High efficiency white LEDs with single-crystal ZnO current spreading layers deposited by aqueous solution epitaxy.

Abstract

Heteroepitaxial ZnO transparent current spreading layers with low sheet resistances were deposited on GaN-based light emitting diodes using aqueous solution phase epitaxy at temperatures below 90°C. The performance of the LEDs was analyzed and compared to identical devices using electron-beam evaporated indium tin oxide transparent current spreading layers… (More)

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