Search results for optoelectronic devices

Condensed Matter Sep 4, 2024

Optoelectronic diamond device reveals an unexpected phenomenon reminiscent of lightning in slow motion

Diamond is in many ways the ultimate material. Besides its enduring aesthetic value, diamond is also a highly versatile industrial material. While its claim as the hardest substance known to science has been usurped by ultra-rare ...

Nanophysics Sep 2, 2024

Low-energy ion implantation enables 2D lateral p-n junction construction

The feature size of silicon-based transistors is approaching the theoretical limit, which puts forward higher requirements for the atomic level manufacturing of semiconductors. The basic idea of atomic level manufacturing ...

Nanophysics Aug 30, 2024

Advances in optical micronanofiber-enabled tactile sensors and soft actuators

A perfect combination of fiber optics and micro/nanotechnology, optical micro/nanofiber (MNF) is a new type of micro/nano-waveguide structure developed in recent years.

Condensed Matter Aug 27, 2024

Physicists predict existence of new exciton type

Bruno Uchoa, a professor of condensed matter physics, and Hong-yi Xie, a postdoctoral fellow in condensed matter physics at the University of Oklahoma, have published research in the journal Proceedings of the National Academy ...

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 Physics 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 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 ...

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