Tiny crystals, known as quantum dots, have enabled an international team to achieve a quantum efficiency exceeding 100 percent in the photocurrent generated in a hybrid inorganic-organic semiconductor.
Optics & Photonics
Aug 4, 2022
0
2140
The research group led by Prof. Xiao Zhengguo from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences prepared large-area and efficient sky-blue perovskite light-emitting diodes (PeLEDs) ...
Materials Science
Mar 21, 2022
0
43
Researchers at Institute for Molecular Science, and University of Toyama, in Japan, report an efficient organic light emitting diode (OLED) operable by a 1.5-V battery that produces bright emission equivalent to luminance ...
Optics & Photonics
Jan 6, 2022
0
20
Researchers at Institute for Molecular Science in Japan report that novel photon upconversion (UC) system with heterojunctions of organic semiconductors. The solid-state UC system is achieved with an external quantum efficiency ...
Optics & Photonics
Nov 18, 2021
0
22
Planar perovskite light-emitting diodes (LEDs) are high-performance and cost-effective electroluminescence devices that are ideal for large-area display and lighting applications. By exploring the emission layers with high ...
In today's digital infrastructure, the data-bits we use to send and process information can either be 0 or 1. Being able to correct possible errors that may occur in computations using these bits is a vital part of information ...
Quantum Physics
Sep 28, 2021
0
632
In a new publication from Opto-Electronic Advances, researchers led by Professor Liu Yan from Xidian University, China and Professor Gan Xuetao from Northwestern Polytechnical University, China, consider generation and application ...
Optics & Photonics
Jul 23, 2021
0
7
Quantum dots (QDs) are semiconductor particles only a few nanometers across that, thanks to their small size, exhibit peculiar optical and electronic properties due to quantum mechanics. With existing and foreseen applications ...
Nanomaterials
Jun 25, 2021
0
6
Circularly polarized light exhibits promising applications in future displays and photonic technologies. Traditionally, circularly polarized light is converted from unpolarized light by the linear polarizer and the quarter-wave ...
Optics & Photonics
Apr 13, 2021
0
7
Organic molecules that capture photons and convert these into electricity have important applications for producing green energy. Light-harvesting complexes need two semiconductors, an electron donor and an acceptor. How ...
Bio & Medicine
Feb 24, 2021
1
488
