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[Science] New research enables large-scale manufacture of low-cost, printable perovskite solar cells

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  The new perovskite solar cells have achieved an efficiency of 20.1 per cent and can be manufactured at low temperatures, which reduces the cost and expands the number of possible applications. Credit: Kevin Soobrian   A U of T Engineering innovation could make printing solar cells as easy and inexpensive as printing a newspaper. Dr. Hairen Tan and his team have cleared a critical manufacturing hurdle in the development of a relatively new class of solar devices called perovskite solar cells. This alternative solar technology could lead to low-cost, printable solar panels capable of turning nearly any surface into a power...

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Functional OLED electrodes are produced from graphene for the first time

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 For the first time, it has been possible to produce functional OLED electrodes from graphene. The process was developed by Fraunhofer researchers together with partners from industry and research. The OLEDs can, for example, be integrated into touch displays, and the miracle material graphene promises many other applications for the future. High quality single layer graphene films can be ordered from msesupplies.com.  The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP from Dresden, together with partners, has succeeded for the first time in producing OLED electrodes from graphene. The electrodes have an area of 2 ×...

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Record-breaking photovoltaic (PV) cells: understanding the current and future state of solar technology

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Over the last several decades, scientists and engineers at national labs, universities, and private companies continue to explore and develop new types of cells and push the capabilities of existing ones, because an ideal technology is yet to be developed. The National Renewable Energy Laboratory (NREL) maintains a plot of compiled values of highest confirmed conversion efficiencies for research cells, from 1976 to the present, for a range of photovoltaic technologies. IEEE Spectrum recently partnered with three of the world’s leading independent test labs to create an interactive and updated history of record-breaking photovoltaic (PV) cells. While the full charts are...

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Understanding of Hybrid Organic Inorganic Perovskites (HOIPs) Could Lead to Novel Solar Cells

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In a discovery that could have profound implications for future energy policy, scientists at Columbia University have demonstrated that it is possible to manufacture solar cells that are far more efficient than existing silicon-based cells by using a new kind of material. MSE Supplies is a leading supplier of FTO and ITO glass substrates for solar cells research.  Custom patterns can be fabricated based on customer provided drawings.  The team, led by Xiaoyang Zhu, a professor of chemistry at Columbia University, focused its efforts on a new class of solar cell material known as hybrid organic inorganic perovskites (HOIPs). Their results,...

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Perovskite Solar Cells >20% Efficiency Enabled by A Vacuum Flash–assisted Solution Process

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EPFL's Michael Graetzel and his team found that, by briefly reducing the pressure while fabricating perovskite crystals, they were able to achieve the highest performance ever measured for larger-size perovskite solar cells, reaching over 20% efficiency and matching the performance of conventional thin-film solar cells of similar sizes. Their results are published in Science.

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