Perovskites atomic resolution images
8 Jan 2016 - 12:09
Topography image of atoms of the perovskite crystal and calculated images with position of atoms and molecules indicated.
Type: Photo
Perovskites atomic resolution images
8 Jan 2016 - 10:28
Methylammonium molecules (represented by a ball-and-stick model in the centre) methylammonium lead bromide (CH3NH3PbBr3) can rotate. They favour specific orientations that lead to two types of...
Type: Photo
Energy Materials and Surface Sciences Unit Researchers
8 Jan 2016 - 10:21
Researchers from the Energy Materials and Surface Sciences Unit at OIST: Dr Robin Ohmann, Prof. Yabing Qi, and Dr Luis K. Ono (left to right)
Type: Photo
Inside a scanning tunneling microscope
8 Jan 2016 - 10:18
Inside view of the scanning tunneling microscope. The yellow cylinders are the heat shields, behind which samples get cooled.
Type: Photo
Dr Robin Ohmann
8 Jan 2016 - 10:14
Dr Ohmann transfers a sample into the scanning tunneling microscope.
Type: Photo
14 Oct 2015 - 18:55
Perovskite solar cells are the rising star in photovoltaics. They absorb light across almost all visible wavelengths, they have exceptional power conversion efficiencies exceeding 20% in the lab, and...
Type: News Article
14 Oct 2015 - 18:49
From left: Shenghao Wang, Sonia R. Raga, Yabing Qi and Luis K. Ono
Type: Photo
14 Oct 2015 - 18:48
The animation shows the layers of the perovskite solar cell and the proposed mechanism of corrosion of the silver electrode. Water molecules diffuse through the pinholes of the spiro-MeOTAD layer and...
Type: Video
14 Oct 2015 - 18:48
The device prepared by Dr. Mikas Remeika.
Type: Photo
13 Oct 2015 - 15:36
Yuichi Kato, Luis K. Ono, Michael V. Lee, Shenghao Wang, Sonia R. Raga and Yabing Qi. Silver Iodide Formation in Methyl Ammonium Lead Iodide Perovskite Solar Cells with Silver Top Electrodes....
Type: Photo
4 Mar 2015 - 16:58
Researchers at the Okinawa Institute of Science and Technology Graduate University's (OIST) Energy Materials and Surface Sciences Unit...
Type: News Article
Comparative Voltage Curves in air and nitrogen
4 Mar 2015 - 15:18
Voltage curves of two perovskite solar cells annealed in air (red) and Nitrogen (black). The average power conversion efficiency for 6 solar cells annealed in air was 11.1%. In a nitrogen...
Type: Photo
Subscribe to Energy Materials and Surface Sciences Unit (Yabing Qi)