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European scientists team has developed new transparent electrodes and barrier materials which may power the next-generation light sources and solar cells.

Researchers developed the new technology for use in the next generation of flexible optoelectronics as part of the TREASORES project of the European Union.

The full meaning of the acronym "TREASORES" is transparent electrodes for large area large scale production of organic optoelectronic devices.
“I am very much looking forward to seeing the first commercial products made using materials from the project in 2016”, said Frank Nuesch from the Swiss Federal Laboratories for Materials Science and Technology (Empa), who led the TREASORES project.
The new electrodes have been tested with several types of optoelectronic devices and are believed to make light sources and solar cells much cheaper in future, according to Empa.

The electrodes from the project are technically at least as good as those currently used (made from indium tin oxide, ITO) but will be cheaper to manufacture and do not rely on the import of indium. 

Tomasz Wanski from the Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology said that because of the new electrodes, the OLED light source was very homogeneous over a large area, achieving an efficiency of 25 lumens per watt. 

In the course of the project, new test methods were developed by the National Physical Laboratory in Britain to make sure that the electrodes would still work after being repeatedly bent – a test that may become a standard in the field. 

A further outcome of the project has been the development, testing and production scale-up of new approaches to transparent barrier foils (plastic layers that prevent oxygen and water vapour from reaching the sensitive organic electronic devices). 

Read More: IndianExpress

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