Jan 2, 2025A family of organic ionicplasticcrystals undergo an order-disorder transition under an applied pressure at subambient temperatures. This solid-state phase transition can provide cooling at operation temperatures that are relevant to many residential and industrial applications.
Jan 2, 2025An organic ionicplasticcrystal commonly con-sists of two small or globular organic molecules a cationic and an anionic linked by weak ionic forces. The mate-rial undergoes a disorder-to-order solid phase transition when an external pressure is applied see the figure, re-leasing heat to the surround-ing environment.
Jan 2, 2025Barocaloric materials can cool by pushing a solid through a phase transition with pressure, which presents an alternative to vapor-compression strategies. Piper et al. show that organic ionicplasticcrystalsare potentially attractive barocaloric materials (see the Perspective by Tamarit and Lloveras).
Jan 3, 2025Investigations into the synthesis and utilisation of organic ionicplasticcrystals have made significant progress in recent years, driven by a continued need for high conductivity solid state…
Materials commonly used in batteries can exchange large amounts of heat with the atmosphere when they undergo a pressure-induced phase transition. The effect might mean that organic ionic ...
Jan 3, 2025The idea involves the use of "plastic crystals"—so named because once they are grown, their molecules can move under certain conditions. Prior research had shown that when pressurized, the molecules in organic ioniccrystals move from a disorganized state to a neat grid configuration.
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Jan 2, 2025Barocaloric (BC) materials offer the potential for highly energy-efficient refrigeration by generating heat absorption through the effect of pressure on a solid-solid phase transition. However, very few of the known materials have the required phase transition in the temperature regions necessary for domestic refrigeration or air conditioning. We introduce organic ionicplasticcrystals (OIPCs ...
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