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Dandelion-like ZnS/carbon quantum dots hybrid materials with enhanced photocatalytic activity toward organic pollutants

机译:蒲公英的ZnS /碳量子点杂种材料,具有增强的光催化活动朝向有机污染物

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In this paper, dandelion-like ZnS was synthesized via a facile hydrothermal method, and then as the support to further synthesize dandelion-like ZnS/carbon quantum dot hybrid materials. Multiple techniques were applied to investigate the structures, morphologies, electronic and optical properties of the samples. It can be observed that the carbon quantum dots were distributed uniformly on the surface of the ZnS. The photocatalytic activities of the as-prepared materials were investigated by the photodegradation of methylene blue, Rhodamine B and the colorless antibiotic ciprofloxacin hydrochloride, respectively. The as-synthesized hybrid materials exhibit higher photocatalytic activity than that of the pure ZnS under simulated sunlight ( λ > 380 nm), indicating a broad-spectrum of photocatalytic degradation activity. The most beneficial amount of carbon quantum dots to improve the photocatalytic activity of the ZnS is 2.0 wt%.
机译:在本文中,通过容易水热法合成蒲公英ZnS,然后作为进一步合成蒲公英ZnS /碳量子点混合材料的载体。应用多种技术来研究样品的结构,形态,电子和光学性质。可以观察到碳量子点在ZnS的表面上均匀地分布。通过亚甲基蓝,罗丹明B和无色抗生素环氟苯甲酰甲酰甲酸盐的光降解研究了制备材料的光催化活性。作为模拟阳光(λ> 380nm)下的光催化活性比纯Zns更高的光催化活性,表明光催化降解活性高于纯Zns。最有益的碳量子点以改善ZnS的光催化活性为2.0wt%。

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