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Synthesis of highly luminescent nanocomposite LaF3:Ln3+/Q-dots-CdTe system, exhibiting tunable red-to-green emission

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Preparation of LaF3:Gd3+ 30%, Ce3+ 10%, Eu3+ 1% NPs conjugated with CdTe quantum dots was performed by two methods. The first method includes mixing of two products, while the second method is based on the co-precipitation approach. The mixing of individual components did not lead to the formation of a new product. On the contrary, the product obtained by co-precipitation synthesis resulted in particles having about 140 nm in diameter. This nanocomposite system exhibits tunable red (λexc = 248 nm) and green (λexc = 340 m) luminescence due to the presence of Eu3+ ion and CdTe quantum dots.

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Acknowledgements

Financial support from the Ministry of Education of the Czech Republic (grant MUNI/A/1359/2018 and CEITEC LQ 1601) and EU ERASMUS programs are acknowledged.

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Correspondence to Přemysl Lubal.

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Řezáčová, L., Runowski, M., Lubal, P. et al. Synthesis of highly luminescent nanocomposite LaF3:Ln3+/Q-dots-CdTe system, exhibiting tunable red-to-green emission. Chem. Pap. 73, 2907–2911 (2019). https://doi.org/10.1007/s11696-019-00816-8

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  • DOI: https://doi.org/10.1007/s11696-019-00816-8

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