Novel Flexible Self-Standing Pt/Al2 O3 Nanofibrous Membranes: Synthesis and Multifunctionality for Environmental Remediation

ACS Applied Materials & Interfaces
Yan WangXu Zhao

Abstract

In spite of intensive research investigating the prevalent Pt/Al2O3 catalysts, achieving macroscopic morphology beyond the powder form limitations remains highly challenging. Meanwhile, current impregnation-based preparation approaches show the drawbacks of tedious procedures and inefficient use of noble metals. Therefore, it is important to search for new methods for the fabrication of Pt/Al2O3 catalysts with a novel morphology. In this study, a novel Pt/Al2O3 nanofibrous membrane catalyst is fabricated via a facile one-pot electrospinning process. The embedding of Pt nanoparticles is performed simultaneously with the formation of Al2O3 nanofibers. The Pt/Al2O3 membranes show remarkable mechanical properties with tensile stresses as high as 44.14 MPa. Notably, the Pt/Al2O3 membranes exhibit multifunctionality with excellent performance characteristics. The catalytic experiments indicate that 100% of bisphenol A is removed within 60 min, and 100% of CO is completely converted to CO2 at 242 °C when Pt/Al2O3 membranes are used as catalysts. The membranes also exhibit excellent filtration performance, clearly decreasing the turbidity of water, and meet the high efficiency of particulate air filter standards. The excellent flexibil...Continue Reading

References

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Jul 21, 2015·Journal of Colloid and Interface Science·Bowen LiuBin Ding
Mar 16, 2017·ACS Applied Materials & Interfaces·Xinglei ZhaoBin Ding
Jul 28, 2017·Nature Communications·Zailei ZhangNing Yan

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