Eco-friendly quantum dot light-emitting diodes based on graphene

Title
Eco-friendly quantum dot light-emitting diodes based on graphene
Authors
손동익조성재김홍희최원국
Keywords
quantum dot; Eco-friendly; LED; light-emitting diodes; graphene
Issue Date
2013-09
Publisher
ICFPE 2013
Abstract
Recently, most studies concerning inorganic quantum dot (QD)-polymer hybrid LEDs have been concentrated on the structure with multiple layers1), 2) and CdSe materials for color reproduction such as blue, green and red from the light source has been widely used. Because Cd, however, is one of six substances banned by the Restriction on Hazardous Substances (RoHS) directive and classified into a hazardous substance for utilization and commercialization as well as for use in life, it was reported that the use of CdSe is not suitable to fabricate a photoelectronic device. In this work, a novel, simple and facile technique is introduced for the synthesis of eco-friendly ZnO–graphene quasi-core–shell quantum dots utilizing graphene quantum dot to overcome the toxic property of Cd. Also, we reported optical and structural properties of the hybrid quantum dots and the performance of LEDs.
URI
http://pubs.kist.re.kr/handle/201004/47025
Appears in Collections:
KIST Publication > Conference Paper
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