Abstract
Fragrant nitrogen-doped carbon dots of gram scale can be prepared from commercial bee pollens by a hydrothermal process. These carbon dots of 1-2 nm in size show promising applications in cellular imaging and catalysis/photocatalysis.
Highlights
Since its serendipitous discovery,[1,2] photoluminescent carbon nanoparticles have aroused intense interests and soon become a star material among a diversity of nanomaterials.[3]
Bee pollen is a mass of pollen packed by worker honeybees into granules used for feeding its larvae in the early stage of development and producing royal jelly
For centuries bee pollens have been favorably consumed as diet supplementation since they are rich in biomolecules, including sugars, proteins, amino acids, and nucleic acids.[9]
Summary
Since its serendipitous discovery,[1,2] photoluminescent carbon nanoparticles (or carbon dots, CDs) have aroused intense interests and soon become a star material among a diversity of nanomaterials.[3]. The CDs are fragrant and doped with a relatively high content of nitrogen, exhibiting fluorescence quantum yields (QYs) between 6.1% and 12.8%, depending on the species of bee pollen and reaction time.
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