Semiconducting composites of nanostructured and granular polyaniline (PANI) with FeZSM-5 zeolite were synthesized by the oxidative polymerization of aniline with ammonium peroxydisulfate in water, without added acid and in an aqueous H₂SO₄ solution, in the presence of FeZSM-5, by using initial weight ratios aniline/FeZSM-5 of 1/1 and 1/5. These novel composite materials, in their as-synthesized (protonated) and deprotonated forms, were characterized by elemental, thermogravimetric and differential thermal analysis, scanning electron microscopy, FTIR and Raman spectroscopy, X-ray powder diffraction and conductivity measurements. The catalytic activity of the PANI/FeZSM-5 composites towards the oxidation of herbicide glyphosate with hydrogen peroxide has been investigated. A significant improvement of the catalytic activity of PANI/FeZSM-5 composites compared to that of pure PANI and FeZSM-5 was observed, manifested by the almost one order of magnitude more efficient oxidative degradation of glyphosate with hydrogen peroxide. The maximum of oxidized/decomposed amount of glyphosate was achieved in the presence of PANI/FeZSM-5 composite synthesized using an initial aniline/FeZSM-5 = 1/5 wt ratio. It has been shown that the method of synthesis and interactions between PANI and zeolite in this complex composite system, leading to more efficient electron transfer and hydrogen peroxide decomposition, are crucial for the catalytic properties of tested PANI/FeZSM-5 materials. It is shown that new PANI/FeZSM-5 composites present advanced catalyst materials for enhanced green catalytic degradation of pesticide/herbicide pollutants in environmental remediation systems.

通过在水中不加酸和在H ₂ SO ₄水溶液中将苯胺与过氧二硫酸铵氧化聚合，合成了纳米结构和颗粒状聚苯胺与FeZSM-5沸石的半导体复合材料。在FeZSM-5存在下，通过使用初始重量比苯胺/ FeZSM-5为1/1和1/5的溶液。这些新颖的复合材料具有合成，质子化和去质子化的形式，通过元素分析，热重分析和差热分析，扫描电子显微镜，FTIR和拉曼光谱，X射线粉末衍射和电导率测量来表征。研究了PANI / FeZSM-5复合材料对过氧化氢对除草剂草甘膦氧化的催化活性。观察到与纯PANI和FeZSM-5相比，PANI / FeZSM-5复合材料的催化活性有了显着改善，这表现为草甘膦被过氧化氢氧化的效率提高了近一个数量级。在使用初始苯胺/ FeZSM-5 = 1/5重量比合成的PANI / FeZSM-5复合材料存在下，草甘膦的氧化/分解量达到了最大值。已经表明，在这种复杂的复合体系中，PANI与沸石的合成和相互作用方法，导致更有效的电子转移和过氧化氢分解，对于测试的PANI / FeZSM-5材料的催化性能至关重要。结果表明，新型PANI / FeZSM-5复合材料提供了先进的催化剂材料，可在环境修复系统中增强农药/除草剂污染物的绿色催化降解。已经表明，在这种复杂的复合体系中，PANI与沸石的合成和相互作用方法，导致更有效的电子转移和过氧化氢分解，对于测试的PANI / FeZSM-5材料的催化性能至关重要。结果表明，新型PANI / FeZSM-5复合材料提供了先进的催化剂材料，可在环境修复系统中增强农药/除草剂污染物的绿色催化降解。已经表明，在这种复杂的复合体系中，PANI与沸石的合成和相互作用方法，导致更有效的电子转移和过氧化氢分解，对于测试的PANI / FeZSM-5材料的催化性能至关重要。结果表明，新型PANI / FeZSM-5复合材料提供了先进的催化剂材料，可在环境修复系统中增强农药/除草剂污染物的绿色催化降解。