Synthesis of Pt-loaded NiFe-LDH Nanosheets on Wood Veneer for Efficient Gaseous Formaldehyde Degradation

ACS Applied Materials & Interfaces
Tailong CaiQingfeng Sun

Abstract

Traditional methods of removing gaseous formaldehyde are often associated with high energy consumption and secondary pollution. In this study, a new wood veneer based composite decorated with Pt-loaded NiFe-LDH nanosheets is successfully developed by hydrothermal reaction and impregnation-chemical reduction. NiFe-LDH nanosheets as an adsorbent can capture formaldehyde molecules through abundant hydroxyl groups. Pt nanoparticles as catalytic centers are evenly distributed on the surface of NiFe-LDH to excite the O atoms fixed to NiFe-LDH and absorbed oxygen, which will further attack the absorbed formaldehyde molecules to generate CO2 and H2O. And the wood veneer not only increases the active area of the catalyst by endowing it with good dispersion, but also provides convenient channels for reactants and products. In a simulated dark environment at room temperature, this synthetic wood veneer based composite exhibits admirable catalytic activity, which can effectively degrade almost all gaseous formaldehyde with the initial concentration of 0.2 mg m-3 in 30 min and maintain a high catalytic activity of ≥ 97% after ten cycles. This paper presents a feasible strategy of synthesizing an energy-efficient and ecofriendly wood veneer ...Continue Reading

References

May 23, 2016·Archives of Toxicology·Gunnar Damgård NielsenPeder Wolkoff
Dec 6, 2017·Advanced Materials·Feng JiangLiangbing Hu

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Citations

Nov 9, 2021·ACS Applied Materials & Interfaces·Maxime BourguignonChristophe Detrembleur

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