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用于高效析氧反应及亚甲基蓝光降解的CuWO@MIL-101(Fe)纳米复合材料的制备

Fabrication of CuWO@MIL-101 (Fe) nanocomposite for efficient OER and photodegradation of methylene blue.

作者信息

Khan Mariam, Ahmed Muhammad Mahboob, Akhtar Muhammad Nadeem, Sajid Muhammad, Riaz Nagina Naveed, Asif Muhammad, Kashif Muhammad, Shabbir Bushra, Ahmad Khalil, Saeed Muhammad, Shafiq Maryam, Shabir Tayyaba

机构信息

Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, 60800, Pakistan.

Department of Chemistry, Ghazi University, Dera Ghazi Khan, 32200, Pakistan.

出版信息

Heliyon. 2024 Nov 20;10(23):e40546. doi: 10.1016/j.heliyon.2024.e40546. eCollection 2024 Dec 15.

DOI:10.1016/j.heliyon.2024.e40546
PMID:39654752
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11626014/
Abstract

The development of an efficient catalyst to meet the worlds increasing energy demand and eliminate organic pollutants in water, is a concern of current researchers. In this article, a highly effective composite has been synthesized using the solvothermal approach, by incorporating CuWO nanoparticles into Fe-based MOF, Fe (BDC). The synthesized samples were analyzed further by some characterization techniques such as X-ray diffraction, Fourier transform infrared spectroscope (FTIR) and scanning electron microscopy. The highest catalytic activity for the oxygen evolution reaction was observed in the CuWO@MIL-101(Fe) composite, which exhibited low overpotential 188 mV to obtained the current density of 10 mA cm, and a smaller Tafel slope of 40 mV dec. The nanocomposite CuWO@MIL-101(Fe) material showed enhanced visible light absorption and maximum degradation of methylene blue up to 96.92 %. It has been found that this research promotes the development of an efficient MOF-based catalyst for OER and photocatalytic technology.

摘要

开发一种高效催化剂以满足全球不断增长的能源需求并消除水中的有机污染物，是当前研究人员关注的问题。在本文中，通过溶剂热法将CuWO纳米颗粒掺入铁基金属有机框架Fe(BDC)中，合成了一种高效复合材料。通过X射线衍射、傅里叶变换红外光谱仪(FTIR)和扫描电子显微镜等一些表征技术对合成的样品进行了进一步分析。在CuWO@MIL-101(Fe)复合材料中观察到最高的析氧反应催化活性，其表现出低过电位188 mV以获得10 mA cm的电流密度，以及40 mV dec的较小塔菲尔斜率。纳米复合材料CuWO@MIL-101(Fe)材料显示出增强的可见光吸收，亚甲基蓝的最大降解率高达96.92%。已经发现，这项研究促进了用于析氧反应和光催化技术的高效金属有机框架基催化剂的开发。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/577b10651424/gr13.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/4c9ce1bdef12/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/6e844f236d72/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/c161fedbc755/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/2378b9fe53ef/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/6437a2cb24a2/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/3d50c3806b3f/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/43299d309d6c/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/129da9ed7eda/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/92be113e4ab9/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/c32ec5f9b54c/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/e5ee0301b98e/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/77c45f91e4c3/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/de86cb098bc0/gr12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c61/11626014/577b10651424/gr13.jpg

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