Synthesis and characterization of new photocatalyst-based tin (IV) 5, 10, 15, 20-tetrakis (4-benzhydryl benzoate) porphyrin immobilized on Fe3O4 nanoparticles for removal of organic dye from wastewater

Materials Science and Engineering: B Pub Date : 2024-07-14 DOI:10.1016/j.mseb.2024.117574

Fatemeh Rafiee, Hadi Hassani Ardeshiri, Alireza Gholami, Hossein Ghafuri, Rahmatollah Rahimi

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Abstract

In this research, tin (IV) 5,10,15,20-tetrakis 4-benzhydryl benzoate porphyrin (dented as Sn-TBhBP) as a new type of metalloporphyrin was synthesized and immobilized on the surface of FeO nanoparticles (NPs). The characterization of nanocomposite was carried out by Fourier transform infrared (FT-IR), ultraviolet–visible (UV–vis), X-ray diffraction (XRD), energy dispersive X-ray (EDX), scanning electron microscopy (SEM), fluorescence spectroscopy (FLS), Brunner-Emmett-Teller (BET), transmission electron microscopy (TEM), and differential reflectance spectroscopy (DRS) methods. The catalytic activity of the Sn-TBhBP@FeO was investigated as a new photocatalyst in the degradation of methylene blue (MB) under visible light irradiation. The results indicated that the maximum efficiency was achieved with a dye concentration of 10 ppm, resulting in a MB degradation rate of 98 % in the presence of Sn-TBhBP@FeO photocatalyst. Moreover, a prospective mechanism for the developed photocatalytic performance was proposed. The present study demonstrated the possible applications of the Sn-TBhBp@FeO photocatalyst for the environment issues.

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固定在 Fe3O4 纳米粒子上用于去除废水中有机染料的新型光催化剂基锡 (IV)-5、10、15、20-四（4-二苯甲酰基苯甲酸酯）卟啉的合成与表征

本研究合成了一种新型金属卟啉--5,10,15,20-四(IV)-4-苯甲酰苯甲酸锡卟啉（Sn-TBhBP），并将其固定在氧化铁纳米颗粒（NPs）表面。采用傅立叶变换红外（FT-IR）、紫外可见光（UV-vis）、X 射线衍射（XRD）、能量色散 X 射线（EDX）、扫描电子显微镜（SEM）、荧光光谱（FLS）、Brunner-Emmett-Teller（BET）、透射电子显微镜（TEM）和微分反射光谱（DRS）等方法对纳米复合材料进行了表征。研究了 Sn-TBhBP@FeO 作为一种新型光催化剂在可见光照射下降解亚甲基蓝（MB）的催化活性。结果表明，当染料浓度为 10 ppm 时，Sn-TBhBP@FeO 光催化剂的效率达到最高，使甲基溴的降解率达到 98%。此外，还提出了所开发的光催化性能的前瞻性机理。本研究证明了 Sn-TBhBp@FeO 光催化剂在环境问题上的可能应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Materials Science and Engineering: B

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