Practical Three-Minute Synthesis of Acid-Coated Fluorescent Carbon Dots with Tuneable Core Structure

Stephen A. Hill, David Benito-Alifonso, Sean A. Davis, Monica Berry, M. Carmen Galan*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

10 Citations (Scopus)
334 Downloads (Pure)

Abstract

We report a one-pot, three-minute synthesis of carboxylic acid-decorated fluorescent carbon dots (COOH-FCDs) with tuneable core morphology dependent on the surface passivating agent. Mechanism investigations highlighted the presence of key pyrazine and polyhydroxyl aromatic motifs, which are formed from the degradation of glucosamine in the presence of a bifunctional linker bearing acid and amine groups. The novel COOH-FCDs are selective Fe3+ and hemin sensors. Furthermore, the FCDs are shown to be non-toxic, fluorescent bioimaging agents for cancer cells.
Original languageEnglish
Article number12234
Number of pages10
JournalScientific Reports
Volume8
Early online date15 Aug 2018
DOIs
Publication statusPublished - 15 Aug 2018

Structured keywords

  • BCS and TECS CDTs

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