Quantum Dots News

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Polarized Emission from Coupled Quantum Dots is Strong Along Coupling Direction

Coupled quantum dots could be considered as an essential building block in the advancement of scalable quantum devices by manipulating the quantum states of two adjacent quantum dots (QDs) both optically and electrically.

13 Jul 2020

Innovative Device Emits Photons from Quantum Dots to Power Communication Devices

Researchers at CRANN and the School of Physics at Trinity College Dublin have created an innovative new device that will emit single particles of light, or photons, from quantum dots that are the key to practical quantum computers, quantum communications, and other quantum devices.

8 Jul 2020

Researchers Integrate Non-Noble Metal Ions in Semiconductor Quantum Dots

Very recently, Chinese researchers had achieved site- and spatial- selective integration of earth-abundant metal ions in semiconductor quantum dots for efficient and robust photocatalytic H2 evolution from water.

8 Jul 2020

Researchers Achieve Improved Spin Lifetime in Silicon Quantum Dots

By tuning the direction of the external magnetic field with respect to the crystallographic axis of the silicon wafer, an improvement of spin lifetime by over two orders of magnitude was reported in silicon quantum dots.

7 Jul 2020

Study Improves Spin Qubit Lifetime of Silicon Quantum Dots

Researchers have now reported an enhancement of spin lifetime, or relaxation time, by more than two orders of magnitude in silicon quantum dots (QDs).

1 Jul 2020

Scientists Confirm Certain Predicted Energy Transitions in Quantum Dots

Researchers from Basel, Bochum and Copenhagen have gained new insights into the energy states of quantum dots.

26 Jun 2020

New Toxic-Element-Free, Quantum Dot Solar Cells Exhibit High Efficiency

Researchers at Los Alamos National Laboratory have developed innovative quantum dot solar cells that match the efficiency of prevalent quantum-dot based devices, without using lead or other toxic elements on which a majority of solar cells of this kind depend.

19 May 2020

Effect of Basic Principles of Self-Assembly Process on Quantum Dots

For a long time, scientists have been looking for the working mechanisms of self-assembly that are capable of building a cell (that is, a complex biological organism) and also a crystal (a much simpler inorganic material) in the same manner.

21 Apr 2020

Expediting the Commercialization of Quantum Dot Photovoltaic Devices

Researchers have developed a novel technology in an attempt to further speed up the commercialization of colloidal quantum dot (CQD) photovoltaic (PV) devices that are predicted to be the next-generation photovoltaic devices.

13 Apr 2020

New Colloidal Quantum Dot Photodetector can Detect Light in Long-Infrared Range

Optical sensing in the mid to long infrared (5 microns, or 5 µm) range has gained considerable significance in various fields, as it is a useful tool for gas sensing, environmental monitoring, food quality control, thermal imaging, in the pharmaceutical industry, etc.

17 Jan 2020