Journal
CHEMICAL RECORD
Volume 18, Issue 7-8, Pages 1192-1202Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/tcr.201700108
Keywords
carbon dots; sol-gel processes; fluorescent probes; sensors
Categories
Funding
- RAS [CRP30L.R. 7/ 2007]
- Italian Ministry of Foreign Affairs and International Cooperation (MAECI) [PGR04266]
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Carbon dots are an emerging class of carbon-based nanostructures produced by low-cost raw materials which exhibit a widely-tunable photoluminescence and a high quantum yield. The potential of these nanomaterials as a substitute of semiconductor quantum dots in optoelectronics and biomedicine is very high, however they need a customized chemistry to be integrated in host-guest systems or functionalized in core-shell structures. This review is focused on recent advances of the sol-gel chemistry applied to the C-dots technology. The surface modification, the fine tailoring of the chemical composition and the embedding into a complex nanostructured material are the main targets of combining sol-gel processing with C-dots chemistry. In addition, the synergistic effect of the sol-gel precursor combined with the C-dots contribute to modify the intrinsic chemo-physical properties of the dots, empowering the emission efficiency or enabling the tuning of the photoluminescence over a wide range of the visible spectrum.
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