Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light
Zinc ferrites (ZnFe2O4), with spinel-like structure, were produced by combustion reaction synthesis in solution and heat-treated at temperatures of 400–1100 °C. The structural and chemical properties of the ZnFe2O4 samples were investigated by X-ray diffraction (XRD), Fourier transforms infrared spe...
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| Format: | Article |
| Language: | English |
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Elsevier
2020-11-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785420319396 |
| _version_ | 1818666920787836928 |
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| author | Thayane Portela Oliveira Gleison Neres Marques Mário Andrean Macedo Castro Rayssa Cristina Viana Costa José Hilton Gomes Rangel Samuel Filgueiras Rodrigues Clenilton Costa dos Santos Marcelo Moizinho Oliveira |
| author_facet | Thayane Portela Oliveira Gleison Neres Marques Mário Andrean Macedo Castro Rayssa Cristina Viana Costa José Hilton Gomes Rangel Samuel Filgueiras Rodrigues Clenilton Costa dos Santos Marcelo Moizinho Oliveira |
| author_sort | Thayane Portela Oliveira |
| collection | DOAJ |
| description | Zinc ferrites (ZnFe2O4), with spinel-like structure, were produced by combustion reaction synthesis in solution and heat-treated at temperatures of 400–1100 °C. The structural and chemical properties of the ZnFe2O4 samples were investigated by X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FT-IR), Field Emission Gun Scanning Electron Microscopy (FEG-SEM) with X-ray dispersive spectroscopy (EDS), and diffuse reflectance spectroscopy (DRS) in the ultraviolet (Uv–vis) region. The photocatalytic performance of this compound was investigated in order to evaluate the green malachite and rhodamine B dyes degradation under visible irradiation. The XRD patterns results reveal the presence of cubic ZnFe2O4 at all heat-treated temperatures and pure phase above 800 °C. The presence of spherical and porous agglomerate morphology was confirmed through SEM analysis. Absorption bands between 400 and 600 cm−1 in the infrared spectra confirmed the presence of the ferrite phase. Diffuse reflectance results on the ZnFe2O4 samples showed that absorption occurred in the visible light range. The best temperature of the photocatalytic degradation performance of the dyes was 400 °C. This was more pronounced for the green malachite dye when compared to rhodamine B due to secondary phases and smaller crystal sizes. |
| first_indexed | 2024-12-17T06:12:12Z |
| format | Article |
| id | doaj.art-d70cf476f157473e8c28b84693918d4a |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-12-17T06:12:12Z |
| publishDate | 2020-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-d70cf476f157473e8c28b84693918d4a2022-12-21T22:00:36ZengElsevierJournal of Materials Research and Technology2238-78542020-11-01961500115015Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible lightThayane Portela Oliveira0Gleison Neres Marques1Mário Andrean Macedo Castro2Rayssa Cristina Viana Costa3José Hilton Gomes Rangel4Samuel Filgueiras Rodrigues5Clenilton Costa dos Santos6Marcelo Moizinho Oliveira7Graduate Program in Materials Engineering, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, BrazilGraduate Program in Materials Engineering, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, BrazilGraduate Program in Materials Engineering, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, BrazilGraduate Program in Chemistry, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, BrazilGraduate Program in Chemistry, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, BrazilGraduate Program in Materials Engineering, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, Brazil; Corresponding author.Graduate Program in Physics, Federal University of Maranhão, São Luís, 65085-580, BrazilGraduate Program in Materials Engineering, Federal Institute of Education, Science and Technology of Maranhão, Sao Luis, 65075-441, BrazilZinc ferrites (ZnFe2O4), with spinel-like structure, were produced by combustion reaction synthesis in solution and heat-treated at temperatures of 400–1100 °C. The structural and chemical properties of the ZnFe2O4 samples were investigated by X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FT-IR), Field Emission Gun Scanning Electron Microscopy (FEG-SEM) with X-ray dispersive spectroscopy (EDS), and diffuse reflectance spectroscopy (DRS) in the ultraviolet (Uv–vis) region. The photocatalytic performance of this compound was investigated in order to evaluate the green malachite and rhodamine B dyes degradation under visible irradiation. The XRD patterns results reveal the presence of cubic ZnFe2O4 at all heat-treated temperatures and pure phase above 800 °C. The presence of spherical and porous agglomerate morphology was confirmed through SEM analysis. Absorption bands between 400 and 600 cm−1 in the infrared spectra confirmed the presence of the ferrite phase. Diffuse reflectance results on the ZnFe2O4 samples showed that absorption occurred in the visible light range. The best temperature of the photocatalytic degradation performance of the dyes was 400 °C. This was more pronounced for the green malachite dye when compared to rhodamine B due to secondary phases and smaller crystal sizes.http://www.sciencedirect.com/science/article/pii/S2238785420319396Zinc ferriteCombustion in solutionPhotocatalysisVisible-light photocatalysis |
| spellingShingle | Thayane Portela Oliveira Gleison Neres Marques Mário Andrean Macedo Castro Rayssa Cristina Viana Costa José Hilton Gomes Rangel Samuel Filgueiras Rodrigues Clenilton Costa dos Santos Marcelo Moizinho Oliveira Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light Journal of Materials Research and Technology Zinc ferrite Combustion in solution Photocatalysis Visible-light photocatalysis |
| title | Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light |
| title_full | Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light |
| title_fullStr | Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light |
| title_full_unstemmed | Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light |
| title_short | Synthesis and photocatalytic investigation of ZnFe2O4 in the degradation of organic dyes under visible light |
| title_sort | synthesis and photocatalytic investigation of znfe2o4 in the degradation of organic dyes under visible light |
| topic | Zinc ferrite Combustion in solution Photocatalysis Visible-light photocatalysis |
| url | http://www.sciencedirect.com/science/article/pii/S2238785420319396 |
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