Recent advances in experimental thermodynamics of metal–organic frameworks

Recent advances in experimental thermodynamics of metal–organic frameworks
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DOI:
10.1017/s0885715619000782
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发表时间:
2019-12
期刊:
影响因子:
0.5
通讯作者:
Hui Sun;Di Wu
Hui Sun;Di Wu
中科院分区:
材料科学4区
文献类型:
--
作者:
Hui Sun;Di Wu

文献摘要

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这篇简短的综述总结了金属有机框架(MOF)实验热力学的最新进展。利用机械化学、近室温溶液量热法和低温热容测量的发展,通过综合量热和计算方法,对具有真正多晶型[Zn(MeIm)2、Zn(EtIm)2和Zn(CF3Im)2]作为骨架拓扑变化的MOFs的能量图谱、熵趋势和吉布斯自由能演化进行了深入的探索。此外,还确定了具有超高孔隙率(MOF-177和UMCM-1)和最简单结构(金属甲酸盐)的MOF的形成焓。下面总结的研究强调了确定 MOF 热力学参数时相互关联的成分、化学和拓扑(结构)因素之间复杂的相互作用。
This mini review summarizes recent advances in experimental thermodynamics of metal–organic frameworks (MOFs). Taking advantage of the development in mechanochemistry, near-room temperature solution calorimetry, and low-temperature heat capacity measurements, the energetic landscape, entropy trends, and Gibbs free energy evolutions of MOFs with true polymorphism [Zn(MeIm)2, Zn(EtIm)2, and Zn(CF3Im)2] as framework topology varies were thoroughly explored by integrated calorimetric and computational methodologies. In addition, the formation enthalpies of MOFs with ultrahigh porosity (MOF-177 and UMCM-1) and the simplest structure (metal formates) have been determined. The studies summarized below highlight the complex interplays among interrelated compositional, chemical, and topological (structural) factors in the determination of the thermodynamic parameters of MOFs.