Non-Toxic Ternary Quantum Dots AgInS 2  and AgInS 2 /ZnS: Synthesis and Optical Properties

D. A. Kurshanov; Yu. A. Gromova; S. A. Cherevkov; E. V. Ushakova; T. K. Kormilina; A. Dubavik; A. V. Fedorov; A. V. Baranov

doi:10.1134/S0030400X1812010X

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

Authors: Kurshanov D.A.¹, Gromova Y.A.¹, Cherevkov S.A.¹, Ushakova E.V.¹, Kormilina T.K.¹, Dubavik A.¹, Fedorov A.V.¹, Baranov A.V.¹
Affiliations:
1. ITMO University
Issue: Vol 125, No 6 (2018)
Pages: 1041-1046
Section: Nanophotonics
URL: https://journal-vniispk.ru/0030-400X/article/view/165901
DOI: https://doi.org/10.1134/S0030400X1812010X
ID: 165901

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Abstract

Colloidal ternary quantum dots of AgInS₂ and AgInS₂/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.