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Visible light-enhanced thermal decomposition performance of ammonium perchlorate with a metal–organic framework-derived Ag-embedded porous ZnO nanocomposite†
New Journal of Chemistry ( IF 3.3 ) Pub Date : 2018-09-24 00:00:00 , DOI: 10.1039/c8nj04143a
Jingfeng Wang 1, 2, 3, 4 , Yang Li 1, 2, 3, 4 , Yadong Qiao 1, 2, 3, 4 , Guangzhi Yu 1, 2, 3, 4 , Jinzhu Wu 1, 2, 3, 4 , Xiaohong Wu 1, 2, 3, 4 , Wei Qin 4, 5, 6 , Liang Xu 2, 3, 4, 7
Affiliation  

In this study, metal–organic frameworks (MOFs) are used as a host for Ag species and the template of ZnO to fabricate Ag-embedded porous ZnO nanocomposites (Ag–ZnO NCs) with rich and stable interfaces, which is proven to be a perfect platform for constructing hybrid materials. Remarkably, Ag–ZnO NCs exhibit high catalytic activity for the thermocatalytic decomposition of ammonium perchlorate (AP) under the assistance of ultraviolet and visible light irradiation. The highly enhanced catalytic activity of Ag–ZnO NCs originates from the synergistic effects of thermal-driven thermocatalysis and solar light-driven photocatalysis. Especially, under the irradiation of visible light, the plasmon-induced resonance energy transfer (PRET) between the plasmonic metal Ag and the neighboring semiconductor ZnO enhances the charge carrier generation efficiency and suppresses the bulk recombination in the semiconductor, which are responsible for its outstanding catalytic performance.

中文翻译:

具有金属-有机骨架的银包埋的多孔ZnO纳米复合材料对高氯酸铵的可见光增强热分解性能

在这项研究中,金属有机框架(MOF)被用作Ag物种的宿主和ZnO的模板,以制造具有丰富而稳定的界面的Ag包埋的多孔ZnO纳米复合材料(Ag–ZnO NCs),这被证明是一种构建混合材料的理想平台。值得注意的是,Ag-ZnO NCs在紫外线和可见光的辅助下,对高氯酸铵(AP)的热催化分解具有很高的催化活性。Ag-ZnO NCs高度增强的催化活性源自热驱动的热催化和太阳光驱动的光催化的协同作用。特别是在可见光的照射下
更新日期:2018-09-24
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