fig6

Figure 6. Dependence of phases of liquid crystals and additives (e.g., nanomaterials) in liquid crystals on the thermal conductivity. Thermal conductivity as a function of temperature for homeotropic (k_┴, red dots) and planar (k_||, black dots) configurations of the (A) 5CB (the vertical line is the nematic-to-isotropic transition line, T_NI = 35.17 °C), and (B) 9CB molecules. (A) Reproduced with permission from ref.^[130]. Copyright (1994) by the American Chemical Society. (B) Reproduced with permission from ref.^[131]. Copyright (1998) by the American Chemical Society. (C) Thermal conductivity of dimeric coumarin liquid crystals. (D) Thermal conductivity of dimeric coumarin liquid crystal (carbon no. in R = 14) mixed with alumina (Al₂O₃) nanoparticles and boron nitride (BN) nanosheets. Reprinted from ref.^[132], Copyright (2023), with permission from Elsevier.