A team of researchers, led by Professor Yang Yang from State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, China, and co-workers have developed a nontoxic double perovskite scintillator, which exhibits not only a high light yield but also long-term stability under continuous thermal treatment and X-ray irradiation. Scintillators are a key component for detection of X-rays, which convert X-ray photons to visible photons so they are then detected by a photodiode array.

Given the high light output and fast light decay of this new scintillator, static X-ray imaging was attained under an extremely low dose of ~1 μGyair, and dynamic X-ray imaging of finger bending without a ghosting effect was demonstrated under a low dose rate of 47.2 μGyair s-1. These results reveal the huge potential in exploring scintillators beyond lead halide perovskites, not only for avoiding toxic elements but also for achieving higher performance.

Singapore-based Nanolumi unveiled several display prototypes that adopt the company's perovskite quantum dots films.

In the video above, you can see a 32" mini-LED display, a 24" edge-lit LCD monitor and a 10-inch tablet. The company says its cadmium-free films combine the industry's narrowest color spectrum.

Scientists from the Korea Institute of Machinery and Materials, Kyungpook National University, Sungkyunkwan University, Sejong University and Yonsei University in Korea, in collaboration with Uppsala University in Sweden, Imperial College London and National Renewable Energy Laboratory in the U.S, recently devised a way to sustainably collect pollutants secreted from PSCs without sacrificing the panel itself. Using this new approach, the scientists were able to safely recycle 99.7% of lead in their samples.

In the study describing their work, the researchers explain that they're not the first to attempt to tackle this issue, but that previous approaches to adsorbing lead have been limited by the number of naturally occurring lead solvents.

The Institute for Solar Energy Research Hamelin (ISFH), the Karlsruhe Institute of Technology (KIT) and the Institute for Materials and Components in Electronics at the University of Hannover, as well as Centrotherm, Singulus, Meyer Burger and Von Ardenne, are involved in a research project aimed at achieving 33%-efficient perovskite-silicon tandem solar cell suitable for mass production.

The new research project is called ’27plus6′ and it brings together the expertise of leading German and Swiss technology companies and research institutes. The consortium said that it aims to achieve the promised conversion efficiency under standard test conditions, and that is also seeking to reach a higher power yield, intended to accelerate industrial implementation.

Researchers from Pohang University of Science and Technology in Korea have received Universal Display Corporation's 2020 Innovative Research and Pioneering Technology Award in Organic Electronics & Display, for their work “High-Performance and Reliable Lead-Free Layered-Perovskite Transistors”.

In their work, the scientists explain that despite extensive examination of perovskites' potential use in solar cells and light‐emitting diodes, research on their applications in thin‐film transistors (TFTs) has drawn less attention despite their high intrinsic charge carrier mobility. In this study, the universal approaches for high‐performance and reliable p‐channel lead‐free phenethylammonium tin iodide TFTs are reported.

Research using the Canadian Light Source (CLS) at the University of Saskatchewan could help bring perovskite QDs display technology closer to commercilization.

Quantum dots are nanocrystals that glow, a property that scientists have been working with to develop next-generation LEDs. When a quantum dot glows, it creates very pure light in a precise wavelength of red, blue or green. Conventional LEDs, found in TV screens today, produce white light that is filtered to achieve desired colors, a process that leads to less bright and muddier colors.