Polyamic acid precursor was prepared for electrospinning,then the polymaic acid electrospun fibers mats were obtained by using electrospinning method.A polyimide (PI) ultrafine fibers mats was prepared by thermal imidization process.ZIF-8 nanoparticles/plates were deposited on the surface by solution synthesis and hydrothermal synthesis method,so ZIF-8@PI fibers nanocomposites photocatalyst can be obtained.The samples were characterized by scanning electron microscopy,X ray diffraction.Using the PI fibers as template and carrier,ZIF-8 nano-particles/plates with uniform,less agglomeration and high loading can be loaded on the surface of PI fibers.The photocatalyst performance of ZIF-8@PI fibers nanocomposites membrane was investigated by the degradation of organic dyes in water,the results shown that tbe membrane possessed high photocatalyst efficiency (99.8%) and photocatalytic degradation rate(0.57mg·cm-2·h-1).
Ma Li, Li Ying, Yi Zishuo, Kong Mengdi, Xin Yuhan, He Tieshi
. Preparation and photocatalytic performance of ZIF-8@PI nanofiber membrane[J]. New Chemical Materials, 2022
, 50(7)
: 95
-98
.
DOI: 10.19817/j.cnki.issn1006-3536.2022.07.020
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