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Plasmon induced interfacial charge transfer across Zr-based Metal-Organic Framework coupled Ag2WO4 heterojunction functionalized by Ag NPs: Efficient visible light Photocatalyst
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2019-02-13 , DOI: 10.1016/j.cplett.2019.02.005
Feroz Ahmad Sofi , Kowsar Majid

Herein, we report a unique design of heterogeneous catalyst via post synthetic modification on Zirconium based MOF, UiO-66 with Ag2WO4, decorated with silver nanoparticles. The as synthesized materials were characterized by different characterization techniques. The photoresponsive behavior was evaluated by photodegradation of azo and non-azo dyes, under visible light. Enhanced activity was attributed to synergistic effect of the heterojunction and the surface plasmonic effect of silver nanoparticles. The thermally stable Photocatalyst was found to retain 80% efficiency after five cycles. This work illustrates the potential of combining MOFs with semiconductors in developing highly active heterogeneous catalysts for solar energy utilization.



中文翻译:

等离子体诱导的界面电荷转移,通过基于Zr的金属有机骨架与Ag NPs官能化的Ag 2 WO 4异质结耦合:高效可见光光催化剂

在这里,我们报告了一种独特的非均相催化剂设计,该方法是通过对基于银的纳米颗粒装饰的Ag 2 WO 4的锆基MOF UiO-66进行后合成改性而制成的。所合成的材料通过不同的表征技术进行表征。通过在可见光下偶氮和非偶氮染料的光降解来评估光响应行为。活性增强归因于异质结的协同效应和银纳米颗粒的表面等离子体效应。发现热稳定的光催化剂在五个循环后保持80%的效率。这项工作说明了将MOF与半导体结合在开发用于太阳能利用的高活性非均相催化剂方面的潜力。

更新日期:2019-02-14
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