Green chemical method for large-scale solid-phase synthesis of fluorescent carbon dots in air

The invention relates to a green chemical method for large-scale solid-phase synthesis of fluorescent carbon dots in air. The method comprises the following steps: preparing a carbon source into nanoparticles with uniform size, uniformly dispersing the carbon source nanoparticles into an inorganic solid catalyst, compacting, heating in air, cooling, washing with water, and extracting with an organic solvent to obtain the fluorescent carbon dots. According to the invention, the method does not need high-temperature and high-pressure reaction equipment, does not need a large number of organic solvents and does not need to treat waste water and waste liquid, is green and environment-friendly, low in cost, convenient to operate, high in yield and suitable for a new industrial route, and the carbon dots manufactured on a large scale are expected to be applied to multiple fields such as illumination display, fluorescent falsification prevention, analysis and detection, photoelectrocatalysis and the like. 本发明涉及一种在空气