e-journal
Large-Scale Green Synthesis of Fluorescent Carbon Nanodots and Their Use in Optics Applications
An easy and green synthetic strategy for the one-pot large-scale preparation of carbon nanodots (C-dots) is demonstrated. The C-dots have a series of excellent optical features such as strong fl uorescence and excitationwavelength-dependent photoluminescence properties. Notably, C-dots can be rapidly and facilely achieved on a large scale (e.g., 0.3 g C-dots/25 min)by using cheap, accessible, and natural materials (e.g., milk, honey, silk, hair,lemon, and magnolia) as the green carbonaceous precursor. The as-prepared C-dots, which are shown to serve as high-performance fl uorescent stains, are superbly suitable for a variety of optics-related applications, including in vitro and in vivo bioimaging, printing inks, and sensors. Eventually, this kind of microwave-assisted strategy could serve as a powerful tool for synthesizing large-scale C-dots with strong fl uorescence, holding great promise for myriad
optics-related applications.
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