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Green synthesis of Ag@SnO2 nanocomposites for enhancing photocatalysis of nitrogen monoxide removal under solar light irradiation
Catalysis Communications ( IF 3.4 ) Pub Date : 2019-12-12 , DOI: 10.1016/j.catcom.2019.105902
Dai Phat Bui , Minh Thu Nguyen , Hong Huy Tran , Sheng-Jie You , Ya-Fen Wang , Pham Van Viet

Herein, [email protected]2 nanocomposite (NC) is prepared by UV-assisted depositing of Ag nanoparticles (NPs) onto hydrothermally synthesized SnO2 NPs surface without any additional assistance. To characterize the NC, transmission electron microscope (TEM) images, selected area electron diffraction (SAED), X-ray diffraction (XRD), and energy-dispersive X-ray (EDX) patterns are employed. The understanding of kinetics, photostability, and species lifespan in the NC are thoroughly studied with experiments and time-dependent electron spin resonance (ESR). The [email protected]2 exhibits an outstanding NO photocatalytic removal performance (70%) and low conversion of NO2 (4%) after 30 min under solar light. The [email protected]2 promises a potential application for air remediation.



中文翻译:

Ag @ SnO2纳米复合材料的绿色合成,用于增强太阳光照射下一氧化氮的光催化去除

在此,[紫外线保护] 2纳米复合材料(NC)是通过在水热合成的SnO 2 NP表面上进行紫外线辅助将Ag纳米颗粒(NP)沉积至水热合成SnO 2 NP表面而制备的。为了表征NC,采用透射电子显微镜(TEM)图像,选定区域电子衍射(SAED),X射线衍射(XRD)和能量色散X射线(EDX)图案。通过实验和随时间变化的电子自旋共振(ESR)彻底研究了NC中动力学,光稳定性和物种寿命的理解。[受电子邮件保护] 2在太阳光下放置30分钟后,具有出色的NO光催化去除性能(70%)和低NO 2转化率(4%)。[电子邮件保护]2承诺在空气修复方面有潜在的应用。

更新日期:2019-12-13
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