Journal
RSC ADVANCES
Volume 7, Issue 21, Pages 12663-12669Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra28176a
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2015R1D1A3A01020192]
- Industrial Technology Innovation Program [10049064]
- Ministry of Trade, Industry & Energy (MI, Korea)
- International joint technology development project through the Ministry of Trade, Industry & Energy (MI, Korea) [N0002123]
- Korea Institute for Advancement of Technology (KIAT)
- Korea Evaluation Institute of Industrial Technology (KEIT) [N0002123] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2015R1D1A3A01020192] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Strongly fluorescent carbon quantum dots (CQDs) were simply prepared by microwave-assisted synthesis using succinic acid and tris(2-aminoethyl) amine as an A(2) + B-3 monomer set with a high mass yield of 17.3%. The prepared disc-like CQDs had average lateral dimensions ranging from 5 to 30 nm and a uniform thickness of 6.2 nm. The CQDs showed high solubility in protic polar solvents and demonstrated excitation-dependent emission with a high photoluminescence quantum yield of 49.9%. Because of the excellent cell viability of the CQDs, multicolor fluorescent imaging of cellular media (MDAMB and MDCK cells) was efficiently achieved.
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