Publication

Molecular Ionic Junction for Enhanced Electronic Charge Transfer

Mohammad Khaja Nazeeruddin, Diego Repetto
2009
Journal Articles

Abstract

We present the first evidence of charge injection improvement in an organic electroluminescent device provided by a single ionic molecular layer. A hole-dominated, hybrid organic-inorganic light-emitting device is used as a probe to verify the effectiveness of the ionic compound monolayer on modifying the metal oxide cathode. The rearrangement of ions under an applied bias induces a strong field at the electrode-organic interface resulting in an enhancement of the electron injection into the organic semiconductor. A strong decrease in turn-on voltage for electroluminescence is observed for the device containing the ionic molecular monolayer.

Official source

https://infoscience.epfl.ch/entities/publication/311f2248-1861-454f-92ab-a1f8900c25e4

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Mohammad Khaja Nazeeruddin, Diego Repetto
2009
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/311f2248-1861-454f-92ab-a1f8900c25e4

About this result

Related concepts (22)

OLED

An organic light-emitting diode (OLED), also known as organic electroluminescent (organic EL) diode, is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current. This organic layer is situated between two electrodes; typically, at least one of these electrodes is transparent. OLEDs are used to create digital displays in devices such as television screens, computer monitors, and portable systems such as smartphones and handheld game consoles.

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