Thermal decompositions and heat capacities study of a co-based zeolitic imidazolate framework

Zeolitic imidazolate frameworks (ZIFs), a sub-class of metal–organic frameworks, have also been intensively investigated in many fields because of the excellent thermal stability. However, the thermal decomposition and heat capacity of ZIFs were little studied. ZIF-67 was very classical which has be...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2020-10, Vol.142 (2), p.891-898
Main Authors: Luo, Yumei, Cui, Weiwei, Zou, Yongjin, Chu, Hailiang, Xu, Fen, Sun, Lixian
Format: Article
Language:English
Subjects:
Analytical Chemistry
Carbon dioxide
Carbon sequestration
Chemistry
Chemistry and Materials Science
Energy storage
Gas separation
Heat
Inorganic Chemistry
Measurement Science and Instrumentation
Metal-organic frameworks
Physical Chemistry
Polymer Sciences
Specific heat
Thermal decomposition
Thermal stability
Thermodynamics
Zeolites
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Summary:Zeolitic imidazolate frameworks (ZIFs), a sub-class of metal–organic frameworks, have also been intensively investigated in many fields because of the excellent thermal stability. However, the thermal decomposition and heat capacity of ZIFs were little studied. ZIF-67 was very classical which has been widely used for CO 2 capture and gas separation, and its derivatives were widely applied in energy storage and conversion. Herein, the thermal decomposition process of ZIF-67 and its intermediates were studied. Moreover, the molar heat capacity and the thermodynamic functions of ZIF-67 were explored for the first time. The molar heat capacity increased as the temperature increased in the temperature range of 296–352 K.
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-020-09258-x