Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 117, Issue 47, Pages 24991-24996Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp4040166
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Funding
- Operational Program Research and Development for Innovations European Regional Development Fund [CZ.1.05/2.1.00/03.0058]
- Operational Program Education for Competitiveness European Social Fund [CZ.1.07/2.3.00/20.0155]
- Operational Program Education for Competitiveness European Social Fund of the Ministry of Education, Youth and Sports of the Czech Republic [CZ.1.07/2.3.00/30.0041]
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We present a new class of fluorescent carbon dots (CDs) prepared hydrothermally from cationic surfactant cetylpyridinium chloride (CPC). Because of the high carbon content, amphiphilicity, and the presence of a heteroaromatic pi system, CPC acts as a carbon source, stabilizing agent, and contributing fluorophore in the prepared CDs-based system. The surfactant-derived carbon dots exhibit amphiphilicity, tunable blue-green-yellow photoluminescence dependent upon the solvent polarity, reaction conditions, and excitation wavelength, excellent long-term colloidal and photostability, and a large-scale synthesis potential. The reported findings open the doors for the applicability of surfactants as a carbon source for nanosystems with controllable photoluminescence and amphiphilicity.
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