Photocatalytic degradation of methyl orange dye by pristine titanium dioxide, zinc oxide, and graphene oxide nanostructures and their composites under visible light irradiation

Ramesh Raliya; Caroline Avery; Sampa Chakrabarti; Pratim Biswas

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Photocatalytic degradation of methyl orange dye by pristine titanium dioxide, zinc oxide, and graphene oxide nanostructures and their composites under visible light irradiation

机译：原始光二氧化钛，氧化锌和氧化石墨烯纳米结构及其复合物在可见光下光催化降解甲基橙染料

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Discharge of azo dyes by textile and allied industries to the environment is a growing problem. Degradation of an azo dye, methyl orange (MO), was tested in simulated wastewater with different oxide nanomaterials acting as photocatalysts under visible light. Titanium dioxide (TiO₂), zinc oxide (ZnO), and graphene oxide (GO) were synthesized, characterized, and applied for adsorptive and photocatalytic removal of the dye. Factors such as initial concentration of MO and size of nanoparticle photocatalyst were varied to determine the optimum conditions for dye removal. Finally, nanocomposites of the three materials (GO–TiO₂–ZnO) were synthesized and tested for its photocatalytic performance. The composition of the individual oxide in the nanocomposite was then varied to achieve the best photocatalytic performance.

机译：纺织和相关工业向环境排放偶氮染料是一个日益严重的问题。在模拟废水中使用不同的氧化物纳米材料作为光催化剂，在可见光下测试了偶氮染料甲基橙（MO）的降解。合成，表征了二氧化钛（TiO _{2 ），氧化锌（ZnO）和氧化石墨烯（GO），并用于吸附和光催化去除染料。改变诸如MO的初始浓度和纳米颗粒光催化剂的尺寸的因素，以确定用于染料去除的最佳条件。最后，合成了三种材料（GO-TiO _{2 -ZnO）的纳米复合材料，并对其光催化性能进行了测试。然后改变纳米复合材料中各个氧化物的组成以获得最佳的光催化性能。}}

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《Applied Nanoscience》 |2017年第5期|共7页
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Ramesh Raliya; Caroline Avery; Sampa Chakrabarti; Pratim Biswas;
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1. Enhanced Photocatalytic Performance of Al-Doped ZnO NPs-Reduced Graphene Oxide Nanocomposite for Removing of Methyl Orange Dye from Water Under Visible-Light Irradiation [J] . Khayatian S. Asghar, Kompany Ahmad, Shahtahmassebi Nasser, Journal of inorganic and organometallic polymers and materials . 2018,第6期

机译：Al掺杂的ZnO NPs还原氧化石墨烯纳米复合材料在可见光照射下从水中去除甲基橙染料的光催化性能增强
2. Application of nanostructured graphene oxide/titanium dioxide composites for photocatalytic degradation of rhodamine B and acid green 25 dyes [J] . M.S. Adly, Sh.M. El-Dafrawy, S.A. El-Hakam Journal of Materials Research and Technology . 2019,第6期

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3. Enhanced visible light photocatalytic activity of copper-doped titanium oxide-zinc oxide heterojunction for methyl orange degradation [J] . Dorraj Masoumeh, Alizadeh Mahdi, Sairi Nor Asrina, Applied Surface Science . 2017,第AUGa31期

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4. Efficient photocatalytic degradation of bisphenol A over urushiol modified titanium dioxide under visible light irradiation [C] . Xu Zhang, Nansheng Deng Frontier of nanoscience and technology . 2011

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5. Titanium(III) Doped Titanium Dioxide: an Effective Strategy to Improve the Visible Light Photocatalytic Activity. [D] . Zuo, Fan. 2012

机译：掺杂钛（III）的二氧化钛：提高可见光光催化活性的有效策略。
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7. Synthesis of molecularly imprinted polypyrrole/titanium dioxide nanocomposites and its selective photocatalytic degradation of rhodamine B under visible light irradiation [O] . M. Q. He, L. L. Bao, K. Y. Sun, 2014

机译：可见光照射下分子印迹聚吡咯/二氧化钛纳米复合材料的合成及其对罗丹明B的选择性光催化降解

Photocatalytic degradation of methyl orange dye by pristine titanium dioxide, zinc oxide, and graphene oxide nanostructures and their composites under visible light irradiation

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