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Electrochemical property, antioxidant activities, water treatment and solar cell applications of titanium dioxide – zinc oxide hybrid nanocomposite based on graphene oxide nanosheet
Materials Science and Engineering: B ( IF 3.6 ) Pub Date : 2020-06-13 , DOI: 10.1016/j.mseb.2020.114596
Nagi M. El-Shafai , Mustafa Shukry , Ibrahim M. El-Mehasseb , Mahmoud Abdelfatah , Mohamed S. Ramadan , Abdelhamid El-Shaer , Maged El-Kemary

Antioxidant activity has been detected with the HT22 mouse Hippocampal Neuronal cell line. The photocatalytic properties, electrochemical properties and solar cell applications tests of fabricated (Titanium dioxide (TiO2) nanoparticles-Zinc oxide (ZnO) nanoparticle) hybrid nanocomposite based on Graphene oxide nanosheet (GO) have been studied with different techniques. The electrochemical properties revealed by cyclic voltammetry analysis and the photocatalytic study have been evidenced by the interaction of synthesized nanoflower composite (GO@TiO2·ZnO) with mixed dyes (MB and RhB) and, also, with mixed pesticides (Tobaz and Metalxel). Absorbance intensities of examined organic pollution compounds were considerably quenched, this degradation was recorded by using the steady-state UV–Vis spectrophotometer under visible light source. Effect of fabricated GO@TiO2·ZnO hybrid nanocomposite on the HT22 mouse Hippocampal Neuronal cell line was measured and the reducing power activity showed the potential antioxidant property of the fabricate nanocomposite. The results showed that the fabricated hybrid nanoflower composite on graphene oxide (GO) surface has high photocatalytic efficiency for degradation of mixed organic compounds, this composite has been kept the viability of HT22 cells line. The electron-hole pair recombination was evidenced by photoluminescence (PL) analysis, where the fabricated nanocomposite has high electron transfer, so, the tests of solar cell applications have been revealed and confirmed that the fabricated hybrid nanocomposite has activity towards solar cell applications.



中文翻译:

基于氧化石墨烯纳米片的二氧化钛-氧化锌杂化纳米复合材料的电化学性能,抗氧化活性,水处理和太阳能电池应用

已使用HT22小鼠海马神经元细胞系检测到抗氧化活性。以不同的技术研究了基于氧化石墨烯纳米片(GO)的二氧化钛(TiO 2)纳米颗粒-氧化锌(ZnO)纳米杂化纳米复合材料的光催化性能,电化学性能和太阳能电池应用测试。合成的纳米花复合物(GO @ TiO 2)的相互作用证明了循环伏安分析和光催化研究的电化学性能。·ZnO)与混合染料(MB和RhB),以及与混合农药(Tobaz和Metalxel)。被检查的有机污染化合物的吸光度被相当大的抑制,这种降解是通过在可见光源下使用稳态紫外可见分光光度计记录的。人造GO @ TiO 2的作用·测量了HT22小鼠海马神经元细胞系上的ZnO杂化纳米复合材料,其还原力活性表明该纳米复合材料具有潜在的抗氧化性能。结果表明,在氧化石墨烯(GO)表面制备的杂化纳米花复合材料具有较高的光催化降解有机化合物的能力,该复合材料保持了HT22细胞的活力。通过光致发光(PL)分析证明了电子-空穴对的重组,其中所制备的纳米复合材料具有较高的电子转移,因此,已经揭示了太阳能电池应用的测试,并证实了所制备的杂化纳米复合材料对太阳能电池应用具有活性。

更新日期:2020-06-13
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