Graphene-silver nanowire hybrid structure as a transparent and current spreading electrode in ultraviolet light emitting diodes

Title
Graphene-silver nanowire hybrid structure as a transparent and current spreading electrode in ultraviolet light emitting diodes
Authors
Tae Hoon SeoBo Kyoung KimGangU Shin이창협김명종Hyunsoo KimEun-Kyung Suh
Keywords
Graphene; Silver nanowire; hybrid; UV LED
Issue Date
2013-07
Publisher
Applied physics letters
Citation
VOL 103, NO 5, 051105-1-051105-5
Abstract
We report a device that combines graphene film and Ag nanowires (AgNWs) as transparent and current spreading electrodes for ultra-violet (UV) light emitting diode (LED) with interesting characteristics for the potential use in the deep UV region. The current-voltage characteristics and electroluminescence (EL) performance show that graphene network on AgNWs well-operates as a transparent and current spreading electrode in UV LED devices. In addition, scanning electron microscopy and EL images exhibit that graphene film act as the protection layer of AgNWs layer as well as a transparent conducting network, by bridging AgNWs.
URI
http://pubs.kist.re.kr/handle/201004/45723
ISSN
00036951
Appears in Collections:
KIST Publication > Article
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