Abstract
Carbon quantum dots (CQDs) are widely used in biological imaging, biosensors and nanocaterials. Because of their good optical properties, biocompatibility, low toxicity, easy surface functionalization and other advantages. In this paper, Carbon quantum dots was prepared by one-step hydrothermal method with glucose as carbon source. The effects of the reaction time and the reaction temperature were investigated. The morphology of CQDs was observed by transmission electron microscopy and their structural properties were characterized using fluorescence spectrum, Fourier transform infrared spectrum and uv-visible spectrum. The experimental results show that CQDs with good performance is synthesized successfully by this method, and the synthesized CQDs has the best performance at 180°C and 8 h.
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