Thermodynamic analysis of nucleation during pyrolysis process of aluminum chloride solution

As the core technology of "double-cycle method," the nucleation thermodynamics of alumina prepared by pyrolysis of aluminum chloride solution was studied. First, thermogravimetric analysis of crystalline aluminum chloride was investigated. Second, the thermodynamics of the main reaction in...

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Bibliographic Details
Published in:MRS communications 2021-10, Vol.11 (5), p.679-684
Main Authors: Zhao, Ai-Chun, Zhang, Ting-An, Lv, Guo-Zhi
Format: Article
Language:English
Subjects:
Biomaterials
Characterization and Evaluation of Materials
Chemistry and Materials Science
Materials Engineering
Materials Science
Nanotechnology
Polymer Sciences
Research Letter
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Summary:As the core technology of "double-cycle method," the nucleation thermodynamics of alumina prepared by pyrolysis of aluminum chloride solution was studied. First, thermogravimetric analysis of crystalline aluminum chloride was investigated. Second, the thermodynamics of the main reaction in the reaction temperature range was studied. Finally, the nucleation work and critical nucleation radius were studied. The result indicates the pyrolysis temperature of the reaction is about 600°C and the main reaction can be carried out within the studied temperature range. The nucleation work and critical nucleation radius are sensitive to temperature and gas supersaturation. Graphic abstract
ISSN:2159-6859
2159-6867
DOI:10.1557/s43579-021-00075-3