Reverse photodegradation of infrared luminescence of colloidal Ag2S quantum dots

OV Ovchinnikov, IG Grevtseva, MS Smirnov… - Journal of …, 2019 - Elsevier
Regularities of reverse photodegradation of infrared (IR) luminescence of colloidal Ag 2 S
quantum dots (QDs), stabilized in gelatin with the average size of 1.6 nm (λ lum max= 1205 …

Luminescence of colloidal Ag2S/ZnS core/shell quantum dots capped with thioglycolic acid

OV Ovchinnikov, AS Perepelitsa, MS Smirnov… - Journal of …, 2020 - Elsevier
The features of IR luminescence of colloidal Ag 2 S QDs passivated with thioglycolic acid
(Ag 2 S/TGA) under the formation of Ag 2 S/ZnS/TGA core/shell QDs are considered. A 4.5 …

Effect of AgS/SiO QDs surface structure on luminescence photostability

I Grevtseva, O Ovchinnikov, M Smirnov… - Journal of Nanoparticle …, 2023 - Springer
The paper presents regularities that demonstrate the formation effect of passivating ligands
of thioglycolic acid, L-cysteine (TGA, L-Cys), and dielectric shells (SiO 2) on the Ag 2 S …

Optically detected magnetic resonance for selective imaging of diamond nanoparticles

ME Robinson, JD Ng, H Zhang, JT Buchman… - Analytical …, 2018 - ACS Publications
While there is great interest in understanding the fate and transport of nanomaterials in the
environment and in biological systems, the detection of nanomaterials in complex matrices …

Photoinduced enhancement of photoluminescence of colloidal II-VI nanocrystals in polymer matrices

V Dzhagan, O Stroyuk, O Raievska, O Isaieva… - Nanomaterials, 2020 - mdpi.com
The environment strongly affects both the fundamental physical properties of semiconductor
nanocrystals (NCs) and their functionality. Embedding NCs in polymer matrices is an …

Multi-photon in situ synthesis and patterning of polymer-embedded nanocrystals

A Camposeo, M Polo, AAR Neves, D Fragouli… - Journal of Materials …, 2012 - pubs.rsc.org
The in situ synthesis and patterning of CdS nanocrystals in a polymer matrix is performed via
multi-photon absorption. Quantum-sized CdS nanocrystals are obtained by irradiating a …

Surface ligands affect photoinduced modulation of the quantum dots optical performance

VA Krivenkov, PS Samokhvalov, PA Linkov… - …, 2014 - spiedigitallibrary.org
Changes of optical properties of the solutions of CdSe/ZnS quantum dots (QDs) covered
with the trioctylphosphine oxide (TOPO) ligands under the pulsed ultraviolet (UV) laser …

Controllable photo-brightening/photo-darkening of semiconductor quantum dots under laser irradiation

V Krivenkov, A Tretyachenko… - …, 2016 - spiedigitallibrary.org
It has been demonstrated that photo-induced changes in the optical properties of
semiconductor quantum dots (QDs) can be controlled by tuning the parameters of their laser …

[PDF][PDF] Photostability of luminescence of Ag2S quantum dots and Ag2S/SiO2 core/shell structures

IG Grevtseva, OV Ovchinnikov, MS Smirnov… - Optics and …, 2022 - researchgate.net
ligand exchange “), were found. In the case of replacing TGA with MPTMS, an increase in
the luminescence quantum yield of Ag2S quantum dots (QDs) and its resistance to long-term …

Фотостабильность люминесценции квантовых точек Ag 2 S и структур ядро/оболочка Ag 2 S/SiO 2

ИГ Гревцева, ОВ Овчинников, МС Смирнов… - Оптика и …, 2022 - elibrary.ru
Представлены закономерности, демонстрирующие влияние формирования на
поверхности нанокристаллов Ag 2 S пассивирующих лигандов тиогликолевой кислоты …