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.
Original language | English |
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Article number | 132 |
Pages (from-to) | 1-6 |
Journal | Nanoscale Research Letters |
Volume | 13 |
DOIs | |
Publication status | Published - 1 Jan 2018 |
MoE publication type | A1 Journal article-refereed |
Keywords
- Alloying
- Cadmium telluride
- Manganese
- Quantum dots
- Thioglycolic acid