Polymer-Based Immobilized FePMo12O40@PVP Composite Materials for Photocatalytic RhB Degradation

IF 3.1 4区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Inorganics Pub Date : 2024-05-22 DOI:10.3390/inorganics12060144

Zijing Wang, Yuze Tang, Limei Ai, Minghui Liu, Yurong Wang

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引用次数: 0

Abstract

FePMo12O40@PVP composite materials were synthesized with the regulation of polyvinylpyrrolidone (PVP) to control the structure. The samples were characterized by FT-IR, XRD, XPS, SEM, TEM and UV-Vis DRS. The composite retains the Keggin-type polyoxometalates structure, exhibiting a high specific surface area that enhances photon capture efficiency. Analysis of UV-Vis DRS absorption band edge and band gap indicated that the composite was responsive to visible light. Photocatalytic degradation of Rhodamine B (RhB) by FePMo12O40@PVP was investigated under commonly used LED light source, demonstrating excellent photocatalytic performance as 2.5 g-FePMo12O40@PVP (0.015 g) can remove 83% of RhB (10 mg/L) in 40 min. The FePMo12O40@PVP composite material demonstrated sustained moderate degradation efficiency even after undergoing three cycles of repeated use. The non-covalent interaction and strong interfacial coupling between PVP and FePMo12O40 promoted the transfer of h+, and e−, ∙O2−, ·OH, and h+ served as the primary active species in this photocatalytic system. This environmentally friendly material has the potential to significantly reduce energy consumption and offers valuable insights for the future treatment of dye wastewater.

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基于聚合物的固定化 FePMo12O40@PVP 复合材料用于光催化降解 RhB

通过调节聚乙烯吡咯烷酮（PVP）来控制结构，合成了 FePMo12O40@PVP 复合材料。样品通过傅立叶变换红外光谱（FT-IR）、X射线衍射（XRD）、XPS、扫描电子显微镜（SEM）、电子显微镜（TEM）和紫外可见DRS进行了表征。该复合材料保留了 Keggin 型聚氧化金属盐结构，具有高比表面积，从而提高了光子捕获效率。紫外可见 DRS 吸收带边和带隙分析表明，该复合材料对可见光具有响应性。在常用的 LED 光源下，研究了 FePMo12O40@PVP 对罗丹明 B（RhB）的光催化降解，结果表明 2.5 g-FePMo12O40@PVP （0.015 g）在 40 分钟内可去除 83% 的 RhB（10 mg/L），具有优异的光催化性能。FePMo12O40@PVP 复合材料在经过三个循环的重复使用后，仍能保持适度的降解效率。PVP 与 FePMo12O40 之间的非共价作用和强界面耦合促进了 h+ 的转移，e-、∙O2-、-OH 和 h+ 成为该光催化系统中的主要活性物种。这种环境友好型材料具有显著降低能耗的潜力，并为未来处理染料废水提供了宝贵的见解。

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来源期刊

Inorganics Chemistry-Inorganic Chemistry

CiteScore

2.80

自引率

10.30%

发文量

193

审稿时长

6 weeks

期刊介绍： Inorganics is an open access journal that covers all aspects of inorganic chemistry research. Topics include but are not limited to: synthesis and characterization of inorganic compounds, complexes and materials structure and bonding in inorganic molecular and solid state compounds spectroscopic, magnetic, physical and chemical properties of inorganic compounds chemical reactivity, physical properties and applications of inorganic compounds and materials mechanisms of inorganic reactions organometallic compounds inorganic cluster chemistry heterogenous and homogeneous catalytic reactions promoted by inorganic compounds thermodynamics and kinetics of significant new and known inorganic compounds supramolecular systems and coordination polymers bio-inorganic chemistry and applications of inorganic compounds in biological systems and medicine environmental and sustainable energy applications of inorganic compounds and materials MD

文献相关原料

公司名称	产品信息	采购帮参考价格
希恩思	Rhodamine B
希恩思	PVP (MW 50,000)
希恩思	KBr