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- Title
Heat capacities and thermodynamic properties of a novel mixed-ligands MOFs.
- Authors
Song, Li-Fang; Jiang, Chun-Hong; Zhang, Jian; Sun, Li-Xian; Xu, Fen; You, Wan-Sheng; Zhao, Yi; Zhang, Zhi-Heng; Wang, Mei-Han; Sawada, Yutake; Cao, Zhong; Zeng, Ju-Lan
- Abstract
A novel metal-organic frameworks [Cu2(OH)(2,2′-bpy)2(BTC) · 2H2O]n (CuMOF, BTC = benzene-1,3,5-tricarboxylic acid, 2,2′-bpy = 2,2′-bipyridine) has been synthesized hydrothermally and characterized by single crystal XRD, FT-IR spectra. The low-temperature molar heat capacities were measured by temperature modulated differential scanning calorimetry (TMDSC) for the first time. The thermodynamic parameters such as entropy and enthalpy relative to reference temperature 298.15 K were derived based on the above molar heat capacity data. Moreover, the thermal stability and the decomposition mechanism of CuMOF were investigated by TG-MS (thermogravimetry-mass spectrometer). A four-stage mass loss was observed in the TG curve. MS curve indicated that the gas products for oxidative degradation of CuMOF were H2O, CO2, NO and NO2.
- Publication
Journal of Thermal Analysis & Calorimetry, 2010, Vol 100, Issue 2, p679
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-009-0207-0