Research Highlights: Scientists from Rice University Prepare Graphene Based Material Applicable for Flexible OLEDS
Aug 4, 2011 Scientists from Rice University prepared thin hybrid metal-graphene electrodes - that outperform ITO electrodes. These electrodes are more transparent and less resistance to electric current. They can be used to create non-glass touch displays, transparent and flexible OLEDs, solar cells and lighting products.
The new electrode is a thin film of single-layer graphene and a fine grid of metal nanowire. The metal is used to enhance the conductivity at the required transparency. The metal grid strengthens the graphene, and the graphene fills all the empty spaces between the grid. The researchers found a grid of five-micron nanowires made of inexpensive, lightweight aluminum did not detract from the material's transparency.
To their excitement, the research group has discovered that the new electrode is quite flexible. The conductivity decreases by 20%-30% after the first 50 bends, but after that it remains stable - even after 500 bends.
You may see the demonstration of the new material prepared by the research group at Rice University at YouTube:
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