Energy Materials and Surface Sciences Unit (Yabing Qi)
27 Jan 2021 - 16:20
By adding ammonium chloride, the resultant perovskite film had fewer grains of a much larger size, reducing the number of grain boundaries.
27 Jan 2021 - 16:19
The researchers created solar modules that were 5x5 cm2 and 10x10 cm2 – much larger than the 1.5 x 1.5 cm2 ones traditionally made in a lab, but smaller than commercial solar panels.
27 Jan 2021 - 16:10
Perovskite solar cell devices require multiple layers to function. The active perovskite layer absorbs sunlight and generates charge carriers. The transport layers transport the charge carriers to...
27 Jan 2021 - 15:53
Highlights Perovskites are projected to be a game-changer in future solar technology but currently suffer from a short operational lifespan and drops in efficiency when scaled up to a larger size...
Type: Press release
21 Jul 2020 - 00:00
Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have created next-generation solar modules with high efficiency and good stability. Made using a type of...
Type: Press release
14 Jul 2020 - 16:44
From left to right: Prof. Yabing Qi, Dr. Zonghao Liu, Dr. Luis K. Ono, Dr. Dae-Yong Son, Dr. Sisi He, and Dr. Longbin Qiu.
14 Jul 2020 - 16:42
Perovskite solar cells and modules consist of many layers, each of which has a specific function. The scientists added or modified the layers highlighted in orange.
14 Jul 2020 - 16:40
(Left) The OIST Energy Materials and Surface Sciences Unit works with solar cells and modules of varying size. (Right) In this study, the scientists worked with 5 cm x 5 cm solar modules.
25 Nov 2019 - 09:00
Versatile compounds called perovskites are valued for their application in next generation solar energy technologies. Despite their efficiency and relative cheapness, perovskite devices have yet to...
Type: News Article
21 Nov 2019 - 09:52
(Left to right) Mr. Collin Stecker, Dr. Jeremy Hieulle, Dr. Luis K. Ono, Professor Yabing Qi of the Energy Materials and Surface Sciences Unit.
21 Nov 2019 - 09:48
This image of a perovskite surface shows the shifting of ions across the surface, and the vacancies causing these movements.