Quantum dots (QDs) are tiny, semiconductive nanocrystals that have gained notability over the past two decades. The nanocrystals are able to absorb energy from ultraviolet (UV) light and emit photons that can provide light and color for a variety of applications, including laser technology, biological sensing, photovoltaic cells, and light-emitting diodes (LEDs). Most QDs are single crystals made of materials such as lead, cadmium, and indium.
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