Research Scholar (Reg.no: 19113112132016), Department of Physics and Research Centre, Nesamony Memorial Christian College, Marthandam, Affiliated to Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli, 627012, Tamilnadu, India.
Department of Physics, Government Polytechnic College, Thoothukudi, 628003, Tamilnadu, India.
Chemosphere. 2021 Aug;277:130247. doi: 10.1016/j.chemosphere.2021.130247. Epub 2021 Mar 13.
The disintegration of natural water sources signals out the scarcity of adam's ale and will be hurdle for the human physical state. So it is necessary to decrease waste loads and hence pressure on the ecology for the sustainability of fishery and dye industry. Herein, TiO nanoparticles doped with Sn and F are synthesized and the influence of simultaneous doping on the optical, surface morphological, structural, photocatalytic and antibacterial activities are investigated. Doping of TiO with Sn and F suppress the growth of both anatase and rutile phase because of the dissimilar boundaries. All the prepared doped and undoped samples are found to possess tetragonal structure. The influence of F and Sn in TiO lattice is recognized with the XRD and FT-IR spectra of the prepared particles The size of the obtained nanoparticles decreases as increasing concentration of F and Sn. TiO is showing the presence of spherical and ellipsoidal nanoparticles whereas doped samples showing nanobulk, pentagons and rods. The absorption edge of the doped samples are blue shifted with increasing concentration of dopants indicates the control of optical absorption property of TiO The visible light assisted photocatalytic degradation of fish processing waste water by doped and undoped samples are found to be established as 0.0076/min and 0.0071/min respectively. Visible light assisted degradation of commercially available dyes and fish processing waste water is assessed. Methyl blue showed enhanced photocatalytic activity under visible light irradiation compared to Methyl orange. It is observed that all the prepared particles show good antimicrobial activity against Staphylococcus aureus.
天然水源的枯竭表明淡水资源的匮乏，这将对人类的身体状况造成威胁。因此，减少废水负荷，从而减轻对生态系统的压力，对于渔业和染整工业的可持续发展是十分必要的。本文中，我们合成了掺 Sn 和 F 的 TiO 纳米粒子，并研究了同时掺杂对其光学、表面形貌、结构、光催化和抗菌活性的影响。Sn 和 F 的掺杂抑制了锐钛矿和金红石相的生长，因为它们之间存在不同的晶界。所有制备的掺杂和未掺杂的样品都被发现具有四方结构。通过 XRD 和 FT-IR 光谱可以识别出 F 和 Sn 在 TiO 晶格中的影响。所得到的纳米粒子的尺寸随着 F 和 Sn 浓度的增加而减小。TiO 呈现出球形和椭圆形纳米颗粒，而掺杂的样品则呈现出纳米块状、五边形和棒状。掺杂样品的吸收边随着掺杂浓度的增加而蓝移，表明 TiO 的光学吸收特性得到了控制。通过掺杂和未掺杂样品的可见光辅助鱼加工废水的光催化降解实验发现，掺杂和未掺杂样品的光催化降解速率分别为 0.0076/min 和 0.0071/min。此外，还评估了可见光辅助降解商用染料和鱼加工废水的性能。与甲基橙相比，亚甲基蓝在可见光照射下表现出更高的光催化活性。研究发现，所有制备的颗粒对金黄色葡萄球菌均表现出良好的抗菌活性。
