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核心技术专利：CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2025

利用L.提取物绿色合成铜/氧化镁纳米复合材料及其在水介质中还原亚甲基蓝、刚果红和硝基化合物的催化活性研究。

Green synthesis of a Cu/MgO nanocomposite by  L. extract and investigation of its catalytic activity in the reduction of methylene blue, congo red and nitro compounds in aqueous media.

作者信息

Nasrollahzadeh Mahmoud, Issaabadi Zahra, Sajadi S Mohammad

机构信息

Department of Chemistry, Faculty of Science, University of Qom Qom 3716146611 Iran

Center of Environmental Researches, University of Qom Qom Iran.

出版信息

RSC Adv. 2018 Jan 18;8(7):3723-3735. doi: 10.1039/c7ra13491f. eCollection 2018 Jan 16.

DOI:10.1039/c7ra13491f
PMID:35542927
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9077691/
Abstract

This work reports the green synthesis of a Cu/MgO nanocomposite using L. extract as a reducing agent without stabilizers or surfactants. The immobilization of Cu NPs was confirmed by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM) and energy dispersive X-ray spectroscopy (EDS). The Cu/MgO nanocomposite acts as a heterogeneous and recyclable catalyst for the reduction of 4-nitrophenol (4-NP), 2,4-dinitrophenylhydrazine (2,4-DNPH), methylene blue (MB) and congo red (CR) using sodium borohydride in aqueous media at room temperature. The catalyst was recycled multiple times without any significant loss of its catalytic activity.

摘要

这项工作报道了以L.提取物作为还原剂，在无稳定剂或表面活性剂的情况下绿色合成铜/氧化镁纳米复合材料。通过傅里叶变换红外光谱（FT-IR）、X射线衍射（XRD）、透射电子显微镜（TEM）、场发射扫描电子显微镜（FESEM）和能量色散X射线光谱（EDS）证实了铜纳米颗粒的固定化。在室温下的水介质中，铜/氧化镁纳米复合材料作为一种多相且可循环使用的催化剂，用于硼氢化钠还原4-硝基苯酚（4-NP）、2,4-二硝基苯肼（2,4-DNPH）、亚甲基蓝（MB）和刚果红（CR）。该催化剂可多次循环使用，且其催化活性无任何显著损失。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/be94688ca9ca/c7ra13491f-f15.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/e7ccd819c7c1/c7ra13491f-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/be94688ca9ca/c7ra13491f-f15.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/e7ccd819c7c1/c7ra13491f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/941230cde231/c7ra13491f-s1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/f8a0c4732411/c7ra13491f-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/e4ea33651883/c7ra13491f-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/0c00c8eb317d/c7ra13491f-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/0dcefb05d7e3/c7ra13491f-f9.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/0fa84fbc513c/c7ra13491f-f11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/26c27b6442f2/c7ra13491f-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/baf5024a731c/c7ra13491f-f13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/5115d5cccbae/c7ra13491f-f14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a7a8/9077691/be94688ca9ca/c7ra13491f-f15.jpg

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