Synthesis, characterization and non-linear optical response of organophilic carbon dots

Athanasios B. Bourlinos, Michael A. Karakassides, Antonios Kouloumpis, Dimitrios Gournis, Aristides Bakandritsos, Irene Papagiannouli, Panagiotis Aloukos, Stelios Couris, Katerina Hola, Radek Zboril, Marta Krysmann, Emmanuel P. Giannelis

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


For the first time ever we report the nonlinear optical (NLO) properties of carbon dots (C-dots). The C-dots for these experiments were synthesized by mild pyrolysis of lauryl gallate. The resulting C-dots bear lauryl chains and, hence, are highly dispersible in polar organic solvents, like chloroform. Dispersions in CHCl3 show significant NLO response. Specifically, the C-dots show negative nonlinear absorption coefficient and negative nonlinear refraction. Using suspensions with different concentrations these parameters are quantified and compared to those of fullerene a well-known carbon molecule with proven NLO response. © 2013 Elsevier Ltd. All rights reserved.
Original languageEnglish (US)
Pages (from-to)640-643
Number of pages4
StatePublished - Sep 2013
Externally publishedYes

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-C1-018-02
Acknowledgements: We gratefully acknowledge the support by the Operational Program Research and Development for Innovations-European Regional Development Fund (project CZ.1.05/2.1.00/03.0058), Operational Program Education for Competitiveness (CZ.1.07/2.3.00/20.0017) and Award No. KUS-C1-018-02, made by King Abdullah University of Science and Technology (KAUST). This work was additionally supported by the Grant Agency of the Czech Republic (P208/12/G016) and a student project of Palacky University (PrF_2013_028) as well as the European Union (European Social Fund-ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF)-Research Funding Program: THALIS and HERAKLEITOUS II. The authors would like to thank Dr. K. Safarova for her assistance in microscopy studies.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.


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