Synthesis and thermal annealing of plumbonacrite layers deposited by chemical bath technique
| Autor: | R. Ochoa-Landín, Santos Jesús Castillo, R. Ramírez-Bon, L. P. Ramírez-Rodríguez, T. Mendivil-Reynoso |
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| Rok vydání: | 2020 |
| Předmět: |
Diffraction
Materials science Annealing (metallurgy) Lead carbonate 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Structural evolution 0104 chemical sciences symbols.namesake chemistry.chemical_compound Chemical engineering chemistry Mechanics of Materials Thermal Materials Chemistry symbols General Materials Science Electronic microscopy 0210 nano-technology Raman spectroscopy Chemical bath deposition |
| Zdroj: | Materials Today Communications. 25:101676 |
| ISSN: | 2352-4928 |
| DOI: | 10.1016/j.mtcomm.2020.101676 |
| Popis: | At this research, we analyzed the structural evolution, as well as the surface morphology changes, produced by thermal annealing on plumbonacrite layers obtained by the chemical bath deposition technique. For that, several replicas of chemically deposited plumbonacrite layers were thermal annealed in open-air atmosphere at the temperatures of 100, 200, 300, 400 and 500 °C, always for 30 min. The as-grown and thermal annealed plumbonacrite samples were studied by X-ray diffraction and Raman spectroscopy to identify the crystalline phases induced by the thermal annealing, beginning from hexagonal plumbonacrite, presenting modifications until convert into hydrocerussite, and finally at 500 °C, it is obtained a mixture of phases containing lead oxides. Scanning Electronic Microscopy images showed the evolution of the surface morphology. The results show that plumbonacrite transforms into hydrocerussite at an annealing temperature of 300−400 °C and to a combination of lead carbonate at 500 °C. |
| Databáze: | OpenAIRE |
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