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Graphene as anode electrode for colloidal quantum dots based light emitting diodes
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10.1063/1.4816745
/content/aip/journal/apl/103/4/10.1063/1.4816745
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816745
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic representation of the types of QD-LED structures under study; (b) the energy band diagram of the QD-LED device type 2.

Image of FIG. 2.
FIG. 2.

Shown for the type-1 devices is: (a) J–V characteristic (open squares) and its linear fit (gray line). (b) EL intensity kinetics under forward (black squares) and reverse (red circles) current density of J = 0.2 A/cm for both cases.

Image of FIG. 3.
FIG. 3.

Shown for the type-1 devices is: (a) EL-peak intensity (red line) and EL power efficiency (black line) vs current density in a log-log plot. (b) Normalized EL spectra shown for selected J values together with a photoluminescence spectrum observed on the as-fabricated sample.

Image of FIG. 4.
FIG. 4.

Integrated EL intensity of QD-LED with graphene (type 2; triangles) and ITO based (type 3; circles) anode junctions as a function of current density for the (a) complete current density range, and (b) a detailed scan for current densities J < 0.35 A/cm.

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/content/aip/journal/apl/103/4/10.1063/1.4816745
2013-07-26
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Graphene as anode electrode for colloidal quantum dots based light emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816745
10.1063/1.4816745
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