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Content Provider | IET Digital Library |
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Author | Dong, Limin Zhang, Wanqi Li, Xuejiao Geng, Xiaoyao |
Abstract | Owing to its excellent fluorescence stability, unique up-conversion fluorescence properties and biocompatibility, carbon-quantum dots (CQDs) have become a research hot spot in the field of carbon materials. This study used a series of different preparation strategies to synthesise CQDs such as microwave method, solvothermal method and hydrothermal method. The prepared quantum dots can be further applied to design and metal ion detection. It is worth noting that the CQDs prepared by the hydrothermal method are evenly distributed in the range of 2–3 nm without any agglomeration. Fluorescence quenching was performed by Fe3+, and the introduction of PO4 3− ion could increase the fluorescence intensity of CQDs-Fe3+ system. Furthermore, CQDs were hydroxyl functionalised by treating with ethanol. The functionalised CQDs synthesised by solvothermal method greatly enhanced the fluorescence intensity. |
Starting Page | 440 |
Ending Page | 444 |
Page Count | 5 |
Volume Number | 14 |
e-ISSN | 17500443 |
Issue Number | Issue 4, Apr (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/4 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5369 |
Journal | Micro & Nano Letters |
Publisher Date | 2019-04-03 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Agglomeration Carbon Carbon-quantum Dots Ethanol Fe3+ Detection Fluorescence Fluorescence Intensity Fluorescence Quenching Fluorescence Stability Hydrothermal Method Hydroxyl Function Inorganic SemiConductor And Insulator Metal Ion Detection Microwave Material Processing Microwave Method Nanofabrication NanoParticle Nanostructured Material Nanotube And Nanostructured Material Optical Property Photoluminescence in Other Inorganic Material Quantum Dots Radiation Quenching Solvothermal Method Structure of Solid Clusters Up-conversion Fluorescence Property |
Content Type | Text |
Resource Type | Article |
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