FeVO4/g-C3N4异质结:表征及合成N-(吡啶-2-酰基)肉桂酰胺类似物的光催化方法

IF 2.3 4区 化学 Q3 CHEMISTRY, PHYSICAL
Mohamed Sulthan Hasan Fathima Afridha, Selvaraj Mohana Roopan
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引用次数: 0

摘要

基于半导体的纳米光催化剂因其催化有机过程的倾向而受到广泛关注。为了提高高效金属钒酸盐FeVO4的光催化活性,制备了FeVO4和石墨C3N4纳米复合材料。采用粉末x射线衍射(XRD)、N2吸附-解吸、扫描/透射电子显微镜、能量色散x射线分析(EDAX)、傅里叶变换红外光谱(FTIR)、漫反射紫外-可见光谱(UV-DRS)、x射线光电子能谱(XPS)和光致发光等一系列互补技术进行表征。形态学研究表明,FeVO4纳米颗粒在C3N4表面随机分布。光学研究揭示了纳米复合材料在可见光区的光催化性能。将该纳米复合材料应用于蓝色LED照明下合成N-(吡啶-2-酰基)肉桂酰胺类似物。反应4 h后收率达到92%。光催化机理进行了评估,并进行了可重复使用性研究,确定了复合材料连续运行5次的稳定性。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
FeVO4/g-C3N4 Heterojunction: Characterization and Photocatalytic Approach Towards the Synthesis of N-(Pyridin-2-yl)cinnamamide Analogues

Nano photocatalysts based on semiconductors have received significant attention because of their tendency to catalyse organic processes. To enhance the photocatalytic activity of the highly effective metal vanadate FeVO4, FeVO4 and graphitic C3N4 nanocomposites were created. A range of complementary techniques, such as powder X-ray diffraction (XRD), N2 adsorption–desorption, scanning/transmission electron microscopy, energy dispersive X-ray analysis (EDAX), Fourier transform infrared spectroscopy (FTIR), diffuse reflectance ultraviolet-visible spectroscopy (UV-DRS), X-ray photoelectron spectroscopy (XPS), and photoluminescence, were employed for characterisation. Morphological studies revealed that the FeVO4 nanoparticles were randomly distributed on the surface of C3N4. Optical studies revealed the photocatalytic performance of the nanocomposites in the visible-light region. The nanocomposite was applied to the synthesis of N-(pyridin-2-yl)cinnamamide analogues under blue LED illumination. The reaction reached a maximum yield of 92% after 4 h. The photocatalytic mechanism was evaluated, and reusability studies were conducted, which established the stability of the composite for up to five consecutive runs.

Graphical Abstract

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来源期刊
Catalysis Letters
Catalysis Letters 化学-物理化学
CiteScore
5.70
自引率
3.60%
发文量
327
审稿时长
1 months
期刊介绍: Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.
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