Reduced angular dependence of the emission from tris(8-hydroxyquinoline) aluminum based microcavity

C. H. Cheung; A. B. Djurišić; C. Y. Kwong; Hoi Lam TAM; Kok Wai CHEAH; Z. T. Liu; W. K. Chan; P. C. Chui; J. Chan; A. D. Rakić

doi:10.1016/j.optcom.2004.12.006

Reduced angular dependence of the emission from tris(8-hydroxyquinoline) aluminum based microcavity

C. H. Cheung, A. B. Djurišić^*, C. Y. Kwong, Hoi Lam TAM, Kok Wai CHEAH, Z. T. Liu, W. K. Chan, P. C. Chui, J. Chan, A. D. Rakić

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Journal article › peer-review

7 Citations (Scopus)

Abstract

Organic microcavity light emitting diodes typically exhibit a significant blue shift of the emission wavelength with the viewing angle. In this work, we demonstrate significant reduction of the emission angular dependence of a microcavity device consisting of two organic layers, N,N′-di(naphthalene- 1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris(8-hydroxyquinoline) (Alq) as emitting layer, between two metal mirrors. The reduction of the angular dependence of the emission was achieved by optimizing the thickness of the layers within the device. The reasons for the reduced emission wavelength shift with the viewing angle are discussed.

Original language	English
Pages (from-to)	287-293
Number of pages	7
Journal	Optics Communications
Volume	248
Issue number	1-3
DOIs	https://doi.org/10.1016/j.optcom.2004.12.006
Publication status	Published - 1 Apr 2005

Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

User-Defined Keywords

Organic microcavity light emitting diodes

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10.1016/j.optcom.2004.12.006

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@article{d766d652159e4ce19979914d2c035b35,

title = "Reduced angular dependence of the emission from tris(8-hydroxyquinoline) aluminum based microcavity",

abstract = "Organic microcavity light emitting diodes typically exhibit a significant blue shift of the emission wavelength with the viewing angle. In this work, we demonstrate significant reduction of the emission angular dependence of a microcavity device consisting of two organic layers, N,N′-di(naphthalene- 1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris(8-hydroxyquinoline) (Alq) as emitting layer, between two metal mirrors. The reduction of the angular dependence of the emission was achieved by optimizing the thickness of the layers within the device. The reasons for the reduced emission wavelength shift with the viewing angle are discussed.",

keywords = "Organic microcavity light emitting diodes",

author = "Cheung, {C. H.} and Djuri{\v s}i{\'c}, {A. B.} and Kwong, {C. Y.} and TAM, {Hoi Lam} and CHEAH, {Kok Wai} and Liu, {Z. T.} and Chan, {W. K.} and Chui, {P. C.} and J. Chan and Raki{\'c}, {A. D.}",

note = "Funding Information: This work is supported by The Research Grants Council of the Hong Kong Special Administrative Region (Project No. HKU 7056/02E and HKBU 2051/02P). The authors thank Dr. J. Gao for the use of step profiler to verify the device thickness.",

year = "2005",

month = apr,

day = "1",

doi = "10.1016/j.optcom.2004.12.006",

language = "English",

volume = "248",

pages = "287--293",

journal = "Optics Communications",

issn = "0030-4018",

publisher = "Elsevier",

number = "1-3",

}

TY - JOUR

T1 - Reduced angular dependence of the emission from tris(8-hydroxyquinoline) aluminum based microcavity

AU - Cheung, C. H.

AU - Djurišić, A. B.

AU - Kwong, C. Y.

AU - TAM, Hoi Lam

AU - CHEAH, Kok Wai

AU - Liu, Z. T.

AU - Chan, W. K.

AU - Chui, P. C.

AU - Chan, J.

AU - Rakić, A. D.

N1 - Funding Information: This work is supported by The Research Grants Council of the Hong Kong Special Administrative Region (Project No. HKU 7056/02E and HKBU 2051/02P). The authors thank Dr. J. Gao for the use of step profiler to verify the device thickness.

PY - 2005/4/1

Y1 - 2005/4/1

N2 - Organic microcavity light emitting diodes typically exhibit a significant blue shift of the emission wavelength with the viewing angle. In this work, we demonstrate significant reduction of the emission angular dependence of a microcavity device consisting of two organic layers, N,N′-di(naphthalene- 1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris(8-hydroxyquinoline) (Alq) as emitting layer, between two metal mirrors. The reduction of the angular dependence of the emission was achieved by optimizing the thickness of the layers within the device. The reasons for the reduced emission wavelength shift with the viewing angle are discussed.

AB - Organic microcavity light emitting diodes typically exhibit a significant blue shift of the emission wavelength with the viewing angle. In this work, we demonstrate significant reduction of the emission angular dependence of a microcavity device consisting of two organic layers, N,N′-di(naphthalene- 1-yl)-N,N′-diphenylbenzidine (NPB) as a hole transport layer and tris(8-hydroxyquinoline) (Alq) as emitting layer, between two metal mirrors. The reduction of the angular dependence of the emission was achieved by optimizing the thickness of the layers within the device. The reasons for the reduced emission wavelength shift with the viewing angle are discussed.

KW - Organic microcavity light emitting diodes

UR - http://www.scopus.com/inward/record.url?scp=20144365265&partnerID=8YFLogxK

U2 - 10.1016/j.optcom.2004.12.006

DO - 10.1016/j.optcom.2004.12.006

M3 - Journal article

AN - SCOPUS:20144365265

SN - 0030-4018

VL - 248

SP - 287

EP - 293

JO - Optics Communications

JF - Optics Communications

IS - 1-3

ER -

Reduced angular dependence of the emission from tris(8-hydroxyquinoline) aluminum based microcavity

Abstract

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