Formation of the Inorganic and Organic Shells on the Surface of CdSe Quantum Dots

Karpov, O.N.; Bondarenko, G.N.; Merekalov, A.S.; Shandryuk, G.A.; Zhigalina, O.M.; Khmelenin, D.N.; Skryleva, E.A.; Golovan, L.A.; Talroze, R.V.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 29 сентября 2021 г.

Авторы: Karpov Oleg N., Bondarenko Galina N., Merekalov Alexey S., Shandryuk Georgiy A., Zhigalina Olga M., Khmelenin Dmitriy N., Skryleva Elena A., Golovan Leonid A., Talroze Raisa V.
Журнал: ACS applied materials & interfaces
Том: 13
Номер: 30
Год издания: 2021
Издательство: American Chemical Society
Местоположение издательства: United States
Первая страница: 36190
Последняя страница: 36200
DOI: 10.1021/acsami.1c10315
Аннотация: Embedding quantum dots (QDs) into an organic matrix of controllable order requires the identification of their structural characteristics. This analysis is necessary for the creation of anisotropic composites that are sensitive to external stimuli. We have studied the QD structures formed during the single-step synthesis of CdSe/ZnS QDs and their transformations after the initial ligand’s substitution for another ligand. This single-step process leads to the formation of the core/shell structure. We detect the presence of two oleic acid residues ionically connected to Zn and Cd. At the same time, the amount of Cd oleate at the surface is very small. We observe the ligand exchange process at the surface of the core/shell QDs. The oleic acid residues are substituted by terphenyl-containing (TERPh-COOH) aromatic acid residues. The reaction between CdSe/ZnS carrying TOP and oleic acid residues ionically bound with QDs and terphenyl-containing acid leads to the coexistence of multiple ligands on the QD surface at a ratio of 11:6:33 for TOP/OA/TERPh-COOH.
Добавил в систему: Мерекалов Алексей Сократович

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Formation of the Inorganic and Organic Shells on the Surface of CdSe Quantum Dotsстатья

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