Topic
Thermal decomposition
About: Thermal decomposition is a research topic. Over the lifetime, 34363 publications have been published within this topic receiving 573658 citations. The topic is also known as: thermolysis.
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TL;DR: In this paper, a thermal gravimetric and differential thermal analysis (TG-DTA) coupled with quadrupole mass spectrometry (MS) and first principles calculations were employed to elucidate the chemical nature of released gases during the thermal decomposition of CH3NH3PbI3.
Abstract: Thermal gravimetric and differential thermal analysis (TG-DTA) coupled with quadrupole mass spectrometry (MS) and first principles calculations were employed to elucidate the chemical nature of released gases during the thermal decomposition of CH3NH3PbI3. In contrast to the common wisdom that CH3NH3PbI3 is decomposed into CH3NH2 and HI, the major gases were methyliodide (CH3I) and ammonia (NH3). We anticipate that our findings will provide new insights into further formulations of the perovskite active material and device design that can prevent methylammonium decomposition and thus increase the long-term stability of perovskite-based optoelectronic devices.
563 citations
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TL;DR: In this article, the thermal stability of 66 ionic liquids (ILs) was investigated using the thermogravimetric analysis (TGA) method, and the thermal decomposition kinetics of ILs were analyzed using pseudo-zero-order rate expression and their activation energy was obtained.
Abstract: The thermal stabilities of 66 ionic liquids (ILs) were investigated using the thermogravimetric analysis (TGA) method. Isothermal TGA studies on the ILs showed that ILs exhibit decomposition at temperatures lower than the onset decomposition temperature (Tonset), which is determined from ramped temperature TGA experiments. Thermal decomposition kinetics of ILs was analyzed using pseudo-zero-order rate expression and their activation energy was obtained. Parameter T0.01/10h, the temperature at which 1% mass loss occurs in 10 h, was used to evaluate the long-term thermal stability of ILs. The thermal stability of the ILs was classified to five levels according to Tonset. The ILs thermal stability is dependent on the structure of ILs, i.e., cation modification, cation and anion type. The correlations between the stability and the hydrophilicity of ILs were discussed. Finally, the thermal stabilities of acetate-based ILs, amino acid ILs, and dicyanamide ILs were analyzed.
556 citations
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TL;DR: The thermal decomposition of a number of anionic clay minerals belonging to the pyroaurites-jogrenite group, such as hydrotalcite (Mg6Al2(OH)16(CO2−3) · 4H2O), results in a product (approximately Mg 6Al2O8(OH−)2) which is a fairly strong base (pKa ≤ 35) and a useful catalyst for vapor-phase aldol condensations as discussed by the authors.
550 citations
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TL;DR: In this paper, the slow pyrolysis of biomass in the form of pine wood was investigated in a static batch reactor at pyrolysisation temperatures from 300 to 720°C and heating rates from 5 to 80 K min−1.
549 citations
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TL;DR: In this article, the thermal decomposition of biologically degradable polymer poly(lactic acid) (PLA) was investigated by means of several thermoanalytical techniques: thermogravimetric, differential scanning calorimetry, time resolved pyrolysis-MS and pyrolynsis-GC/MS.
532 citations