najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2025-16-4-521-527najo-1454Research ArticleCHEMISTRY AND MATERIALS SCIENCEХИМИЯ И НАУКА О МАТЕРИАЛАХA surface modification strategy for synthesizing highly water-stable CsPbBr3 perovskite quantum dotsСпособ модификации поверхности для получения высокостабильных водорастворимых CsPbBr3 перовскитных квантовых точекНовиковаС. А.NovikovaS. A.

Сагила Аладдиновна Новикова

 

Sagila A. Novikova

Dubna, Moscow oblast, 141980, Russia

sagila@uni-dubna.ruГрибоваЕ. Д.GribovaE. D.

Елена Дмитриевна Грибова

Elena D. Gribova

Dubna, Moscow oblast, 141980, Russia

elena_g67@mail.ruКасимцеваК. С.KasimtsevaK. S.

Ксения Станиславовна Касимцева

Ksenia S. Kasimtseva 

Dubna, Moscow oblast, 141980, Russia

kasimtseva20@yandex.ruСидоровЕ. А.SidorovE. A.

Евгений Александрович Сидоров

 

Evgeniy A. Sidorov

Dubna, Moscow oblast, 141980, Russia

zhenya.sidorov1@gmail.comФадейкинаИ. Н.FadeikinaI. N.

Dubna, Moscow oblast, 141980 Russia

НечаевА. Н.NechaevA. N.

Dubna, Moscow oblast, 141980 Russia

Dubna State UniversityRussian FederationJoint Institute for Nuclear ResearchRussian Federation202503092025164521527Copyright © Novikova S.A., Gribova E.D., Kasimtseva K.S., Sidorov E.A., Fadeikina I.N., Nechaev A.N., 20252025Новикова С.А., Грибова Е.Д., Касимцева К.С., Сидоров Е.А., Фадейкина И.Н., Нечаев А.Н.Novikova S.A., Gribova E.D., Kasimtseva K.S., Sidorov E.A., Fadeikina I.N., Nechaev A.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1454

Hydrophobic CsPbBr3 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.

Гидрофобные перовскитные квантовые точки CsPbBr3 (ПКТ) были синтезированы методом лиганд-ассистированного осаждения с использованием различных антирастворителей. Было проведено исследование для оценки влияния антирастворителей на свойства синтезированных ПКТ. Для получения ПКТ, стабильных в полярных средах и обладающих поверхностными функциональными группами для дальнейшей конъюгации с биомолекулами, поверхность наночастиц была модифицирована 2-бромизовалериановой кислотой (Br-iVA), цетиловым спиртом (CtA) и 3-аминопропилтриэтоксисиланом (APTES). ПКТ, модифицированные Br-iVA, продемонстрировали наибольшую стабильность в полярных растворителях и воде, сохраняя свою стабильность до 90 дней.

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The authors declare that there are no conflicts of interest present.