The thermotropic phase transitions layer compound in the perovskite type （n-C）10)H)21)NH3)2ZnCl4 and （n-C）18)H)37)NH3)2ZnCl4 were synthesized and, at the same time, a series of mixtures C10Zn/C18Zn were prepared. ...The thermotropic phase transitions layer compound in the perovskite type （n-C）10)H)21)NH3)2ZnCl4 and （n-C）18)H)37)NH3)2ZnCl4 were synthesized and, at the same time, a series of mixtures C10Zn/C18Zn were prepared. The experimental binary phase diagram of C10Zn/C18Zn was established by means of differential scanning calorimetry （DSC） and X-ray diffraction. In the phase diagram, compound （n-C）10)H)21)NH3)（n-C）21)H)37)NH3)ZnCl4 and two eutectoid invariants were observed; two eutectoid temperatures are about 53 ℃ and 58 ℃. Contrasting with other similar systems, there are three noticeable solid solution ranges at the left and right boundary and middle of the phase diagram.展开更多
The solid-solid phase transitions in the perovskite type layer materials(n-C_(12)H_(25)NH_3)_2ZnCl_4 (C_(12)Zn) and (n-C_(18)H_(37)NH_3)_2ZnCl_4 (C_(18)Zn) that are onekind of potential thermal storage material, were ...The solid-solid phase transitions in the perovskite type layer materials(n-C_(12)H_(25)NH_3)_2ZnCl_4 (C_(12)Zn) and (n-C_(18)H_(37)NH_3)_2ZnCl_4 (C_(18)Zn) that are onekind of potential thermal storage material, were synthesized and, at the same time, a series oftheir mixtures C_(12)Zn/C_(18)Zn were prepared. The experimental binary phase diagram ofC_(12)Zn/C_(18)Zn was established by means of differential scanning calorimetry (DSC) and X-raydiffraction. In the phase diagram a stable solid compound(n-C_(12)H_(25)NH_3)(n-C_(18)H_(37)NH_3)ZnCl_4(C_(12)C_(18)Zn) and two eutectoid invariants wereobserved. It is noticeable that the phase diagram contains solid solution ranges.dodecylammonium展开更多
文摘The thermotropic phase transitions layer compound in the perovskite type （n-C）10)H)21)NH3)2ZnCl4 and （n-C）18)H)37)NH3)2ZnCl4 were synthesized and, at the same time, a series of mixtures C10Zn/C18Zn were prepared. The experimental binary phase diagram of C10Zn/C18Zn was established by means of differential scanning calorimetry （DSC） and X-ray diffraction. In the phase diagram, compound （n-C）10)H)21)NH3)（n-C）21)H)37)NH3)ZnCl4 and two eutectoid invariants were observed; two eutectoid temperatures are about 53 ℃ and 58 ℃. Contrasting with other similar systems, there are three noticeable solid solution ranges at the left and right boundary and middle of the phase diagram.
基金This work was financially supported by the National Natural Science Foundation of China (No.50074003) the Hebei Natural Science Foundation of China (202139).]
文摘The solid-solid phase transitions in the perovskite type layer materials(n-C_(12)H_(25)NH_3)_2ZnCl_4 (C_(12)Zn) and (n-C_(18)H_(37)NH_3)_2ZnCl_4 (C_(18)Zn) that are onekind of potential thermal storage material, were synthesized and, at the same time, a series oftheir mixtures C_(12)Zn/C_(18)Zn were prepared. The experimental binary phase diagram ofC_(12)Zn/C_(18)Zn was established by means of differential scanning calorimetry (DSC) and X-raydiffraction. In the phase diagram a stable solid compound(n-C_(12)H_(25)NH_3)(n-C_(18)H_(37)NH_3)ZnCl_4(C_(12)C_(18)Zn) and two eutectoid invariants wereobserved. It is noticeable that the phase diagram contains solid solution ranges.dodecylammonium
