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Preparation and Fluorescent Wavelength Control of Multi-Color Nitrogen-Doped Carbon Nano-Dots
| Content Provider | MDPI |
|---|---|
| Author | Li, Wenli Tang, Ju Li, Yuzhao Bai, Han Zhang, Weizuo Zhang, Jin Xiao, Yiming Xu, Wen |
| Copyright Year | 2021 |
| Description | It is known that, by taking advantage of heteroatom doping, the electronic states and transition channels in carbon nano-dots (CNDs) can be effectively modulated. Thus, the photoluminescence (PL) properties of CNDs can be changed. For potential applications of CNDs as advanced materials for optoelectronic devices, it is important and significant to develop the practical techniques for doping heteroatoms into CNDs. In this work, we synthesize the multi-color fluorescent by using a fast and effective microwave method where the CNDs are nitrogen-doped. We examine the influence of different ratios of the raw materials on the structure and optical properties of N-CNDs. The results show that the prepared N-CNDs can generate blue (445 nm), green (546 nm), and orange (617 nm) fluorescence or PL with the mass ratio of the raw materials at 1:1, 1:2 and 1:3, respectively. We find that the N content in N-CNDs leads to different surface/edge states in |
| Starting Page | 3190 |
| e-ISSN | 20794991 |
| DOI | 10.3390/nano11123190 |
| Journal | Nanomaterials |
| Issue Number | 12 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-11-25 |
| Access Restriction | Open |
| Subject Keyword | Nanomaterials Quantum Science and Technology Carbon Nano-dots Nitrogen Doping Fluorescence Wavelength Regulating |
| Content Type | Text |
| Resource Type | Article |
