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Visible light photocatalytic deterioration of polystyrene plastic using supported BiOCl nanoflower and nanodisk
European Polymer Journal ( IF 6 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.eurpolymj.2020.109793
Bhawna Sarwan , Aman Deep Acharya , Simranjeet Kaur , Brijesh Pare

Abstract Here, we demonstrated the excellent way to degrade polymeric films is established responding to visible-light-sensitive excitation under ambient conditions. Two novel polystyrene (P) - Bismuthoxychloride (Bi) nanocomposite films i.e. P/Bi/Flower and P/Bi/Disk have been effectively produced using a solution-cast technique. Bismuth oxychloride (BiOCl) as a light-sensitive component with different shapes such as flower and disks were added into polymeric matrix to obtained corresponding films. The intension behind the use of different shapes of BiOCl is to ensure a close re-stack of particles that could be detrimental to the quality of polymers. The outcomes acquired the surfaces of as-prepared polymer films with BiOCl were effectively degraded by photooxidation reactions. It also corroborate that the degradation begin over BiOCl particles, followed by the diffusion reaction with the support of reactive oxygen species generated on BiOCl particle surface. Based on the evidences, a probable mechanism was objectively proposed, in well agreement with the information obtained.

中文翻译:

使用负载的 BiOCl 纳米花和纳米盘对聚苯乙烯塑料的可见光光催化降解

摘要 在这里,我们展示了在环境条件下响应可见光敏感激发而建立的降解聚合物薄膜的极好方法。两种新型聚苯乙烯 (P) - 氯氧化铋 (Bi) 纳米复合薄膜,即 P/Bi/Flower 和 P/Bi/Disk 已使用溶液浇铸技术有效生产。将氯氧化铋(BiOCl)作为具有不同形状如花形和圆盘形的光敏组分加入到聚合物基体中,得到相应的薄膜。使用不同形状的 BiOCl 背后的意图是确保可能对聚合物质量有害的颗粒的紧密重新堆叠。结果表明,所制备的含有 BiOCl 的聚合物薄膜的表面被光氧化反应有效降解。这也证实了降解开始于 BiOCl 颗粒,然后在 BiOCl 颗粒表面产生的活性氧的支持下进行扩散反应。根据证据,客观地提出了一种可能的机制,与获得的信息非常吻合。
更新日期:2020-07-01
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