Greener synthesis and optimization of highly photoluminescence Mn super(2+)-doped ZnS quantum dots
In this study, ZnS quantum dots (QDs) and strong yellow light-emitting Mn super(2+)-doped ZnS QDs are synthesized using 3-mercaptopropionic acid (MPA) as a stabilizer by a promising preparation method in an aqueous solution. Further, the photoluminescence (PL) properties of the ZnS QDs under differe...
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| Veröffentlicht in: | Journal of luminescence 2015-02, Vol.158, p.176-180 |
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| container_title | Journal of luminescence |
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| creator | Zhou, Chunyan Song, Jiahui Zhou, Liya Zhong, Liping Liu, Jiaxian Qi, Yaya |
| description | In this study, ZnS quantum dots (QDs) and strong yellow light-emitting Mn super(2+)-doped ZnS QDs are synthesized using 3-mercaptopropionic acid (MPA) as a stabilizer by a promising preparation method in an aqueous solution. Further, the photoluminescence (PL) properties of the ZnS QDs under different conditions are thoroughly investigated. Under optimized experimental conditions, the structure of the obtained ZnS:Mn super(2+) nanocrystals is consistent with that of the cubic zinc blende crystal, with a nearly spherical shape of approximately 5 nm average diameter. The emission peak varies from 450 nm to 575 nm with Mn super(2+) doping, which suggests effective energy transfer from the host ZnS QDs to the dopant Mn super(2+) ions. The results indicate that ZnS:Mn super(2+) QDs can potentially be used in light-emitting diodes (LEDs). |
| doi_str_mv | 10.1016/j.jlumin.2014.09.053 |
| format | Article |
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Further, the photoluminescence (PL) properties of the ZnS QDs under different conditions are thoroughly investigated. Under optimized experimental conditions, the structure of the obtained ZnS:Mn super(2+) nanocrystals is consistent with that of the cubic zinc blende crystal, with a nearly spherical shape of approximately 5 nm average diameter. The emission peak varies from 450 nm to 575 nm with Mn super(2+) doping, which suggests effective energy transfer from the host ZnS QDs to the dopant Mn super(2+) ions. 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Further, the photoluminescence (PL) properties of the ZnS QDs under different conditions are thoroughly investigated. Under optimized experimental conditions, the structure of the obtained ZnS:Mn super(2+) nanocrystals is consistent with that of the cubic zinc blende crystal, with a nearly spherical shape of approximately 5 nm average diameter. The emission peak varies from 450 nm to 575 nm with Mn super(2+) doping, which suggests effective energy transfer from the host ZnS QDs to the dopant Mn super(2+) ions. The results indicate that ZnS:Mn super(2+) QDs can potentially be used in light-emitting diodes (LEDs).</abstract><doi>10.1016/j.jlumin.2014.09.053</doi></addata></record> |
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| ispartof | Journal of luminescence, 2015-02, Vol.158, p.176-180 |
| issn | 0022-2313 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1651379659 |
| source | Access via ScienceDirect (Elsevier) |
| subjects | Crystal structure Energy transfer Luminescence Optimization Photoluminescence Quantum dots Zinc Zinc sulfides |
| title | Greener synthesis and optimization of highly photoluminescence Mn super(2+)-doped ZnS quantum dots |
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