May 14, 2010

Expanding possibilities for hydrogen, batteries and lighting

* Expand the range of inexpensive materials you can use to extract oxygen from water using sunlight and you're a step closer to a source of cheap, clean hydrogen fuel. See A nickel-borate oxygen evolving catalyst that functions under benign conditions, Proceedings of the National Academy of Sciences, published online May 10, 2010.

* Mix a few carbon nanotubes in with a bunch of iron oxide nanorods and you have a high-performance electrode for lithium-ion batteries. See Nanostructured Fe3O4/SWNT Electrode: Binder-Free and High-Rate Li-Ion Anode, Advanced Materials, published online May 3, 2010.

* Make the right kind of transistor and you have an organic light emitting device that's 100 times more efficient than standard organic LEDs and twice as efficient as OLEDs built the same way as the new transistor. See Organic light-emitting transistors with an efficiency that outperforms the equivalent light-emitting diodes, Nature Materials, published online May 2, 2010.

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