Abstract
In this work, the effect of photoluminescence (PL) quenching of ternary chalcogenide AgInS2 nanocrystals (NCs), as well as the core/shell structure, with variation of the cobalt ions (Co2+) concentration in aqueous solution, was studied. The quenching effect is described using the Stern-Volmer equation. The PL spectra were modelled in the range of 450–800 nm using four Gaussian functions, which makes it possible to identify several bands of the PL spectrum.
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