Bistable and photoswitchable states of matter

Brady T. Worrell; Matthew K. McBride; Gayla B. Lyon; Lewis M. Cox; Chen Wang; Sudheendran Mavila; Chern Hooi Lim; Hannah M. Coley; Charles B. Musgrave; Yifu Ding; Christopher N. Bowman

doi:10.1038/s41467-018-05300-7

Bistable and photoswitchable states of matter

Brady T. Worrell, Matthew K. McBride, Gayla B. Lyon, Lewis M. Cox, Chen Wang, Sudheendran Mavila, Chern Hooi Lim, Hannah M. Coley, Charles B. Musgrave, Yifu Ding, Christopher N. Bowman

Research output: Contribution to journal › Article › peer-review

117 Scopus citations

Abstract

Classical materials readily switch phases (solid to fluid or fluid to gas) upon changes in pressure or heat; however, subsequent reversion of the stimulus returns the material to their original phase. Covalently cross-linked polymer networks, which are solids that do not flow when strained, do not change phase even upon changes in temperature and pressure. However, upon the addition of dynamic cross-links, they become stimuli responsive, capable of switching phase from solid to fluid, but quickly returning to the solid state once the stimulus is removed. Reported here is the first material capable of a bistable switching of phase. A permanent solid to fluid transition or vice versa is demonstrated at room temperature, with inherent, spatiotemporal control over this switch in either direction triggered by exposure to light.

Original language	English
Article number	2804
Journal	Nature Communications
Volume	9
Issue number	1
DOIs	https://doi.org/10.1038/s41467-018-05300-7
State	Published - 1 Dec 2018
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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10.1038/s41467-018-05300-7

Cite this

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abstract = "Classical materials readily switch phases (solid to fluid or fluid to gas) upon changes in pressure or heat; however, subsequent reversion of the stimulus returns the material to their original phase. Covalently cross-linked polymer networks, which are solids that do not flow when strained, do not change phase even upon changes in temperature and pressure. However, upon the addition of dynamic cross-links, they become stimuli responsive, capable of switching phase from solid to fluid, but quickly returning to the solid state once the stimulus is removed. Reported here is the first material capable of a bistable switching of phase. A permanent solid to fluid transition or vice versa is demonstrated at room temperature, with inherent, spatiotemporal control over this switch in either direction triggered by exposure to light.",

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AU - Worrell, Brady T.

AU - McBride, Matthew K.

AU - Lyon, Gayla B.

AU - Cox, Lewis M.

AU - Wang, Chen

AU - Mavila, Sudheendran

AU - Lim, Chern Hooi

AU - Coley, Hannah M.

AU - Musgrave, Charles B.

AU - Ding, Yifu

AU - Bowman, Christopher N.

PY - 2018/12/1

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AB - Classical materials readily switch phases (solid to fluid or fluid to gas) upon changes in pressure or heat; however, subsequent reversion of the stimulus returns the material to their original phase. Covalently cross-linked polymer networks, which are solids that do not flow when strained, do not change phase even upon changes in temperature and pressure. However, upon the addition of dynamic cross-links, they become stimuli responsive, capable of switching phase from solid to fluid, but quickly returning to the solid state once the stimulus is removed. Reported here is the first material capable of a bistable switching of phase. A permanent solid to fluid transition or vice versa is demonstrated at room temperature, with inherent, spatiotemporal control over this switch in either direction triggered by exposure to light.

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Bistable and photoswitchable states of matter

Abstract

ASJC Scopus subject areas

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