Azzez, Shrook A. and Hassan, Z. and Hassan J., J. J. and Mahdi, Mohamed S. and Bouodina, M.
(2016)
Fabrication of a High-Stability Blue-Light-Emitting Diode Based on n-ZnO Nanorods/p-GaN Structure Heterojunction Grown by Hydrothermal Method.
In: 3rd Meeting of Malaysia Nitrides Research Group (MNRG 2016).
Abstract
Through a facile low-temperature hydrothermal process, heterojunction light-emitting diode (LED) was
successfully fabricated by growing vertically aligned ZnO nanorods on ZnO seeded p-GaN substrate.
Structural measurement revealed that nanorods with wurtzite structure having a preferential orientation
along the (002) c-axis. The electrical measurements showed an excellent rectifying behavior with low
threshold voltage, which confirms the formation of a heterojunction diode. The electroluminescence
spectra showed that the intensity of blue emission at 400 nm increased with increasing forward bias
voltage.
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