ZnO纳米粒子在日光下降解有机染料的光催化活性研究

Research Anthology on Synthesis, Characterization, and Applications of Nanomaterials Pub Date : 1900-01-01 DOI:10.4018/978-1-7998-1241-8.ch019

S. Krishnamoorthy, M. Dharani

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引用次数: 0

摘要

对采用简单共沉淀法制备的氧化锌纳米颗粒进行了表征，并对其降解亚甲基蓝和罗丹明B有机污染物的光催化活性进行了测试。利用FESEM、EDAX光谱和XRD对合成的纳米材料进行了形貌和结构表征，并利用紫外-可见DRS光谱和光致发光对其光学性质进行了了解。研究了合成的纳米颗粒在太阳光照射下对亚甲基蓝(MB)和罗丹明B (RhB)有机污染物的光催化降解行为。MB(100%)比RhB(96%)的降解率最高。初步研究表明ZnO纳米颗粒对有机污染物的降解效果良好。

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Photocatalytic Activity of ZnO Nanoparticles on the Degradation of Organic Dyes Under Solar Light

Zinc oxide (ZnO) nanoparticles prepared using simple co-precipitation method are characterized and photocatalytic activity is tested on the degradation of methylene blue and rhodamine B organic pollutants. Morphological and structural properties of synthesized nanomaterial have been characterized using FESEM, EDAX spectroscopy, and XRD, while UV-visible DRS spectroscopy and photoluminescence have been used to understand their optical properties. The photocatalytic behaviour of synthesized nanoparticles was evaluated on the degradation of methylene blue (MB) and rhodamine B (RhB) organic pollutants under solar light irradiation. The highest degradation was achieved for MB (100%) over RhB (96%). Preliminary investigation shows the effective degradation of organic pollutants by ZnO nanoparticles.

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Research Anthology on Synthesis, Characterization, and Applications of Nanomaterials

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