Controlling the Pore Structure and Photocatalytic Performance of the Flexible FeⅢ Metal-Organic Framework MIL-53(Fe) by Using Surfactants

Abstract

Abstract: An approach for dominating the channel form of the flexible MIL-53(Fe) was developed by using a surfactantassisted modified method. The surfactant tetraethylammonium hydroxide (TEAOH) can control the channel form of MIL- 53(Fe) to be a “closed-pore” form, whereas the surfactant polyoxyethylene polyoxypropylene polyoxyethylene (P123) or polyvinyl alcohol (PVA) can dominate the channel form of MIL-53(Fe) for a “large-pore” form. The photocatalytic performance of MIL-53(Fe) with different channel forms was investigated through the degradation of rhodamine B (Rh B) in water under violet light irradiation. The results showed that MIL-53(Fe) with a “large-pore” form exhibited higher photocatalytic activity than that of MIL-53(Fe) with a “closed-pore” form. MIL-53(Fe) modified with PVA exhibit the best photocatalytic activity degraded almost 100% Rh B in 90 minutes.

Key words: MIL-53(Fe), surfactant, photocatalysis

Zhang Dan Yang Ping Zhang Youhua Duan Linhai Meng Xiuhong. Controlling the Pore Structure and Photocatalytic Performance of the Flexible FeⅢ Metal-Organic Framework MIL-53(Fe) by Using Surfactants[J]. China Petroleum Processing & Petrochemical Technology, 2021, 23(3): 23-29.

References

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