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. 2015, 46(09): 21-0.
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Abstract: Carbon quantum dots (CQDs, C-dots or CDs), a new type of carbon materials, less than 10 nm in size, have a lot of excellent performance, such as superior solubility in water, chemical inertness, low toxicity, easy functionalization, resistance to photobleaching and good photostability, having attracted widespread attention as a rising star in nanocarbon family in recent years. Since the phenomenon of bright colorful light from carbon quantum dots was reported in 2006, research groups around the world have begun to investigate the carbon quantum dots. CQDs produced from various synthetic strategies find their wide values in more and more fields, especially in biomedicine, optoeletronics, catalysis and sensors. In this review, we describe the recent progress in the field of CQDs, focusing on their synthetic methods, size control, modification strategies, photoelectric properties, luminescent mechanism, and applications in biomedicine, optoelectronics, catalysis and sensor issues.