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

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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.

About the authors

D. A. Kurshanov

ITMO University

Author for correspondence.
Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

Yu. A. Gromova

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

S. A. Cherevkov

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

E. V. Ushakova

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

T. K. Kormilina

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

A. Dubavik

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

A. V. Fedorov

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

A. V. Baranov

ITMO University

Email: astetros@mail.ru
Russian Federation, St. Petersburg, 197101

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