Journal
JOURNAL OF STRUCTURAL CHEMISTRY
Volume 61, Issue 5, Pages 818-825Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S0022476620050194
Keywords
carbon dots; hydrothermal synthesis; luminescence; quantum yield; nitrogen; boron
Funding
- RFBR [19-32-50024, 18-02-00449]
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Carbon dots (CDs) demonstrate unique luminescence properties due to conjugated pi domains of thesp(2)/sp(3)hybridized carbon core, quantum-size effects, and passivation of CD surfaces by functional groups. In this work we present hydrothermal synthesis of nitrogen-doped and boron-doped CDs, their morphological, structural, optical characteristics, and luminescent properties. The CDs are first synthesized fromtrans-aconitic acid. X-ray photoelectron and infrared spectroscopy data indicate that prepared CDs contain nitrogen and boron atoms. The photoluminescence quantum yield of N-doped and B-doped CDs is 26% and 9%, respectively.
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