Advanced construction of heterostructured InCrO4-TiO2 and its dual properties of greater UV-photocatalytic and antibacterial activity

Kamalakkannan J.; Chandraboss V. L.; Prabha S.; Senthilvelan S.

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Advanced construction of heterostructured InCrO4-TiO2 and its dual properties of greater UV-photocatalytic and antibacterial activity

机译：高紫外光催化和抗菌活性的异质增强型Incro4-TiO2的先进构建及其双性质

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The development of coupled semiconductor oxides has led to significant advances in photocatalytic functional materials. In this article, we report the preparation of a nano-spherical InCrO4-loaded TiO2 photocatalyst by a simple co-precipitation method. The InCrO4-TiO2 (ICT) nanomaterial was characterized using XRD, SEM with EDX, FT-IR, FT-Raman and PL analysis. The photocatalytic activity of InCrO4-TiO2 was much better than that of TiO2 and TiO2-P25 under UV-light irradiation. InCrO4-TiO2 showed better activity than TiO2 and TiO2-P25 in the degradation of methyl green (MEG), malachite green (MAG) and methylene blue (MB) because it has maximum efficiency at neutral pH = 7 under UV-light irradiation. Among all these dyes, the photodegradation of MEG was the fastest. The mechanism for the photocatalytic activity of the InCrO4-loaded TiO2 nanomaterial has been discussed. The production of hydroxyl radicals on the surface of UV-irradiated photocatalysts was determined by fluorescence technique using coumarin as a probe molecule. The photodegradation of dyes is well described by pseudo first order kinetics and high quantum yield. Furthermore, the antibacterial activity of the TiO2 and InCrO4-TiO2 materials was investigated against Gram negative Vibrio cholerae and Gram positive Bacillus subtilis bacterial strains.

机译：耦合半导体氧化物的发展导致光催化功能材料的显着进展。在本文中，我们通过简单的共沉淀方法报告纳米球形Incro4负载TiO2光催化剂的制备。 Incro4-TiO2（ICT）纳米材料的特征是使用XRD，SEM，EDX，FT-IR，FT-拉曼和PL分析。 Incro4-TiO2的光催化活性比UV光照射下的TiO2和TiO2-P25好得多。 Incro4-TiO2在甲基绿色（MEG），孔雀石绿色（MAG）和亚甲基蓝（MB）的降解中显示出比TiO2和TiO2-P25更好的活性，因为它在UV光照射下在中性pH = 7处具有最大效率。在所有这些染料中，MEG的光降解是最快的。已经讨论了增量4加载的TiO2纳米材料的光催化活性的机制。通过使用香豆素作为探针分子，通过荧光技术测定UV照射光催化剂表面上的羟基自由基。染料的光降解通过伪第一阶动力学和高量子产量很好地描述。此外，针对革兰氏阴性弧菌霍乱和革兰氏菌枯草芽孢杆菌菌株研究了TiO2和Incro4-TiO2材料的抗菌活性。

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《RSC Advances》 |2015年第94期|共14页
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Kamalakkannan J.; Chandraboss V. L.; Prabha S.; Senthilvelan S.;
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Annamalai Univ Dept Chem Annamalainagar 608002 Tamil Nadu India;

Annamalai Univ Dept Chem Annamalainagar 608002 Tamil Nadu India;

Annamalai Univ Dept Chem Annamalainagar 608002 Tamil Nadu India;

Annamalai Univ Dept Chem Annamalainagar 608002 Tamil Nadu India;

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1. Advanced construction of heterostructured InCrO4-TiO2 and its dual properties of greater UV-photocatalytic and antibacterial activity [J] . Kamalakkannan J., Chandraboss V. L., Prabha S., RSC Advances . 2015,第94期

机译：高紫外光催化和抗菌活性的异质增强型Incro4-TiO2的先进构建及其双性质
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5. Structure-activity characterization of nitric oxide-releasing dendrimers as dual-action antibacterial agents. [D] . Worley, Brittany Virginia. 2016

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6. Versatile construction of van der Waals heterostructures using a dual-function polymeric film [O] . Zhujun Huang, Abdullah Alharbi, William Mayer, -1

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Advanced construction of heterostructured InCrO4-TiO2 and its dual properties of greater UV-photocatalytic and antibacterial activity

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