Controlling thermal expansion within mixed cocrystals by tuning molecular motion capability

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dc.creatorDing, Xiaodan (TTU)
dc.creatorUnruh, Daniel K. (TTU)
dc.creatorGroeneman, Ryan H.
dc.creatorHutchins, Kristin M. (TTU)
dc.date.accessioned2023-04-10T20:10:57Z
dc.date.available2023-04-10T20:10:57Z
dc.date.issued2020
dc.description© The Royal Society of Chemistry. cc-by-nc
dc.description.abstractControlling thermal expansion (TE) behaviors of organic materials is challenging because several mechanisms can govern TE, such as noncovalent interaction strength and structural motions. Here, we report the first demonstration of tuning TE within organic solids by using a mixed cocrystal approach. The mixed cocrystals contain three unique molecules, two of which are present in variable ratios. These two molecules either lack or exhibit the ability to undergo molecular motion in the solid state. Incorporation of higher ratios of motion-capable molecules results in larger, positive TE along the motion direction. Addition of a motion-incapable molecule affords solids that undergo less TE. Fine-tuned TE behavior was attained by systematically controlling the ratio of motion-capable and-incapable molecules in each solid.
dc.identifier.citationDing, X., Unruh, D.K., Groeneman, R.H., & Hutchins, K.M.. 2020. Controlling thermal expansion within mixed cocrystals by tuning molecular motion capability. Chemical Science, 11(29). https://doi.org/10.1039/d0sc02795b
dc.identifier.urihttps://doi.org/10.1039/d0sc02795b
dc.identifier.urihttps://hdl.handle.net/2346/92681
dc.language.isoeng
dc.titleControlling thermal expansion within mixed cocrystals by tuning molecular motion capability
dc.typeArticle

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