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
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
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
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22
Recently, the power conversion efficiency (PCE) of colloidal quantum dot (CQD)-based solar cells has been enhanced, paving the way for their commercialization in various fields; nevertheless, they are still a long way from ...
Energy & Green Tech
Aug 27, 2018
0
10
Teams from the accelerator physics and the SRF groups at HZB are developing a superconducting linear accelerator featuring energy recovery (Energy Recovery Linac) as part of the bERLinPro project. It accelerates an intense ...
General Physics
Dec 10, 2018
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23
In the era of big data, signal processing faces significant challenges in terms of capacity and energy consumption due to the torrent of data to process. With over 90% of data transmitted through light, optical signal processing ...
Optics & Photonics
May 10, 2024
0
15
Just as alchemists always dreamed of turning common metal into gold, their 19th century physicist counterparts dreamed of efficiently turning heat into electricity, a field called thermoelectrics. Such scientists had long ...
Nanophysics
May 18, 2015
0
20
Near-infrared emitters (NIR) will be of crucial importance for a variety of biomedical, security and defense applications, as well as for (in)visible light communications and the internet-of-things (IoT). Researchers from ...
Optics & Photonics
Jan 28, 2021
0
7
Tohoku University researchers have improved a method for probing semiconducting crystals with light to detect defects and impurities. The details of their omnidirectional photoluminescence (ODPL) spectroscopy set-up were ...
Materials Science
Oct 6, 2020
0
4
A team of researchers from the Institute of Optics of CSIC and the Institute of Photonic Sciences (ICFO) of Barcelona has proposed a new design to implement highly directional single-photon sources, which constitutes an improvement ...
Nanophysics
Jul 13, 2023
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