降级(电信)
纳秒
等离子体
材料科学
四环素
光电子学
等离子体化学
化学
激光器
光学
计算机科学
物理
电信
生物化学
量子力学
抗生素
作者
Sen Wang,Xiaoyang Wei,Pengju Chen,Renwu Zhou,Zhi Fang
标识
DOI:10.1088/1361-6463/ad33fe
摘要
Abstract Non-thermal plasma coupling with photocatalyst is recognized as a promising technology for the degradation of antibiotics, and improving the photocatalyst performance is one of the most significant strategies to improve the efficiency of plasma-catalytic systems. This study employed a nanosecond pulsed gas–liquid discharge coupled with plasma-functionalized TiO 2 to achieve a high efficiency of tetracycline degradation and clarify the synergistic mechanism of nanosecond pulse discharge coupling with functionalized TiO 2 . Results showed that the degradation efficiency with functionalized TiO 2 increased by 20% compared to the untreated TiO 2 for 4 min-plasma treatment. It is also suggested that the effect of photogenerated holes and electrons can be promoted in the functionalized TiO 2 , as evidenced by the radical quenching experiments. The plasma-modified TiO 2 catalysts were proven to have a good stability and recyclability. This study provides a new sustainable approach to enhance the performance of photocatalysts in the plasma system for environmental remediation.
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