Improving the stability of organic light-emitting devices using a solution-processed hole-injecting layer

Xinwen Zhang; Zhaoxin Wu; Dongdong Wang; Dawei Wang; Xun Hou

doi:10.1016/j.apsusc.2009.04.192

Improving the stability of organic light-emitting devices using a solution-processed hole-injecting layer

Xinwen Zhang
, Zhaoxin Wu
, Dongdong Wang
, Dawei Wang
, Xun Hou

Key Lab of the Ministry of Education for Process Control and Efficiency Egineering
Xi'an Jiaotong University

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

10 Scopus citations

Abstract

The stability of organic light-emitting devices with a spin-coated film of 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (m-MTDATA) as hole-injection layer (HIL) was investigated. The lifetime of this device is increased to 40 900 h (with an initial luminance of 100 cd/m ² ), which is 2.7 times as large as that of the control device with a vacuum-deposited film of m-MTDATA as HIL. A significant feature with this method is that the performance and the operational stability of the device with spin-coated HIL are little attenuated by the rough substrate coated by the indium-tin oxide film. The surface morphology of the solution-processed m-MTDATA thin film is quite even and uniform, and it acts as a smoothing layer in the device, which leads to the stability enhancement of the device.

Original language	English
Pages (from-to)	7970-7973
Number of pages	4
Journal	Applied Surface Science
Volume	255
Issue number	18
DOIs	https://doi.org/10.1016/j.apsusc.2009.04.192
State	Published - 30 Jun 2009
Externally published	Yes

Keywords

Organic light-emitting devices
Solution-processed
Stability

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10.1016/j.apsusc.2009.04.192

Cite this

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title = "Improving the stability of organic light-emitting devices using a solution-processed hole-injecting layer",

abstract = " The stability of organic light-emitting devices with a spin-coated film of 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (m-MTDATA) as hole-injection layer (HIL) was investigated. The lifetime of this device is increased to 40 900 h (with an initial luminance of 100 cd/m 2 ), which is 2.7 times as large as that of the control device with a vacuum-deposited film of m-MTDATA as HIL. A significant feature with this method is that the performance and the operational stability of the device with spin-coated HIL are little attenuated by the rough substrate coated by the indium-tin oxide film. The surface morphology of the solution-processed m-MTDATA thin film is quite even and uniform, and it acts as a smoothing layer in the device, which leads to the stability enhancement of the device.",

keywords = "Organic light-emitting devices, Solution-processed, Stability",

author = "Xinwen Zhang and Zhaoxin Wu and Dongdong Wang and Dawei Wang and Xun Hou",

year = "2009",

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doi = "10.1016/j.apsusc.2009.04.192",

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pages = "7970--7973",

journal = "Applied Surface Science",

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TY - JOUR

T1 - Improving the stability of organic light-emitting devices using a solution-processed hole-injecting layer

AU - Zhang, Xinwen

AU - Wu, Zhaoxin

AU - Wang, Dongdong

AU - Wang, Dawei

AU - Hou, Xun

PY - 2009/6/30

Y1 - 2009/6/30

N2 - The stability of organic light-emitting devices with a spin-coated film of 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (m-MTDATA) as hole-injection layer (HIL) was investigated. The lifetime of this device is increased to 40 900 h (with an initial luminance of 100 cd/m 2 ), which is 2.7 times as large as that of the control device with a vacuum-deposited film of m-MTDATA as HIL. A significant feature with this method is that the performance and the operational stability of the device with spin-coated HIL are little attenuated by the rough substrate coated by the indium-tin oxide film. The surface morphology of the solution-processed m-MTDATA thin film is quite even and uniform, and it acts as a smoothing layer in the device, which leads to the stability enhancement of the device.

AB - The stability of organic light-emitting devices with a spin-coated film of 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (m-MTDATA) as hole-injection layer (HIL) was investigated. The lifetime of this device is increased to 40 900 h (with an initial luminance of 100 cd/m 2 ), which is 2.7 times as large as that of the control device with a vacuum-deposited film of m-MTDATA as HIL. A significant feature with this method is that the performance and the operational stability of the device with spin-coated HIL are little attenuated by the rough substrate coated by the indium-tin oxide film. The surface morphology of the solution-processed m-MTDATA thin film is quite even and uniform, and it acts as a smoothing layer in the device, which leads to the stability enhancement of the device.

KW - Organic light-emitting devices

KW - Solution-processed

KW - Stability

UR - https://www.scopus.com/pages/publications/67549109089

U2 - 10.1016/j.apsusc.2009.04.192

DO - 10.1016/j.apsusc.2009.04.192

M3 - 文章

AN - SCOPUS:67549109089

SN - 0169-4332

VL - 255

SP - 7970

EP - 7973

JO - Applied Surface Science

JF - Applied Surface Science

IS - 18

ER -

Improving the stability of organic light-emitting devices using a solution-processed hole-injecting layer

Abstract

Keywords

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