Study of the magnetic field effects on carriers' mobility in polymer based light-emitting diodes

Jixiang Sun; Qiming Peng; Xianjie Li; Mingliang Li; Feng Li

doi:10.1016/j.synthmet.2011.11.033

Study of the magnetic field effects on carriers' mobility in polymer based light-emitting diodes

Jixiang Sun, Qiming Peng, Xianjie Li, Mingliang Li, Feng Li

Jilin University

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The magnetic field effects on the carriers' mobility have been investigated for poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonat) (PFO) based light emitting diodes by the transient electroluminescence (EL) method. The EL pulses can be divided into the following six regions: (a) a delay region; (b) a fast initial rising edge; (c) a second slower rising edge; (d) a quasisteady state; (e) a fast falling edge; and (f) a slow decay region. The effect of the external magnetic field on the different regions can be obtained by measuring the EL pulses both with and without a magnetic field. It is found that the external magnetic field has no effect on both the electron and hole mobility in PFO based light-emitting diodes when the driving voltage is above the onset of the electroluminescence.

Original language	English
Pages (from-to)	257-260
Number of pages	4
Journal	Synthetic Metals
Volume	162
Issue number	3-4
DOIs	https://doi.org/10.1016/j.synthmet.2011.11.033
State	Published - Mar 2012
Externally published	Yes

Keywords

Electroluminescence (EL)
Magnetic field effects (MFEs)
Mobility
Polymer light-emitting diodes (PLEDs)

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10.1016/j.synthmet.2011.11.033

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title = "Study of the magnetic field effects on carriers' mobility in polymer based light-emitting diodes",

abstract = "The magnetic field effects on the carriers' mobility have been investigated for poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonat) (PFO) based light emitting diodes by the transient electroluminescence (EL) method. The EL pulses can be divided into the following six regions: (a) a delay region; (b) a fast initial rising edge; (c) a second slower rising edge; (d) a quasisteady state; (e) a fast falling edge; and (f) a slow decay region. The effect of the external magnetic field on the different regions can be obtained by measuring the EL pulses both with and without a magnetic field. It is found that the external magnetic field has no effect on both the electron and hole mobility in PFO based light-emitting diodes when the driving voltage is above the onset of the electroluminescence.",

keywords = "Electroluminescence (EL), Magnetic field effects (MFEs), Mobility, Polymer light-emitting diodes (PLEDs)",

author = "Jixiang Sun and Qiming Peng and Xianjie Li and Mingliang Li and Feng Li",

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AU - Sun, Jixiang

AU - Peng, Qiming

AU - Li, Xianjie

AU - Li, Mingliang

AU - Li, Feng

PY - 2012/3

Y1 - 2012/3

N2 - The magnetic field effects on the carriers' mobility have been investigated for poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonat) (PFO) based light emitting diodes by the transient electroluminescence (EL) method. The EL pulses can be divided into the following six regions: (a) a delay region; (b) a fast initial rising edge; (c) a second slower rising edge; (d) a quasisteady state; (e) a fast falling edge; and (f) a slow decay region. The effect of the external magnetic field on the different regions can be obtained by measuring the EL pulses both with and without a magnetic field. It is found that the external magnetic field has no effect on both the electron and hole mobility in PFO based light-emitting diodes when the driving voltage is above the onset of the electroluminescence.

AB - The magnetic field effects on the carriers' mobility have been investigated for poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonat) (PFO) based light emitting diodes by the transient electroluminescence (EL) method. The EL pulses can be divided into the following six regions: (a) a delay region; (b) a fast initial rising edge; (c) a second slower rising edge; (d) a quasisteady state; (e) a fast falling edge; and (f) a slow decay region. The effect of the external magnetic field on the different regions can be obtained by measuring the EL pulses both with and without a magnetic field. It is found that the external magnetic field has no effect on both the electron and hole mobility in PFO based light-emitting diodes when the driving voltage is above the onset of the electroluminescence.

KW - Electroluminescence (EL)

KW - Magnetic field effects (MFEs)

KW - Mobility

KW - Polymer light-emitting diodes (PLEDs)

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Study of the magnetic field effects on carriers' mobility in polymer based light-emitting diodes

Abstract

Keywords

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