Woven organic crystals

Linfeng Lan, Liang Li, Jianqun Qi, Xiuhong Pan, Qi Di, Panče Naumov () and Hongyu Zhang ()
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Linfeng Lan: Jilin University
Liang Li: New York University Abu Dhabi
Jianqun Qi: Jilin University
Xiuhong Pan: Jilin University
Qi Di: Jilin University
Panče Naumov: New York University Abu Dhabi
Hongyu Zhang: Jilin University

Nature Communications, 2023, vol. 14, issue 1, 1-12

Abstract: Abstract Woven architectures are prepared by physical entanglement of fibrous components to expand one-dimensional material into two-dimensional sheets with enhanced strength and resilience to wear. Here, we capitalize on the elastic properties of long organic crystals with a high aspect ratio to prepare an array of centimeter-size woven network structures. While being robust to mechanical impact, the woven patches are also elastic due to effective stress dissipation by the elasticity of the individual warp and weft crystals. The thermal stability of component crystals translates into favorable thermoelastic properties of the porous woven structures, where the network remains elastic over a range of 300 K. By providing means for physical entanglement of organic crystals, the weaving circumvents the natural limitation of the small size of slender organic crystals that is determined by their natural growth, thereby expanding the prospects for applications of organic crystals from one-dimensional entities to expandable, two-dimensional robust structures.

Date: 2023
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DOI: 10.1038/s41467-023-43084-7

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