Search results for optoelectronic devices

Nanophysics Aug 15, 2024

Team develops method for control over single-molecule photoswitching

Scientists from the Department of Physical Chemistry at the Fritz Haber Institute have made an innovative discovery in nanoscale optoelectronics. The study, published in the journal Nature Communications and titled "Atomic-Precision ...

Analytical Chemistry Aug 15, 2024

Enhancing electron transfer for highly efficient upconversion OLEDs

Electron transfer is an elementary process in which an electron is transferred or relocated from a donor molecule or atom to another such entity, called the acceptor. This process is fundamental to chemical reactions, electronic ...

Optics & Photonics Aug 7, 2024

Coupling excitons to polaritons for better solar cells and higher intensity LEDs

In solar cells and light-emitting diodes, maintaining the excited state kinetics of molecules against annihilation is a race against time. These systems need to strike a careful balance between different processes that lead ...

Materials Science Aug 6, 2024

Stacking molecules like plates improves organic solar device performance

Harnessing the power of the sun is vital for a clean, green future. To do so, we need optoelectronic devices, like solar cells, that can convert light into electricity efficiently. Now, a team led by Osaka University has ...

Optics & Photonics Aug 1, 2024

Polarization and wavelength routers based on diffractive neural network

The concept of deep diffractive neural networks (D2NN) was introduced by Professor Ozcan's research team in 2018. D2NN combines the principles of light diffraction with the functionalities of neural networks. It consists ...

Nanomaterials Jul 31, 2024

Scientists identify new class of semiconductor nanocrystals

U.S. Naval Research Laboratory (NRL) scientists confirm the identification of a new class of semiconductor nanocrystals with bright ground-state excitons, a significant advancement in the field of optoelectronics, in an article ...

Nanomaterials Jul 31, 2024

Nanoscale imaging provides insights into 2D and phase-change materials

Researchers from the University of California, Berkeley have developed cutting-edge nanoscale optical imaging techniques to provide unprecedented insights into the ultrafast carrier dynamics in advanced materials.

Condensed Matter Jul 25, 2024

'Miracle' filter turns store-bought LEDs into spintronic devices

Traditional electronics use semiconductors to transmit data through bursts of charged carriers (electrons or holes) to convey messages in "1s" and "0s." Spintronic devices can process an order of magnitude more information ...

Optics & Photonics Jul 22, 2024

Sensing ultraviolet light with the help of molecular switches

The old saying "the dose makes the poison" also holds true for ultraviolet (UV) light. While UV light is essential for vitamin D production, it is also important in phototherapy, several industrial processes, and plant growth. ...

Nanophysics Jul 18, 2024

Nanoscale trilayer exhibits ultrafast charge transfer in semiconductor materials

Successfully innovating optoelectronic semiconductor devices depends a lot on moving charges and excitons—electron-hole pairs—in specified directions for the purpose of creating fuels or electricity.

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