Polyimide composites modified by CI Pigment Green 8 with enhanced crystalline structure for efficient photo-Fenton oxidative degradation of tetracycline hydrochloride

被引：4

作者：

Zhang, Tianyong ^{[1
]}

Lin, Junjun ^{[1
]}

An, Hongli ^{[1
]}

Jiang, Shuang ^{[1
]}

Li, Bin ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300354, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2024年 / 654卷

关键词：

Polyimide; CI Pigment Green 8; PGPI; Photo-Fenton catalysis; Tetracycline hydrochloride; HYDROGEN-PEROXIDE PRODUCTION; CARBON NITRIDE; PHOTOCATALYTIC DEGRADATION; MOLECULAR-OXYGEN; WATER; REMOVAL; G-C3N4;

D O I：

10.1016/j.apsusc.2024.159494

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Composite material (PGPI) of polyimide (PI) modified by C.I. Pigment Green 8 (PG8) were prepared by solidphase thermal polycondensation, impregnation and thermal treatment. The introduction of PG8 enhanced the 7C -7C stacked crystalline structure and the visible light absorption of PI. The photo -Fenton synergistic system can effectively increase the decomposition efficiency of H2O2, accelerate Fe2+/Fe3+ cycling and reduce the recombination of photogenerated carriers. The synergistic oxidative removal of TH (Tetracycline hydrochloride, 50 ppm) by PGPI after 40 min under visible -light irradiation was 95.1 %, which was significantly better than that of the photocatalysis alone (40.7 %) and the Fenton reaction alone (55.0 %).

引用

页数：12

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