Relationship between dopant energy levels and device performances of triplet mixed host devices

Sung Hyun Kim; Jyongsik Jang; Jun Yeob Lee

doi:10.1016/j.jlumin.2008.07.002

Relationship between dopant energy levels and device performances of triplet mixed host devices

Sung Hyun Kim, Jyongsik Jang, Jun Yeob Lee

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

5 Scopus citations

Abstract

Device performances of phosphorescent organic light-emitting diodes (PHOLEDs) with triplet mixed host structure were correlated with dopant energy levels and mixed host composition. A mixed host of 4,4′,4″-tris-(N-carbazolyl)triphenylamine (TCTA) and spirobifluorene type host (PH1) was used and three different dopants with different bandgap were doped in the mixed host. Optimum quantum efficiency was obtained in TCTA:PH1 (50:50) mixed host device in the case of green dopants, while the optimum host composition for red and orange dopants was TCTA:PH1 (25:75).

Original language	English
Pages (from-to)	2035-2037
Number of pages	3
Journal	Journal of Luminescence
Volume	128
Issue number	12
DOIs	https://doi.org/10.1016/j.jlumin.2008.07.002
State	Published - Dec 2008
Externally published	Yes

Keywords

Dopant energy level
Quantum efficiency
Triplet mixed host

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10.1016/j.jlumin.2008.07.002

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title = "Relationship between dopant energy levels and device performances of triplet mixed host devices",

abstract = "Device performances of phosphorescent organic light-emitting diodes (PHOLEDs) with triplet mixed host structure were correlated with dopant energy levels and mixed host composition. A mixed host of 4,4′,4″-tris-(N-carbazolyl)triphenylamine (TCTA) and spirobifluorene type host (PH1) was used and three different dopants with different bandgap were doped in the mixed host. Optimum quantum efficiency was obtained in TCTA:PH1 (50:50) mixed host device in the case of green dopants, while the optimum host composition for red and orange dopants was TCTA:PH1 (25:75).",

keywords = "Dopant energy level, Quantum efficiency, Triplet mixed host",

author = "Kim, \{Sung Hyun\} and Jyongsik Jang and Lee, \{Jun Yeob\}",

year = "2008",

month = dec,

doi = "10.1016/j.jlumin.2008.07.002",

language = "English",

volume = "128",

pages = "2035--2037",

journal = "Journal of Luminescence",

issn = "0022-2313",

publisher = "Elsevier B.V.",

number = "12",

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TY - JOUR

T1 - Relationship between dopant energy levels and device performances of triplet mixed host devices

AU - Kim, Sung Hyun

AU - Jang, Jyongsik

AU - Lee, Jun Yeob

PY - 2008/12

Y1 - 2008/12

N2 - Device performances of phosphorescent organic light-emitting diodes (PHOLEDs) with triplet mixed host structure were correlated with dopant energy levels and mixed host composition. A mixed host of 4,4′,4″-tris-(N-carbazolyl)triphenylamine (TCTA) and spirobifluorene type host (PH1) was used and three different dopants with different bandgap were doped in the mixed host. Optimum quantum efficiency was obtained in TCTA:PH1 (50:50) mixed host device in the case of green dopants, while the optimum host composition for red and orange dopants was TCTA:PH1 (25:75).

AB - Device performances of phosphorescent organic light-emitting diodes (PHOLEDs) with triplet mixed host structure were correlated with dopant energy levels and mixed host composition. A mixed host of 4,4′,4″-tris-(N-carbazolyl)triphenylamine (TCTA) and spirobifluorene type host (PH1) was used and three different dopants with different bandgap were doped in the mixed host. Optimum quantum efficiency was obtained in TCTA:PH1 (50:50) mixed host device in the case of green dopants, while the optimum host composition for red and orange dopants was TCTA:PH1 (25:75).

KW - Dopant energy level

KW - Quantum efficiency

KW - Triplet mixed host

UR - https://www.scopus.com/pages/publications/51249109261

U2 - 10.1016/j.jlumin.2008.07.002

DO - 10.1016/j.jlumin.2008.07.002

M3 - Article

AN - SCOPUS:51249109261

SN - 0022-2313

VL - 128

SP - 2035

EP - 2037

JO - Journal of Luminescence

JF - Journal of Luminescence

IS - 12

ER -

Relationship between dopant energy levels and device performances of triplet mixed host devices

Abstract

Keywords

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