Quantum dot light‐emitting diodes (QD‐LEDs) represent a versatile class of optoelectronic devices that harness the unique properties of semiconductor nanocrystals to produce highly saturated and ...

A new publication from Opto-Electronic Sciences; DOI 10.29026/oes.2025.240028 , discusses eco-friendly quantum-dot light-emitting diode display technologies. Colloidal quantum dots (QDs) exhibit ...

Quantum-dot light-emitting diodes (QLEDs) have shown great potential in display and lighting applications. In particular, the incorporation of zinc oxide nanoparticles (ZnO NPs) as the electron ...

Advanced Materials reviews the obstacles facing blue QD-LEDs, detailing performance issues and the operational lifetime gap ...

This mismatch creates several problems. In QD-LEDs, some electrons pass through the quantum dot layer without encountering a hole, wasting energy. Others recombine inefficiently, releasing heat ...

Researchers have found a clever way to make quantum dots, tiny light-emitting crystals, produce streams of perfectly controlled photons without relying on expensive, complex electronics. By using a ...

Light-based quantum technologies, such as quantum communication and photonic quantum computing, require reliable sources of individual photons and, ideally, pairs of entangled photons. Semiconductor ...

Researchers have demonstrated a new technique that uses light to tune the optical properties of quantum dots -- making the process faster, more energy-efficient and environmentally sustainable -- ...

A research team in China has built a quantum dot device that produces photon pairs with record-setting purity, achieving a two-photon fraction of 0.983(1). The work, published in Nature Materials, ...

Miniaturization ranks as the driving force behind the semiconductor industry. The tremendous gains in computer performance since the 1950s are largely due to the fact that ever smaller structures can ...

Optical communication technologies require large-capacity data transmission with minimal power consumption. Vertical-cavity surface-emitting lasers (VCSELs) have attracted significant attention as a ...