The Perovskite-Info newsletter (August 24, 2021)

Researchers from the UK's University of Bath and Germany's Max Planck Institute for Polymer Research have developed a way to make perovskite-based components for low-cost electronics.

The physicists have found a way to make perovskite-based transistors, while overcoming the problem of the material’s ion content interfering with the flow of electronic current through a transistor. This breakthrough may pave the way for research into greener electronic components for low-cost electronic devices.

Researchers from the Hong Kong University of Science and Technology (HKUST) have developed an inexpensive, lightweight, and lead-free photo-battery that has dual functions in harvesting solar energy and storing energy on a single device. This could enable users to charge a battery under the sun, without having to plug the device into the wall.

Despite the theoretical potential of such photo-batteries, in reality it seems that the poor interface between materials tends to create problems with charge transport, greatly reducing the efficiency in comparison to the simple system of a solar cell wired to an external battery. A team led by Prof. Jonathan Eugene Halpert, Assistant Professor from the Department of Chemistry at HKUST, has made advancements towards developing more efficient photo-batteries by using perovskites.

Researchers at KAUST have developed a multifunctional molecule that can plug various atomic-scale defects in perovskite solar materials, which could significantly boost the longevity and electrical output PSCs.

Perovskites inevitably feature defects, such as where a particular ion did not slot into place during fabrication, leaving a gap in the structure. These reactive sites can contribute to rapid performance decline — unless they can be fixed. “Defect passivation is very important for improving the long-term stability of perovskite solar cells,” says Furkan Isikgor, a researcher in Stefaan De Wolf’s group.

Solar panel developer and producer Meyer Burger says it is pursuing new research projects on the industrialization of perovskite solar cells. The company is aiming to partner with research institutes worldwide for perovskite technologies.

Meyer Burger also updated that an "extensive industrial research project" is already underway with the Fraunhofer Institute in Germany.

Solar panel developer and producer Meyer Burger says it is pursuing new research projects on the industrialization of perovskite solar cells. The company is aiming to partner with research institutes worldwide for perovskite technologies.

Meyer Burger also updated that an "extensive industrial research project" is already underway with the Fraunhofer Institute in Germany.

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A University of Toronto research team used the Canadian Light Source (CLS) at the University of Saskatchewan to get a glimpse of the never-before-seen transformation of a 3D crystal into a high efficiency solar cell material.

“There were lots of high fives when we actually looked at the computer screen and could see the reaction in real time,” said Sam Teale, a PhD student at the U of T and co-author on a paper describing the perovskite solar cell research. What the researchers saw, over the course of just three seconds, was the creation of an ultra-thin 2D layer of perovskite on top of a 3D perovskite crystal.