Non-Toxic Ternary Quantum Dots AgInS2 and AgInS2/ZnS: Synthesis and Optical Properties

Colloidal ternary quantum dots of AgInS 2 and AgInS 2 /ZnS were synthesized in water in the presence of mercapto alkyl carboxylic acid. Selective size separation of AIS and AIS/ZnS hydrophilic nanoparticles was performed as well as the ligand exchange by thiolated methoxypolyethylene glycol molecule...

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Bibliographic Details
Published in:Optics and spectroscopy 2018-12, Vol.125 (6), p.1041-1046
Main Authors: Kurshanov, D. A., Gromova, Yu. A., Cherevkov, S. A., Ushakova, E. V., Kormilina, T. K., Dubavik, A., Fedorov, A. V., Baranov, A. V.
Format: Article
Language:English
Subjects:
Lasers
Nanocrystals
Nanoparticles
Nanophotonics
Optical Devices
Optical properties
Optics
Photonics
Physics
Physics and Astronomy
Quantum dots
Size separation
Zinc sulfide
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Summary:Colloidal ternary quantum dots of AgInS 2 and AgInS 2 /ZnS were synthesized in water in the presence of mercapto alkyl carboxylic acid. Selective size separation of AIS and AIS/ZnS hydrophilic nanoparticles was performed as well as the ligand exchange by thiolated methoxypolyethylene glycol molecules having an amphiphilic nature. The influence of nanocrystal size, composition and surface molecules on the optical properties of QDs was studied.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X1812010X