CeO2 耦合对 CePO4 纳米粒子的结构、光学和光催化性能的影响

IF 0.9 4区 化学 Q4 CHEMISTRY, PHYSICAL High Energy Chemistry Pub Date : 2024-04-21 DOI:10.1134/s0018143924020024
A. Athique Ahmed, Ancy Kurian, S. Abima, S. Sumathi
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引用次数: 0

摘要

摘要 本研究采用水热技术合成了 CeO2 耦合 CePO4 纳米复合材料并对其进行了表征,以检验耦合复合材料的光催化活性。利用 XRD、FTIR、UV-DRS、PL、SEM 和 EDS 技术分析了化合物的结构、光学和形态特征。里特维尔德精炼法为了解这些化合物的结构特性提供了宝贵的信息。为了说明 CeO2 和 CePO4 的成功耦合,还构建了一个三维模型。通过与 CeO2 的偶联,CePO4 的光催化性能显著提高,C70(CeO2 和 CePO4 重量比为 70:30)复合材料对 RhB 和 MO 染料的降解效率最高。对活性氧物种进行了分析,以确定耦合复合材料的机理。此外,合成的复合材料还表现出卓越的特异性、稳定性和可重复使用性。
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Effect of CeO2 Coupling on the Structural, Optical and Photocatalytic Performance of CePO4 Nanoparticles

Abstract

This research work presents the synthesis and characterization of CeO2 coupled CePO4 nanocomposites using a hydrothermal technique to examine the coupled composites photocatalytic activity. Stru-ctural, optical and morphological characteristics of the compounds were analysed using XRD, FTIR, UV-DRS, PL, SEM, and EDS techniques. Rietveld refinement provided valuable insights into their structural properties. A 3D model was constructed to illustrate the successful coupling of CeO2 and CePO4. The photocatalytic performance of CePO4 was significantly increased by coupling with CeO2, and the C70 (70 : 30 weight ratio of CeO2 and CePO4) composite exhibited the highest degradation efficiency for RhB and MO dyes. Reactive oxygen species analysis was conducted to attribute the mechanism of the coupled composite. Furthermore, the synthesized composites demonstrated excellent specificity, stability, and reusability.

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来源期刊
High Energy Chemistry
High Energy Chemistry 化学-物理化学
CiteScore
1.50
自引率
28.60%
发文量
62
审稿时长
6-12 weeks
期刊介绍: High Energy Chemistry publishes original articles, reviews, and short communications on molecular and supramolecular photochemistry, photobiology, radiation chemistry, plasma chemistry, chemistry of nanosized systems, chemistry of new atoms, processes and materials for optical information systems and other areas of high energy chemistry. It publishes theoretical and experimental studies in all areas of high energy chemistry, such as the interaction of high-energy particles with matter, the nature and reactivity of short-lived species induced by the action of particle and electromagnetic radiation or hot atoms on substances in their gaseous and condensed states, and chemical processes initiated in organic and inorganic systems by high-energy radiation.
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