Synthesis and Properties of Water-Soluble Blue-Emitting Mn-Alloyed CdTe Quantum Dots
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2018-01-01
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en
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Nanoscale Research Letters, Volume 13, pp. 1-6
Abstract
In this work, we prepared CdTe quantum dots, and series of Cd1-xMnxTe-alloyed quantum dots with narrow size distribution by an ion-exchange reaction in water solution. We found that the photoluminescence peaks are shifted to higher energies with the increasing Mn2+ content. So far, this is the first report of blue-emitting CdTe-based quantum dots. By means of cyclic voltammetry, we detected features of electrochemical activity of manganese energy levels formed inside the Cd1-xMnxTe-alloyed quantum dot band gap. This allowed us to estimate their energy position. We also demonstrate paramagnetic behavior for Cd1-xMnxTe-alloyed quantum dots which confirmed the successful ion-exchange reaction.Description
Keywords
Alloying, Cadmium telluride, Manganese, Quantum dots, Thioglycolic acid
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Citation
Tynkevych, O, Karavan, V, Vorona, I, Filonenko, S & Khalavka, Y 2018, ' Synthesis and Properties of Water-Soluble Blue-Emitting Mn-Alloyed CdTe Quantum Dots ', Nanoscale Research Letters, vol. 13, 132, pp. 1-6 . https://doi.org/10.1186/s11671-018-2529-y