Journal
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s13738-023-02850-6
Keywords
ZIF-8; ZnO; C; Composite materials; Photocatalytic property
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ZIF-8 was successfully synthesized using zinc nitrate hexahydrate and 2-methylimidazole, and then converted to ZnO/C composite through pyrolysis and calcination. The structure and morphology of the samples were characterized by XRD, FT-IR, and SEM. The results showed that ZnO/C retained the hexagonal polyhedron morphology of ZIF-8 and possessed a porous structure. The improved catalytic performance of ZnO/C was attributed to the synergistic effect of ZnO and the porous carbon skeleton.
Using zinc nitrate hexahydrate and 2-methylimidazole as raw materials, ZIF-8 was successfully prepared in the methanol solvent. Through the stepwise strategies of pyrolysis and calcination at different temperatures and atmospheres, the desired product of ZnO/C composite was obtained. The techniques of XRD, FT-IR and SEM were used to determine the structure and morphology of samples, respectively. The results showed that ZnO/C composite retained the hexagonal polyhedron morphology of ZIF-8 and constructed a porous structure. And, the photocatalytic degradation of methylene blue solution was carried out using ZnO/C and referenced ZnO as catalysts, respectively. The results declared that the improved catalytic property of ZnO/C composite benefited from the synergistic effect of ZnO and porous carbon skeleton. The excellent degradation ability of ZnO/C was achieved. This work provided a facile way to develop ZnO-based photocatalysts with the desired photocatalytic performance.
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