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首页> 外文期刊>Journal of King Saud University >High performance of pyrochlore like Sm 2Ti 2O 7 heterojunction photocatalyst for efficient degradation of rhodamine-B dye with waste water under visible light irradiation
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High performance of pyrochlore like Sm 2Ti 2O 7 heterojunction photocatalyst for efficient degradation of rhodamine-B dye with waste water under visible light irradiation

机译：像SM 2 TI 2 O 7 异质结光催化剂，以便在可见光照射下用废水有效降解罗丹明-B染料

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Binary metal oxide heterojunctions possibly will exclude the recombination of photogenerated charge carriers via interfacial charge transfer in assessment among the single-component photocatalytic material. Highly ordered samarium doped titania nanosphere have paid more attention to the exclusion of toxic organic pollutants. Tuning the shape, size, morphology, bandgap and defect optimization of titanium oxides (Sm2Ti2O7) improved as an enhanced catalyst which was synthesized by using the capping agent also acts as a reducing agent. Herein, we examine an environmentally pleasant Sm2Ti2O7nanosphere with its various properties via assorted characterization techniques and wrapping of nanosphere makes them appropriate catalysts for the degradation of toxic dyes and show the highest efficiency via irradiation of visible light by declining the option of the exciton-recombination process. Therefore, the photocatalyst was found to produce reactive oxygen species (ROS) both in the presence and absence of light, which is responsible for the decomposition of dyes into small fractions. In addition, HRTEM study reveals that the nanospheres are highly porous nature with high active surface area and small grain size are reported in detail.
机译：二元金属氧化物异质局可能会通过单组分光催化材料中的评估中的界面电荷转移排除光生电电荷载体的重组。高度有序的钐掺杂二氧化钛纳米底部已经更多地关注排除有毒有机污染物。调节钛氧化钛（SM2Ti2O7）的形状，大小，形态，带隙和缺陷优化作为通过使用封端剂合成的增强型催化剂的改善，也用作还原剂。在此，通过各种特征技术，通过各种特征技术进行环境宜人的SM2TI2O7NANO整个性质，并通过纳米晶体的包裹使其适用于有毒染料的降解，通过拒绝激子重组过程的选择，通过照射可见光的最高效率。因此，发现光催化剂在存在和不存在光的情况下产生反应性氧物质（ROS），其负责将染料分解成小级分。此外，HRTEM研究表明，纳米球是高度多孔的性质，具有高活性表面积，详细介绍小粒度。

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