WO3 in suit embed into MIL-101 for enhancement charge carrier separation of photocatalyst

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2019
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Abstract
Abstract Compositing nanoparticles photo-catalyst with enormous surface areas metal–organic framework (MOF) will greatly improve photocatalytic performances. Herein, WO3 nanoparticles are partly embedded into pores of MIL-101 or only supported on the outside of representative MIL-101, which were defined as embedded structure WO3@MIL-101@WO3 and coating structure WO3&MIL-101 respectively. Different pH, concentration and loading percentage were researched. XRD, TEM and BET were carried to analyze the composites. Compared with the pristine WO3, all WO3 loaded MOF nanocomposites exhibited remarkable enhancing for the efficiency of photocatalytic degradation methylene blue under visible light. Their activity of the same loading percentage WO3 in embedded structure and coating structure have increased for 9 and 3 times respectively compared with pure WO3. The WO3@MIL-101@WO3 has 3 times higher efficiency than WO3&MIL-101, because the shorter electron-transport distance can make a contribution to electron–hole separation. The further mechanism involved has been investigated by radical quantify experiment, XPS and photoluminescence spectroscopy.
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wang2019wo3scientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wang, Linjuan;Zan, Ling;
Journal Scientific reports
Year 2019
DOI
DOI not found
URL
http://link.springer.com/article/10.1038/s41598-019-41374-z
Keywords
chemistry microscopy Medicine Materials of engineering and construction. Mechanics of materials Technology (General) Engineering (General). Civil engineering (General) Technology Electrical engineering. Electronics. Nuclear engineering Descriptive and experimental mechanics Science chemical engineering water supply for domestic and industrial purposes sewage collection and disposal systems. sewerage meteorology. climatology

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