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Nanosystems: Physics, Chemistry, Mathematics, 2025, Volume 16, Issue 4, Pages 521–527
DOI: https://doi.org/10.17586/2220-8054-2025-16-4-521-527 (Mi nano1393) 		 
CHEMISTRY AND MATERIAL SCIENCE

A surface modification strategy for synthesizing highly water-stable CsPbBr$_3$ perovskite quantum dots

S. A. Novikovaa, E. D. Gribovaa, K. S. Kasimtsevaa, E. A. Sidorova, I. N. Fadeikinab, A. N. Nechaevb

a Dubna State University, Dubna, Moscow oblast, 141980, Russia
b Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980 Russia
Full-text PDF (1135 kB)
DOI: https://doi.org/10.17586/2220-8054-2025-16-4-521-527
Abstract: Hydrophobic CsPbBr$_3$ perovskite quantum dots (PQDs) were synthesized via a ligand-assisted re precipitation method with various antisolvents. A study was conducted to assess antisolvents influence on the properties of the synthesized PQDs. To enhance the stability of PQDs in polar media and possess surface functional groups for further conjugation with biomolecules, the surface of the nanoparticles was modified with 2 bromoisovaleric acid (Br-iVA), cetyl alcohol (CtA), and 3-aminopropyltriethoxysilane (APTES). PQDs modified with Br-iVA exhibited the highest stability in polar solvents and water, maintaining for up to 90 days.
Keywords: perovskite quantum dots, ligand-assisted re-precipitation, halide-exchange method, modification PQDs.
Funding agency Grant number
Russian Science Foundation 24-23-00432
This work was supported by the Russian Science Foundation under grant No. 24-23-00432.
Received: 10.10.2024
Revised: 30.03.2025
Accepted: 01.08.2025
Bibliographic databases:
Document Type: Article
Language: English
Citation: S. A. Novikova, E. D. Gribova, K. S. Kasimtseva, E. A. Sidorov, I. N. Fadeikina, A. N. Nechaev, “A surface modification strategy for synthesizing highly water-stable CsPbBr$_3$ perovskite quantum dots”, Nanosystems: Physics, Chemistry, Mathematics, 16:4 (2025), 521–527
Citation in format AMSBIB
\Bibitem{NovGriKas25}
\by S.~A.~Novikova, E.~D.~Gribova, K.~S.~Kasimtseva, E.~A.~Sidorov, I.~N.~Fadeikina, A.~N.~Nechaev
\paper A surface modification strategy for synthesizing highly water-stable CsPbBr$_3$ perovskite quantum dots
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2025
\vol 16
\issue 4
\pages 521--527
\mathnet{http://mi.mathnet.ru/nano1393}
\crossref{https://doi.org/10.17586/2220-8054-2025-16-4-521-527}
\elib{https://elibrary.ru/item.asp?id=82819118}
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