| Engineered 3D Architecture: A Magnetically Separable 3DMnFe₂O₄-C-TiO₂ Foam for Enhanced Photocatalysis |
| کد مقاله : 1263-ICOC |
| نویسندگان |
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سارا محمدیان *1، حسین حمادی2، ایرج کاظمی نژاد3 1دانشگاه شهید چمران اهواز- دانشکده علوم- گروه شیمی- فارغ التحصیل 2دانشگاه شهید چمران اهواز- دانشکده علوم - گروه شیمی- عضو هیات علمی دانشیار 3دانشگاه شهید چمران اهواز -دانشکده علوم-گروه فیزیک-عضو هیات علمی استاد |
| چکیده مقاله |
| While semiconductors like titanium oxide are effective for degrading organic pollutants, their practical applications are hindered by rapid charge-carrier recombination and difficulty of nanoparticle recovery. To address these challenges, a porous 3D magnetic foam MnFe₂O₄-C-TiO₂ was synthesized via an in-situ gas-foaming, wherein TiO₂ was incorporating directly into the forming MnFe₂O₄-carbon framework[1]. Foam was subsequently stabilized by thermal treatment at 400°C under a nitrogen atmosphere. Characterization confirmed a uniform porous structure with well-dispersed TiO₂ and magnetic MnFe₂O₄ nanoparticle [2]. 3D MnFe₂O₄-C-TiO₂ foam as photocatalyst exhibited excellent activity for the degradation and removal of Rhodamine B, Methyl Orange, and 2,4-Dinitrophenol from aqueous environments under sunlight irradiation, employing different ratios of TiO₂.This high performance is originated from in-situ formation of TiO₂ nanoparticles within the bubble lamellae. Thermal treatment stabilizes these nanoparticles around the pores, leading to a narrower band gap than that of pure TiO₂.This results in superior visible-light photocatalytic activity, enabling rapid degradation of various organic pollutants. This work presents a novel, magnetically recoverable 3D MnFe₂O₄-C-TiO₂, offering an efficient and practical solar-driven photocatalyst for wastewater treatment. |
| کلیدواژه ها |
| 3D magnetic foam, Solar photocatalyst, Organic pollutant removal, TiO2 nanoparticles, Easy recovery |
| وضعیت: پذیرفته شده |