Facile Synthesis of B/P Co-Doping Multicolor Emissive Carbon Dots Derived from Phenylenediamine Isomers and Their Application in Anticounterfeiting

Carbon dots (CDs) possess a considerable number of beneficial features for latent applications in biotargeted drugs, electronic transistors, and encrypted information. The synthesis of fluorescent carbon dots has become a trend in contemporary research, especially in the field of controllable multic...

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Bibliographic Details
Published inNanomaterials (Basel, Switzerland) Vol. 14; no. 10; p. 813
Main Author Li, Zhiwei
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 07.05.2024
Subjects
Acids
Analysis
anticounterfeiting
Boron
Carbon
Carbon compounds
Carbon dots
Chemical synthesis
co-doping
Cobalt
Color
Controllability
Doping
Electrons
Encryption
Fluorescence
Fourier transforms
Functional groups
Identification and classification
isomer
Isomers
Methods
multicolor CDs
Nanoparticles
Optical materials
Optical properties
P elements
Phenylenediamine
Phosphorus
Polyvinyl alcohol
Quantum dots
Spectrum analysis
Synthesis
Transmission electron microscopy
Ultraviolet radiation
China
United States > US
isomer
multicolor CDs
co-doping
anticounterfeiting
phenylenediamine
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Summary:Carbon dots (CDs) possess a considerable number of beneficial features for latent applications in biotargeted drugs, electronic transistors, and encrypted information. The synthesis of fluorescent carbon dots has become a trend in contemporary research, especially in the field of controllable multicolor fluorescent carbon dots. In this study, an elementary one-step hydrothermal method was employed to synthesize the multicolor fluorescent carbon dots by co-doping unique phenylenediamine isomers (o-PD, m-PD, and p-PD) with B and P elements, which under 365 nm UV light exhibited signs of lavender-color, grass-color, and tangerine-color fluorescence, respectively. Further investigations reveal the distinctness in the polymerization, surface-specific functional groups, and graphite N content of the multicolor CDs, which may be the chief factor regarding the different optical behaviors of the multicolor CDs. This new work offers a route for the exploration of multicolor CDs using B/P co-doping and suggests great potential in the field of optical materials, important information encryption, and commercial anticounterfeiting labels.
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ISSN:2079-4991
2079-4991
DOI:10.3390/nano14100813