Photocatalytic performance of copper ferrite/polypyrrole nanohybrids: studies on visible light induced degradation of urea and microwave-assisted degradation of polyethylene films

IF 2.8 4区工程技术 Q2 POLYMER SCIENCE Macromolecular Research Pub Date : 2024-08-21 DOI:10.1007/s13233-024-00311-4

Shayista Gaffar, Ufana Riaz

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Abstract

The present work reports formulation of nanohybrids of CuFe₂O₄ using polypyrrole (PPy) in the weight ratios of 1%, 3% and 5%. The synthesized nanohybrids were characterized using FTIR, UV–Vis, XRD and SEM–EDS. The optical band gaps were calculated to be 2.31 eV, 2.11 eV and 1.74 eV for 1-PPy/CuFe₂O₄, 3-PPy/CuFe₂O₄, and 5-PPy/CuFe₂O₄, respectively. The photocatalytic degradation of urea and polyethene (PE) was carried out under visible light irradiation to study the effect of degradation of pollutants in presence of an organic–inorganic hybrid photocatalyst. The nanohybrids showed superior photocatalytic performance when compared with pure CuFe₂O₄. The maximum photocatalytic degradation was found to be 62% within 120 min using 5-Ppy/CuFe₂O₄ as photocatalyst and 40% degradation of PE films was achieved under microwave irradiation. The catalysts showed promising results for the highly efficient degradation of polymers.

Graphical abstract

Photocatalytic activity of polypyrrole/copper ferrite nanohybrids

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铜铁氧体/聚吡咯纳米杂化物的光催化性能：可见光诱导的尿素降解和微波辅助的聚乙烯薄膜降解研究

本研究报告介绍了使用聚吡咯（PPy）以 1%、3% 和 5%的重量比配制 CuFe2O4 纳米杂化物的情况。傅立叶变换红外光谱（FTIR）、紫外可见光谱（UV-Vis）、X射线衍射（XRD）和扫描电子显微镜（SEM-EDS）对合成的纳米杂化物进行了表征。经计算，1-PPy/CuFe2O4、3-PPy/CuFe2O4 和 5-PPy/CuFe2O4 的光带隙分别为 2.31 eV、2.11 eV 和 1.74 eV。在可见光照射下，对尿素和聚乙烯（PE）进行了光催化降解，以研究有机-无机杂化光催化剂对污染物降解的影响。与纯 CuFe2O4 相比，纳米杂化物显示出更优越的光催化性能。使用 5-Ppy/CuFe2O4 作为光催化剂，120 分钟内的光催化降解率最高可达 62%；在微波辐照下，聚乙烯薄膜的降解率为 40%。这些催化剂显示出高效降解聚合物的良好效果。

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来源期刊

Macromolecular Research 工程技术-高分子科学

CiteScore

4.70

自引率

8.30%

发文量

100

审稿时长

1.3 months

期刊介绍： Original research on all aspects of polymer science, engineering and technology, including nanotechnology Presents original research articles on all aspects of polymer science, engineering and technology Coverage extends to such topics as nanotechnology, biotechnology and information technology The English-language journal of the Polymer Society of Korea Macromolecular Research is a scientific journal published monthly by the Polymer Society of Korea. Macromolecular Research publishes original researches on all aspects of polymer science, engineering, and technology as well as new emerging technologies using polymeric materials including nanotechnology, biotechnology, and information technology in forms of Articles, Communications, Notes, Reviews, and Feature articles.