Semiconductor quantum dots: Technological progress and future challenges

In quantum-confined semiconductor nanostructures, electrons exhibit distinctive behavior compared with that in bulk solids. These properties are of interest for imaging, solar energy harvesting, displays, and communications.

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• 1 This enables the design of materials with tunable chemical, physical, electrical, and optical properties.
• 2 Zero-dimensional semiconductor quantum dots (QDs) offer strong light absorption and bright narrowband emission across the visible and infrared wavelengths and have been engineered to exhibit optical gain and lasing.
• 3 These properties are of interest for imaging, solar energy harvesting, displays, and communications.

This work deepens our understanding of the fundamental laws governing the universe, from subatomic particles to cosmic structures.

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