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Surface Plasmon response of Pd deposited ZnO/CuO nanostructures with enhanced photocatalytic efficacy towards the degradation of organic pollutants
Inorganic Chemistry Communications ( IF 3.8 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.inoche.2020.108241
Vijaya Kumari , Suprabha Yadav , Anuj Mittal , Kavitha Kumari , Bernabe Mari , Naveen Kumar

Abstract Herein, we have synthesized novel noble metal Pd deposited ZnO/CuO (8:1) nano-composites using simple single step deposition method with different weight percentage. The morphological, structural, elemental and optical characteristics of synthesized materials were uncovered by using different techniques such as FESEM, TEM, XRD, XPS and UVDRS. The synthesized materials are highly crystalline in nature. To evaluate the degradation efficacy of synthesized nano-composite materials, two organic pollutants; rhodamine B and triclopyr, are taken into account. The complete degradation of RhB and TCP is observed in 20 and 60 minutes. The nano-composite with 2% Pd shows highest efficacy towards the photodegradation of pollutants. The better photodegradation efficacy of synthesized nano-composite materials is attributed to appropriate amount of Pd deposition which helps in shifting the absorption towards NIR region and efficiently reduces the recombination rate of charge carriers.

中文翻译:

Pd沉积的ZnO/CuO纳米结构的表面等离子体响应具有增强的光催化降解有机污染物的功效

摘要 在此,我们使用不同重量百分比的简单单步沉积法合成了新型贵金属 Pd 沉积的 ZnO/CuO (8:1) 纳米复合材料。通过使用不同的技术,如FESEM、TEM、XRD、XPS和UVDRS,揭示了合成材料的形态、结构、元素和光学特性。合成的材料本质上是高度结晶的。评价合成纳米复合材料对两种有机污染物的降解效果;将罗丹明 B 和绿草定考虑在内。在 20 和 60 分钟内观察到 RhB 和 TCP 的完全降解。含有 2% Pd 的纳米复合材料对污染物的光降解表现出最高的效率。
更新日期:2020-11-01
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