FRET system based on composites of zinc oxide tetrapods and carbon dots

Mariia S. Stepanova; Valeriy M. Kondratev; Victor V. Zakharov; Anna O. Orlova

doi:10.1117/12.2621391

24 May 2022 FRET system based on composites of zinc oxide tetrapods and carbon dots

Mariia S. Stepanova, Valeriy M. Kondratev, Victor V. Zakharov, Anna O. Orlova

Proceedings Volume 12131, Nanophotonics IX; 121310I (2022) https://doi.org/10.1117/12.2621391
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

Composites based on nanomaterials are becoming more popular, especially for the creation of Förster Resonant Energy Transfer systems. Here, well-established zinc oxide tetrapods and a new carbon dot material were used to create a hybrid composite. The influence of the alkalinity of the medium on the formation of the composite was studied. The morphology and optical properties were studied in detail to confirm the formation of the composite. The measurement of photoluminescence lifetimes of carbon dots/zinc oxide tetrapods composites demonstrated nonradiative energy transfer. The efficiency of Förster Resonant Energy Transfer was theoretically calculated and the rate constants of this process, as well as reabsorption, were found. Consequently, the new composite based on carbon dots and zinc oxide tetrapods can find many applications, for example, in optical sensors.

Conference Presentation

Citation Download Citation

Mariia S. Stepanova, Valeriy M. Kondratev, Victor V. Zakharov, and Anna O. Orlova "FRET system based on composites of zinc oxide tetrapods and carbon dots", Proc. SPIE 12131, Nanophotonics IX, 121310I (24 May 2022); https://doi.org/10.1117/12.2621391

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