Abstract
Carbon dots(CDs)have attracted considerable attention as a new type of fluorescent carbon nanomaterial because of their excellent optical properties,biocompatibility,and high electrical conductivity.Research on CDs has been conducted for nearly two decades and has focused on numerous precursors,various synthesis conditions and properties and applications of CDs.Biomass is critical in the green development of CDs because of its low cost,environmental friendliness,and sustainable properties.This review focuses on the advantages and applications of biomass-derived CDs.In addition,the challenges of photobleaching,toxicity,and stability of biomass-based CDs are discussed in detail.Lastly,the prospects and challenges of biomass-derived CDs are highlighted.
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