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Search results for optoelectronic devices

Nanomaterials Aug 23, 2024

A leap forward in nanotechnology: Growing special micro-crystals for better devices

In a paper published in the journal Advanced Materials, Dr. Atikur Rahman's research group from the Âé¶¹ÒùÔºics department at IISER Pune, India, along with collaborators, report a new way to grow special crystals called CsPbBr3 ...

Nanophysics Aug 22, 2024

Low-cost flexible metasurfaces to increase the efficiency of optoelectronic devices

Metasurfaces are two-dimensional counterparts of metamaterials, which are artificial materials that possess unusual characteristics. With a variety of fascinatingly innovative and diverse uses, these specially-prepared surfaces ...

Nanophysics Aug 16, 2024

Unveiling the power of hot carriers in plasmonic nanostructures

A new scientific review explores the exciting potential of hot carriers, energetic electrons generated by light in plasmonic nanostructures. These tiny structures hold immense promise for future technologies due to their ...

Nanophysics Aug 15, 2024

Team develops method for control over single-molecule photoswitching

Scientists from the Department of Âé¶¹ÒùÔºical 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 6, 2024

Scientists develop physical node reservoir computing based on light-emitting synapses

With the development of artificial intelligence technology, various artificial hardware neural networks such as recursive neural networks, convolutional neural networks, and spiking neural networks have been proposed to meet ...

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 ...

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