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Fabrication of polymer and carbon polyhedra through controlled cross-linking and capillary deformations

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Abstract

Fabrication of polymer polyhedral structures is achieved by first producing origami sheets with dissimilar stiffness levels at their folds and faces via multi-step photolithography. Subsequent capillary folding of the sheets towards permanently folded target shapes is realized by thermally controlling, simultaneously, the compliance of the sheets and the volume of the deposited droplets. This fabrication method allows us to create millimeter and sub-millimeter polyhedral structures with arbitrary levels of folding, to manufacture permanently folded polymer polyhedra using single-material monolayer sheets, and to produce carbon shapes from these carbon-rich polymer polyhedra through pyrolysis.

Graphical abstract: Fabrication of polymer and carbon polyhedra through controlled cross-linking and capillary deformations

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Publication details

The article was received on 12 Jul 2019, accepted on 04 Nov 2019 and first published on 05 Nov 2019


Article type: Communication
DOI: 10.1039/C9SM01410A
Soft Matter, 2019, Advance Article

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    Fabrication of polymer and carbon polyhedra through controlled cross-linking and capillary deformations

    D. George, E. A. Peraza Hernandez, R. C. Lo and M. Madou, Soft Matter, 2019, Advance Article , DOI: 10.1039/C9SM01410A

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