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Keywords = DSC-TG-FTIR-MS quadruple technology

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10 pages, 2483 KB  
Article
Comparative Thermal Research on Energetic Molecular Perovskite Structures
by Jing Zhou, Junlin Zhang, Shaoli Chen, Fengqi Zhao, Lili Qiu, Zihui Meng, Li Ding, Bozhou Wang and Qing Pan
Molecules 2022, 27(3), 805; https://doi.org/10.3390/molecules27030805 - 26 Jan 2022
Cited by 17 | Viewed by 3440
Abstract
Molecular perovskites are promising practicable energetic materials with easy access and outstanding performances. Herein, we reported the first comparative thermal research on energetic molecular perovskite structures of (C6H14N2)[NH4(ClO4)3], (C6H [...] Read more.
Molecular perovskites are promising practicable energetic materials with easy access and outstanding performances. Herein, we reported the first comparative thermal research on energetic molecular perovskite structures of (C6H14N2)[NH4(ClO4)3], (C6H14N2)[Na(ClO4)3], and (C6H14ON2)[NH4(ClO4)3] through both calculation and experimental methods with different heating rates such as 2, 5, 10, and 20 °C/min. The peak temperature of thermal decompositions of (C6H14ON2)[NH4(ClO4)3] and (C6H14N2) [Na(ClO4)3] were 384 and 354 °C at the heating rate of 10 °C/min, which are lower than that of (C6H14N2)[NH4(ClO4)3] (401 °C). The choice of organic component with larger molecular volume, as well as the replacement of ammonium cation by alkali cation weakened the cubic cage skeletons; meanwhile, corresponding kinetic parameters were calculated with thermokinetics software. The synergistic catalysis thermal decomposition mechanisms of the molecular perovskites were also investigated based on condensed-phase thermolysis/Fourier-transform infrared spectroscopy method and DSC-TG-FTIR-MS quadruple technology at different temperatures. Full article
(This article belongs to the Special Issue Promising High-Energy-Density Materials)
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