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Synthesis,characterization of gelatin assisted ZnO and its effective utilization of toxic azo dye degradation under direct sunlight

机译:明胶辅助ZnO的合成,其特征及其在直射下阳光下有毒氮杂染料降解的有效利用

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摘要

A highly solar active gelatin assisted ZnO (g/ZnO) was successfully synthesized by a sol-gel method. The photocatalyst was characterized by FE-SEM, HR-TEM, XRD, DRS, PL, FT-IR and Raman spectra. The prepared ZnO and g/ZnO were effectively utilized for toxic AB 1 azo dye degradation under direct sunlight. About 100% of degradation occurred with g/ZnO in a shorter time compared with prepared ZnO. The higher efficiency of g/ZnO in azo dye degradation under solar light may be due to higher visible light absorbance of g/ZnO compared with the prepared ZnO. A suitable degradation mechanism was proposed for AB 1 degradation under sunlight by g/ ZnO. The g/ZnO was found to be sable and reusable. The addition of scavengers contributes a significant decrease in the photodegradation efficiency of the catalyst.
机译:通过溶胶 - 凝胶法成功地合成了高度太阳能活性明胶辅助ZnO(G / ZnO)。 光催化剂的特征在于Fe-SEM,HR-TEM,XRD,DRS,PL,FT-IR和拉曼光谱。 在直接阳光下有效地用于有效地用于有毒AB 1 AZO染料降解的制备的ZnO和G / ZnO。 与制备的ZnO相比,在较短的时间内与G / ZnO发生约100%的降解。 在偶氮染料中的G / ZnO在太阳灯下的较高效率可能是由于与制备的ZnO相比较高的G / ZnO的光吸光度。 在G / ZnO下,提出了一种合适的降解机制,用于阳光下的AB 1降解。 发现G / ZnO是可怕和可重复使用的。 添加清除剂有助于催化剂的光降解效率显着降低。

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