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Zinc oxide microwires improve the performance of light-emitting diodes

Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are believed to be the first LEDs whose performance has been enhanced by the creation of an electrical charge in a piezoelectric material using the piezo-phototronic effect.

Posted: Oct 31st, 2011

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Solar cells: The dyes have it

Precisely engineered dye compounds take inexpensive, corrosive-free dye-based photovoltaic devices to record levels of efficiency.

Posted: Oct 31st, 2011

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Nanoscale copper research leads to golden discovery

Working with Picosun Oy, a Finland-based global manufacturer of ALD equipment, the Carleton researchers solved the problem, creating a copper precursor with the potential to meet the performance needs of global semiconductor foundries.

Posted: Oct 30th, 2011

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