Enhanced Light Emission of Light-Emitting Diodes with Silicon Oxide Nanobowls Photonic Crystal without Electrical Performance Damages

Unencapsulated GaN-based light-emitting diodes (LEDs) with two-dimensional (2D) hexagonal closely-packed silicon oxide nanobowls photonic crystal (PhC) on the indium tin oxide (ITO) transparent conductive layer were fabricated by using polystyrene spheres and sol--gel process. Compared to convention...

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Veröffentlicht in:	Japanese Journal of Applied Physics 2013-04, Vol.52 (4), p.040207-040207-4
Hauptverfasser:	Du, Chengxiao, Geng, Chong, Zheng, Haiyang, Wei, Tongbo, Chen, Yu, Zhang, Yiyun, Wu, Kui, Yan, Qingfeng, Wang, Junxi, Li, Jinmin
Format:	Artikel
Sprache:	eng
Schlagworte:	Damage Indium tin oxide Injection current Light-emitting diodes Nanostructure Photonic crystals Silicon oxides Two dimensional
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Zusammenfassung:	Unencapsulated GaN-based light-emitting diodes (LEDs) with two-dimensional (2D) hexagonal closely-packed silicon oxide nanobowls photonic crystal (PhC) on the indium tin oxide (ITO) transparent conductive layer were fabricated by using polystyrene spheres and sol--gel process. Compared to conventional LEDs with planar ITO layers, the light output power of 600-nm-lattice PhC LEDs was improved by 25.6% at an injection current of 20 mA. Furthermore, electrical performance of the PhC LEDs was damage-free via this chemical technique.
ISSN:	0021-4922 1347-4065
DOI:	10.7567/JJAP.52.040207