Determination of heat capacities and thermodynamic properties of Al4(OH)2(OCH3)4(H2N-BDC)3

被引：1
|
作者：
Liu, Shuang [1 ]
Sun, Li-Xian [2 ]
Liu, Lan-Tao [1 ]
Zhou, Yan-Li [1 ]
机构：
[1] Shangqiu Normal Univ, Sch Chem & Chem Engn, Shangqiu 476000, Peoples R China
[2] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guilin 541000, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2019年 / 135卷 / 06期
基金：
中国国家自然科学基金;
关键词：
CAU-1; Molar heat capacity; TG; TMDSC; METAL-ORGANIC FRAMEWORKS; DSC; CATALYSTS;
D O I：
10.1007/s10973-018-7608-x
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The molar heat capacities of one-three-dimensional metal-organic frameworks Al-4(OH)(2)(OCH3)(4)(H2N-BDC)(3) (CAU-1) were measured by temperature-modulated differential scanning calorimetry (TMDSC) over the temperature range from 213 to 393 K for the first time. No phase transition or thermal anomaly was observed in the experimental temperature range. The fundamental thermodynamic parameters such as entropy and enthalpy relative to 298.15 K were calculated based on the experimentally determined molar heat capacities. The compound was characterized by elemental analysis, powder XRD, FT-IR spectrum. Moreover, the thermal stabilities and decomposition mechanisms of hydrated phase and dehydrated phase of CAU-1 were investigated by thermogravimetric spectrometer in the temperature range 298-1023 K.
引用
收藏
页码：3233 / 3239
页数：7
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