Document Detail

Enhanced light output power of near UV light emitting diodes with graphene / indium tin oxide nanodot nodes for transparent and current spreading electrode.
MedLine Citation:
PMID:  22109191     Owner:  NLM     Status:  In-Data-Review    
We report GaN-based near ultraviolet (UV) light emitting diode (LED) that combines indium tin oxide (ITO) nanodot nodes with two-dimensional graphene film as a UV-transparent current spreading electrode (TCSE) to give rise to excellent UV emission efficiency. The light output power of 380 nm emitting UV-LEDs with graphene film on ITO nanodot nodes as TCSE was enhanced remarkably compared to conventional TCSE. The increase of the light output power is attributed to high UV transmittance of graphene, effective current spreading and injection, and texturing effect by ITO nanodots.
Tae Hoon Seo; Kang Jea Lee; Ah Hyun Park; Chang-Hee Hong; Eun-Kyung Suh; Seung Jin Chae; Young Hee Lee; Tran Viet Cuong; Viet Hung Pham; Jin Suk Chung; Eui Jung Kim; Seong-Ran Jeon
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  19     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  23111-7     Citation Subset:  IM    
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