Y-PTC金属有机骨架光催化降解亚甲基蓝和甲基橙

A. Adawiah, Muhammad Derry Luthfi Yudhi, A. Zulys
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引用次数: 4

摘要

以苝为连接体,钇为金属离子,采用溶剂热法合成了钇基金属有机骨架(MOF)Y-PTC。本研究旨在评估四羧酸钇(Y-PTC)金属有机骨架(MOF)在可见光照射下对亚甲基蓝和甲基橙的光催化活性。FTIR分析结果表明,Y-PTC MOF具有与其前体(Na4PTC)不同的结构和组成。Y-PTC MOF具有2.20eV的带隙能量值,表面积为47.7487m2/g。SEM-EDS分析显示钇、碳和氧的元素组成分别为6.9%、72.1%和20.7%。此外,Y-PTC MOF在60分钟的分散期内对亚甲基蓝(MB)和甲基橙(MO)的吸附率分别达到78.10%和35.57%。Y-PTC MOF在可见光照射下对亚甲基蓝和甲基橙的降解表现出光催化活性。H2O2的加入对Y-PTC光催化降解MO的活性抑制率从50.89%提高到26.38%。与MO相比,H2O2的添加对MB的降解率从87.56%提高到91.65%。因此,Y-PTC MOF在可见光照射下具有降解染料的光催化剂材料的潜力。
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Photocatalytic Degradation of Methylene Blue and Methyl Orange by Y-PTC Metal-Organic Framework
The yttrium based metal-organic framework (MOF) Y-PTC was synthesized by the solvothermal method using perylene as the linker and yttrium as metal ion. This study aims to assess the photocatalytic activity of yttrium-perylenetetracarboxylate (Y-PTC) metal-organic framework (MOF) toward methylene blue and methyl orange under visible light irradiation. The results of the FTIR analysis showed that Y-PTC MOF had a different structure and composition from its precursor (Na4PTC). The Y-PTC MOF has a bandgap energy value of 2.20 eV with a surface area of 47.7487 m2/g. The SEM-EDS analysis showed an elemental composition of yttrium, carbon, and oxygen, were 6.9%, 72.1% and 20.7%, respectively. Furthermore, Y-PTC MOF was able to adsorb dyes at the optimum by 78.10% and 35.57% toward methylene blue (MB) and methyl orange (MO) at the dispersion period of 60 mins. Y-PTC MOF exhibited photocatalytic activity towards the degradation of methylene blue and methyl orange under visible light irradiation. The addition of H2O2 inhibited Y-PTC photocatalytic activity towards MO degradation from 50.89% to 26.38%. In contrast to MO, the addition of H2O2 had a positive effect on MB, which increased the degradation from 87.56% to 91.65%. Therefore, Y-PTC MOF possessed the potential of a photocatalyst material in dyes degradation under visible light irradiation.
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CiteScore
0.80
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发文量
15
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24 weeks
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