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Shaken, not stirred: Berkeley lab scientists spy molecular maneuvers
Date:10/27/2011

Knowing the mechanism of sheet formation gives us a set of design rules for making these nanomaterials on a much larger scale," added Sanii.

To study how shaking affected sheet formation, the team developed a new device called the SheetRocker to gently rock a vial of peptoids from upright to horizontal and back again. This carefully controlled motion allowed the team to precisely control the process of compression on the air-water interface.

"During shaking, the monolayer of peptoids essentially compresses, pushing chains of peptoids together and squeezing them out into a nanosheet. The air-water interface essentially acts as a catalyst for producing nanosheets in 95% yield," added Zuckermann. "What's more, this process may be general for a wide variety of two-dimensional nanomaterials."


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Contact: Aditi Risbud
asrisbud@lbl.gov
510-486-4861
DOE/Lawrence Berkeley National Laboratory
Source:Eurekalert  

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