polyethyleneimine aids the gas diffusion precipitation of nano-structured basic cobalt carbonate sheets at the air/solution interface. Upon drying, these mineral films undergo self-rolling into 3D coiled structures. Exploring this principle for the design of self-supported functional materials, porous Co3O4 spirals composed of interconnected nanoparticles are obtained by thermal conversion.

For more information on these fascinating spiral structures see here.

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