Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method
<p>Abstract</p> <p>This work described a continuous method to synthesize CdTe/CdS/ZnS core/shell/shell quantum dots. In an integrated system by flawlessly combining the chemical aerosol flow system working at high temperature (200–300°C) to generate CdTe/CdS inte...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2009-01-01
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| Series: | Nanoscale Research Letters |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1007/s11671-009-9464-x |
| _version_ | 1797724521746137088 |
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| author | Chen Dong Yan Chuanmiao Tang Fangqiong Li Linlin Li Hongbo Huang Xinglu Meng Xianwei Ren Jun |
| author_facet | Chen Dong Yan Chuanmiao Tang Fangqiong Li Linlin Li Hongbo Huang Xinglu Meng Xianwei Ren Jun |
| author_sort | Chen Dong |
| collection | DOAJ |
| description | <p>Abstract</p> <p>This work described a continuous method to synthesize CdTe/CdS/ZnS core/shell/shell quantum dots. In an integrated system by flawlessly combining the chemical aerosol flow system working at high temperature (200–300°C) to generate CdTe/CdS intermediate products and an additional heat-up setup at relatively low temperature to overcoat the ZnS shells, the CdTe/CdS/ZnS multishell structures were realized. The as-synthesized CdTe/CdS/ZnS core/shell/shell quantum dots are characterized by photoluminescence spectra, X-ray diffraction (XRD), energy-dispersive X-ray spectra (EDS), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HRTEM). Fluorescence and XRD results confirm that the obtained quantum dots have a core/shell/shell structure. It shows the highest quantum yield above 45% when compared to the rhodamine 6G. The core/shell/shell QDs were more stable via the oxidation experiment by H<sub>2</sub>O<sub>2</sub>.</p> |
| first_indexed | 2024-03-12T10:18:21Z |
| format | Article |
| id | doaj.art-0e6924b4ac854d759db8c606ac92b3f9 |
| institution | Directory Open Access Journal |
| issn | 1931-7573 1556-276X |
| language | English |
| last_indexed | 2024-03-12T10:18:21Z |
| publishDate | 2009-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nanoscale Research Letters |
| spelling | doaj.art-0e6924b4ac854d759db8c606ac92b3f92023-09-02T10:19:09ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2009-01-0151189194Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow MethodChen DongYan ChuanmiaoTang FangqiongLi LinlinLi HongboHuang XingluMeng XianweiRen Jun<p>Abstract</p> <p>This work described a continuous method to synthesize CdTe/CdS/ZnS core/shell/shell quantum dots. In an integrated system by flawlessly combining the chemical aerosol flow system working at high temperature (200–300°C) to generate CdTe/CdS intermediate products and an additional heat-up setup at relatively low temperature to overcoat the ZnS shells, the CdTe/CdS/ZnS multishell structures were realized. The as-synthesized CdTe/CdS/ZnS core/shell/shell quantum dots are characterized by photoluminescence spectra, X-ray diffraction (XRD), energy-dispersive X-ray spectra (EDS), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HRTEM). Fluorescence and XRD results confirm that the obtained quantum dots have a core/shell/shell structure. It shows the highest quantum yield above 45% when compared to the rhodamine 6G. The core/shell/shell QDs were more stable via the oxidation experiment by H<sub>2</sub>O<sub>2</sub>.</p>http://dx.doi.org/10.1007/s11671-009-9464-xChemical aerosol flowCdTe/CdS/ZnSAqueousCore–shellQuantum dot |
| spellingShingle | Chen Dong Yan Chuanmiao Tang Fangqiong Li Linlin Li Hongbo Huang Xinglu Meng Xianwei Ren Jun Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method Nanoscale Research Letters Chemical aerosol flow CdTe/CdS/ZnS Aqueous Core–shell Quantum dot |
| title | Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method |
| title_full | Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method |
| title_fullStr | Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method |
| title_full_unstemmed | Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method |
| title_short | Synthesis of Aqueous CdTe/CdS/ZnS Core/shell/shell Quantum Dots by a Chemical Aerosol Flow Method |
| title_sort | synthesis of aqueous cdte cds zns core shell shell quantum dots by a chemical aerosol flow method |
| topic | Chemical aerosol flow CdTe/CdS/ZnS Aqueous Core–shell Quantum dot |
| url | http://dx.doi.org/10.1007/s11671-009-9464-x |
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