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磁性可分离的FeO@SiO@ZnO-Ag复合光催化剂的合成、表征及光催化活性

Synthesis, Characterization, and Photocatalytic Activity of Magnetically Separable FeO@SiO@ZnO-Ag Composite Photocatalyst.

作者信息

Kiziltas Hakan, Tekin Taner, Birhan Derya, Tekin Derya

机构信息

Department of Chemical Engineering Ataturk University Erzurum 25240 Turkey.

Department of Metallurgy and Materials Engineering Ataturk University Erzurum 25240 Turkey.

出版信息

Glob Chall. 2024 Jul 17;8(9):2400093. doi: 10.1002/gch2.202400093. eCollection 2024 Sep.

DOI:10.1002/gch2.202400093
PMID:39440228
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11492397/
Abstract

Magnetically separable FeO, FeO@SiO, FeO@SiO@ZnO, and FeO@SiO@ZnO-Ag composites are synthesized using hydrothermal and wet chemistry methods. The samples obtained are characterized in terms of morphology, composition, optical, and magnetic properties using TEM, SEM-EDS, XRD, FTIR, VSM, XPS, and UV-vis, and the photodegradation of Acid Blue 161 dye under UV irradiation is investigated. As a result of SEM and TEM analyses, the diameters of FeO, FeO@SiO, FeO@SiO@ZnO, and FeO@SiO@ZnO-Ag composites are determined as 210, 220, 230 and 235 nm, respectively. The magnetic properties of the samples are determined by VSM analysis. In VSM analyses, magnetization saturation values of FeO, FeO@SiO, FeO@SiO@ZnO, and FeO@SiO@ZnO-Ag composites are determined as 81, 64, 41 and 20 emus × , respectively. In XRD analysis, the face-centered cubic structure of FeO particles and the hexagonal wurtzite structure of ZnO are determined and it is determined that they are compatible with standard diffraction cards. According to UV-Vis analysis, values for FeO, FeO@SiO, FeO@SiO@ZnO, and FeO@SiO@ZnO-Ag composites are found as 1.3, 1.68, 2.21, and 2.15 eV, respectively. Among the photocatalysts prepared, FeO@SiO@ZnO-Ag composite Acid Blue 161 shows superior removal and recyclability against photodegradation of the dyestuff.

摘要

采用水热法和湿化学法合成了磁性可分离的FeO、FeO@SiO、FeO@SiO@ZnO和FeO@SiO@ZnO-Ag复合材料。使用透射电子显微镜（TEM）、扫描电子显微镜-能谱仪（SEM-EDS）、X射线衍射仪（XRD）、傅里叶变换红外光谱仪（FTIR）、振动样品磁强计（VSM）、X射线光电子能谱仪（XPS）和紫外可见分光光度计（UV-vis）对所得样品的形貌、组成、光学和磁性进行了表征，并研究了其在紫外光照射下对酸性蓝161染料的光降解性能。扫描电子显微镜（SEM）和透射电子显微镜（TEM）分析结果表明，FeO、FeO@SiO、FeO@SiO@ZnO和FeO@SiO@ZnO-Ag复合材料的直径分别为210、220、230和235纳米。通过振动样品磁强计（VSM）分析确定了样品的磁性。在振动样品磁强计（VSM）分析中，FeO、FeO@SiO、FeO@SiO@ZnO和FeO@SiO@ZnO-Ag复合材料的磁化饱和值分别确定为81、64、41和20 emu×。在X射线衍射仪（XRD）分析中，确定了FeO颗粒的面心立方结构和ZnO的六方纤锌矿结构，并确定它们与标准衍射卡片相匹配。根据紫外可见分光光度计（UV-Vis）分析，FeO、FeO@SiO、FeO@SiO@ZnO和FeO@SiO@ZnO-Ag复合材料的值分别为1.3、1.68、2.21和2.15电子伏特。在所制备的光催化剂中，FeO@SiO@ZnO-Ag复合材料对酸性蓝161染料的光降解表现出优异的去除率和可回收性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/f0ef8b2d7ee4/GCH2-8-2400093-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/8342a216929a/GCH2-8-2400093-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/cb9cf0c6844f/GCH2-8-2400093-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/ef38bf9912e0/GCH2-8-2400093-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/d169e02b5425/GCH2-8-2400093-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/a89d39dd62cf/GCH2-8-2400093-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/904e08001b27/GCH2-8-2400093-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/45372f88ee72/GCH2-8-2400093-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/fde4969b3790/GCH2-8-2400093-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/f0ef8b2d7ee4/GCH2-8-2400093-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/8342a216929a/GCH2-8-2400093-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/cb9cf0c6844f/GCH2-8-2400093-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/a3268742f62b/GCH2-8-2400093-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/ef38bf9912e0/GCH2-8-2400093-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/d169e02b5425/GCH2-8-2400093-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/a89d39dd62cf/GCH2-8-2400093-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/904e08001b27/GCH2-8-2400093-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/45372f88ee72/GCH2-8-2400093-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/fde4969b3790/GCH2-8-2400093-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/60be/11492397/f0ef8b2d7ee4/GCH2-8-2400093-g008.jpg

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