期刊
APPLIED PHYSICS LETTERS
卷 103, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4836375
关键词
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资金
- National Natural Science Foundation of China [61376049 61076044, 61107026, 61204011]
- Natural Science Foundation of Beijing, China [4132006, 4102003, 4112006]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20121103110018]
- National High Technology Research and Development Program of China [2013AA031903, 2008AA03Z402]
- Special Grant for BJUT Large-Area Layer-Controllable Graphene Carbon Nanoelectronics Teaching and Research Base
Ordered and dense GaN light emitting nanorods are studied with polycrystalline graphene grown by rapid chemical vapor deposition as suspended transparent electrodes. As the substitute of indium tin oxide, the graphene avoids complex processing to fill up the gaps between nanorods and subsequent surface flattening and offers high conductivity to improve the carrier injection. The as-fabricated devices have 32% improvement in light output power compared to conventional planar GaN-graphene diodes. The suspended graphene remains electrically stable up to 300 degrees C in air. The graphene can be obtained at low cost and high efficiency, indicating its high potential in future applications. (C) 2013 AIP Publishing LLC.
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