Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles
In this work, Zn _1−x Mn _x O samples were synthesized by the hydrothermal method by varying the dopant ratio from x = 0.01 to 0.05 with 0.01 increment. Structural, optical and photocatalytic properties of Mn-doped ZnO were analyzed based on their concentration dependence. Structural behavior of the...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2020-01-01
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| Series: | Materials Research Express |
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| Online Access: | https://doi.org/10.1088/2053-1591/ab5eea |
| _version_ | 1797747135844712448 |
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| author | S D Senol B Yalcin E Ozugurlu L Arda |
| author_facet | S D Senol B Yalcin E Ozugurlu L Arda |
| author_sort | S D Senol |
| collection | DOAJ |
| description | In this work, Zn _1−x Mn _x O samples were synthesized by the hydrothermal method by varying the dopant ratio from x = 0.01 to 0.05 with 0.01 increment. Structural, optical and photocatalytic properties of Mn-doped ZnO were analyzed based on their concentration dependence. Structural behavior of the nanoparticles was studied by X-ray diffraction technique and it was found that Zn _1−x Mn _x O samples were hexagonal Wurtzite structure with no secondary phase. The effect of Mn element in Zn _1-x Mn _x O composition was clarified by calculating lattice parameters, cell volumes, stress, microstrain, the locality of the atoms dislocation density, displacement of atoms and bond length. SEM images revealed random agglomeration. The band gap and Urbach energies of Zn _1−x Mn _x O structures were determined and discussed. Different models were used to calculate refractive index and the refractive index was found in the range of 2.05–2.72. Mn-doped ZnO nanoparticles exhibited lower degradation rate constants (k = 0.0004–0.0009 min ^−1 ) than that of pure ZnO (k = 0.0014 min ^−1 ). Doping Mn increased the Urbach energy value. |
| first_indexed | 2024-03-12T15:46:51Z |
| format | Article |
| id | doaj.art-473a7b9e56f745b2b94e103ec8875855 |
| institution | Directory Open Access Journal |
| issn | 2053-1591 |
| language | English |
| last_indexed | 2024-03-12T15:46:51Z |
| publishDate | 2020-01-01 |
| publisher | IOP Publishing |
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| series | Materials Research Express |
| spelling | doaj.art-473a7b9e56f745b2b94e103ec88758552023-08-09T15:23:13ZengIOP PublishingMaterials Research Express2053-15912020-01-017101507910.1088/2053-1591/ab5eeaStructure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticlesS D Senol0B Yalcin1E Ozugurlu2https://orcid.org/0000-0002-1301-6963L Arda3https://orcid.org/0000-0003-0722-3891Bolu Abant Izzet Baysal University , Faculty of Arts & Science, Department of Chemistry, 14280 Bolu, TurkeyBahcesehir University , Faculty of Engineering and Natural Sciences, Department of Molecular Biology and Genetics, 34353, Besiktas, Istanbul, TurkeyIstanbul Technical University , Department of Mathematics, 34469, Maslak, Istanbul, TurkeyBahcesehir University , Faculty of Engineering and Natural Sciences, Department of Mechatronic Engineering, 34353, Besiktas, Istanbul, TurkeyIn this work, Zn _1−x Mn _x O samples were synthesized by the hydrothermal method by varying the dopant ratio from x = 0.01 to 0.05 with 0.01 increment. Structural, optical and photocatalytic properties of Mn-doped ZnO were analyzed based on their concentration dependence. Structural behavior of the nanoparticles was studied by X-ray diffraction technique and it was found that Zn _1−x Mn _x O samples were hexagonal Wurtzite structure with no secondary phase. The effect of Mn element in Zn _1-x Mn _x O composition was clarified by calculating lattice parameters, cell volumes, stress, microstrain, the locality of the atoms dislocation density, displacement of atoms and bond length. SEM images revealed random agglomeration. The band gap and Urbach energies of Zn _1−x Mn _x O structures were determined and discussed. Different models were used to calculate refractive index and the refractive index was found in the range of 2.05–2.72. Mn-doped ZnO nanoparticles exhibited lower degradation rate constants (k = 0.0004–0.0009 min ^−1 ) than that of pure ZnO (k = 0.0014 min ^−1 ). Doping Mn increased the Urbach energy value.https://doi.org/10.1088/2053-1591/ab5eeahydrothermal methoddiffuse reflectance spectroscopyrefractive indexphotocatalyticUrbach energyzinc oxide |
| spellingShingle | S D Senol B Yalcin E Ozugurlu L Arda Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles Materials Research Express hydrothermal method diffuse reflectance spectroscopy refractive index photocatalytic Urbach energy zinc oxide |
| title | Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles |
| title_full | Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles |
| title_fullStr | Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles |
| title_full_unstemmed | Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles |
| title_short | Structure, microstructure, optical and photocatalytic properties of Mn-doped ZnO nanoparticles |
| title_sort | structure microstructure optical and photocatalytic properties of mn doped zno nanoparticles |
| topic | hydrothermal method diffuse reflectance spectroscopy refractive index photocatalytic Urbach energy zinc oxide |
| url | https://doi.org/10.1088/2053-1591/ab5eea |
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