INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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Effect of Bi-functional Complexing Agent on Properties of Aluminum Doped Zinc Oxide in Sol-Gel-Combustion Method |
KONG Deru1, LIU Jing2,*, YANG Xiaolin1, SUN Donglan1, ZHANG Jinkang1
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1 Faculty of Science, Tianjin University of Science and Technology, Tianjin 300457, China 2 School of Chemical Engineering and Materials, Tianjin University of Science and Technology, Tianjin 300457, China |
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Abstract In this work, (002) oriented aluminum-doped zinc oxide (AZO) powder had been prepared with different bi-functional complexing agents—ethanolamine (MEA), citric acid (CA), or acetylacetone (ACAC) via the sol-gel-combustion method. X-ray powder diffraction (XRD), scanning electron microscope (SEM), UV-Vis spectroscope (UV-Vis) and photoluminescence spectroscope (PL) were applied to characterize the phase structure, morphology, and optical properties of the AZO prepared. Furthermore, these AZO powders were evaluated in the photocatalytic degradation of methylene blue solution (MB). The results showed that when different complexing agents were used, all powder products had the same pure phase structures of AZO with preferred orientation along the (002) direction;the AZO powder prepared with ACAC as the complexing agent demonstrated spherical particles with a particle of 27.8 nm, a bandgap width of 3.129 eV, and it's photoluminescence intensity was superior to the other two powders. It's efficiency of MB degradation solution could reach 98%.
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Published: 10 January 2025
Online: 2025-01-10
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