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Optimized COP for the 606 molecule pairs as a function of the enthalpy of vaporization of species B hevap,B and the difference between the saturation pressure of species B at evaporation temperature and the saturation pressure of species A at cell temperature Δppf. Promising candidates with a COP greater than 4.0 are colored in green tones, and less promising pairs (COP < 4.0) are colored in purple tones.
