Abstract
We studied the fabrication and electroluminescent (EL) characteristics of GaN/ In1-x Gax N/GaN/ZnO nanoarchitecture light emitting diode (LED) microarrays consisting of position-controlled GaN/ZnO coaxial nanotube heterostructures. For the fabrication of nanoarchitecture LED arrays, n -GaN, GaN/ In0.24 Ga0.76 N multiquantum well (MQW) structures and p -GaN layers were deposited coaxially over the entire surface of position-controlled ZnO nanotube arrays grown vertically on c -plane sapphire substrates. The nanoarchitecture LEDs exhibited strong green and blue emission from the GaN/GaN/ In0.24 Ga0.76 N MQWs at room temperature. Furthermore, the origins of dominant EL peaks are also discussed.
Original language | English |
---|---|
Article number | 213101 |
Journal | Applied Physics Letters |
Volume | 94 |
Issue number | 21 |
DOIs | |
Publication status | Published - 2009 |
Externally published | Yes |
Bibliographical note
Funding Information:This work was financially supported by the National Creative Research Initiative Project (Grant No. R16-2004-004-01001-0) of the Korea Science and Engineering Foundations (KOSEF).
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)