Effects of electron transport material on blue organic light-emitting diode with fluorescent dopant of BCzVBi

Mei Meng; Wook Song; You Hyun Kim; Sang Youn Lee; Chul Gyu Jhun; Fu Rong ZHU; Dae Hyun Ryu; Woo Young Kim

doi:10.1166/jnn.2013.6703

Effects of electron transport material on blue organic light-emitting diode with fluorescent dopant of BCzVBi

Mei Meng, Wook Song, You Hyun Kim, Sang Youn Lee, Chul Gyu Jhun, Fu Rong ZHU, Dae Hyun Ryu, Woo Young Kim^*

^*Corresponding author for this work

Department of Physics

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

5 Citations (Scopus)

Abstract

High efficiency blue organic light emitting diodes (OLEDs), based on 2-me-thyl-9,10-di(2-naphthyl) anthracene (MADN) doped with 4,4′-bis(9- ethyl-3-carbazovinylene)-1,1′-biphenyl (BCzVBi), were fabricated using two different electron transport layers (ETLs) of tris(8-hydroxyquinolino)-aluminum (Alq₃) and 4,7-di-phenyl-1,10-phenanthroline (Bphen). Bphen ETL layers favored the efficient hole-electron recombination in the emissive layer of the BCzVBi-doped blue OLEDs, leading to high luminous efficiency and quantum efficiency of 8.34 cd/A at 100 mA/cm² and 5.73% at 100 cd/m ², respectively. Maximum luminance of blue OLED with Bphen ETL and Alq₃ ETL were 10670 cd/m², and CIE_xy coordinates of blue OLEDs were (0.180, 0279) and (0.155, 0.212) at 100 cd/m ².

Original language	English
Pages (from-to)	294-299
Number of pages	6
Journal	Journal of Nanoscience and Nanotechnology
Volume	13
Issue number	1
DOIs	https://doi.org/10.1166/jnn.2013.6703
Publication status	Published - Jan 2013

Scopus Subject Areas

Bioengineering
Chemistry(all)
Biomedical Engineering
Materials Science(all)
Condensed Matter Physics

User-Defined Keywords

Blue OLED
Concentration quenching
Dopant
Electron transport layer (ETL)
Hole-electron recombination

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10.1166/jnn.2013.6703

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title = "Effects of electron transport material on blue organic light-emitting diode with fluorescent dopant of BCzVBi",

abstract = "High efficiency blue organic light emitting diodes (OLEDs), based on 2-me-thyl-9,10-di(2-naphthyl) anthracene (MADN) doped with 4,4′-bis(9- ethyl-3-carbazovinylene)-1,1′-biphenyl (BCzVBi), were fabricated using two different electron transport layers (ETLs) of tris(8-hydroxyquinolino)-aluminum (Alq3) and 4,7-di-phenyl-1,10-phenanthroline (Bphen). Bphen ETL layers favored the efficient hole-electron recombination in the emissive layer of the BCzVBi-doped blue OLEDs, leading to high luminous efficiency and quantum efficiency of 8.34 cd/A at 100 mA/cm2 and 5.73% at 100 cd/m 2, respectively. Maximum luminance of blue OLED with Bphen ETL and Alq3 ETL were 10670 cd/m2, and CIExy coordinates of blue OLEDs were (0.180, 0279) and (0.155, 0.212) at 100 cd/m 2.",

keywords = "Blue OLED, Concentration quenching, Dopant, Electron transport layer (ETL), Hole-electron recombination",

author = "Mei Meng and Wook Song and Kim, {You Hyun} and Lee, {Sang Youn} and Jhun, {Chul Gyu} and ZHU, {Fu Rong} and Ryu, {Dae Hyun} and Kim, {Woo Young}",

year = "2013",

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doi = "10.1166/jnn.2013.6703",

language = "English",

volume = "13",

pages = "294--299",

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issn = "1533-4880",

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}

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T1 - Effects of electron transport material on blue organic light-emitting diode with fluorescent dopant of BCzVBi

AU - Meng, Mei

AU - Song, Wook

AU - Kim, You Hyun

AU - Lee, Sang Youn

AU - Jhun, Chul Gyu

AU - ZHU, Fu Rong

AU - Ryu, Dae Hyun

AU - Kim, Woo Young

PY - 2013/1

Y1 - 2013/1

N2 - High efficiency blue organic light emitting diodes (OLEDs), based on 2-me-thyl-9,10-di(2-naphthyl) anthracene (MADN) doped with 4,4′-bis(9- ethyl-3-carbazovinylene)-1,1′-biphenyl (BCzVBi), were fabricated using two different electron transport layers (ETLs) of tris(8-hydroxyquinolino)-aluminum (Alq3) and 4,7-di-phenyl-1,10-phenanthroline (Bphen). Bphen ETL layers favored the efficient hole-electron recombination in the emissive layer of the BCzVBi-doped blue OLEDs, leading to high luminous efficiency and quantum efficiency of 8.34 cd/A at 100 mA/cm2 and 5.73% at 100 cd/m 2, respectively. Maximum luminance of blue OLED with Bphen ETL and Alq3 ETL were 10670 cd/m2, and CIExy coordinates of blue OLEDs were (0.180, 0279) and (0.155, 0.212) at 100 cd/m 2.

AB - High efficiency blue organic light emitting diodes (OLEDs), based on 2-me-thyl-9,10-di(2-naphthyl) anthracene (MADN) doped with 4,4′-bis(9- ethyl-3-carbazovinylene)-1,1′-biphenyl (BCzVBi), were fabricated using two different electron transport layers (ETLs) of tris(8-hydroxyquinolino)-aluminum (Alq3) and 4,7-di-phenyl-1,10-phenanthroline (Bphen). Bphen ETL layers favored the efficient hole-electron recombination in the emissive layer of the BCzVBi-doped blue OLEDs, leading to high luminous efficiency and quantum efficiency of 8.34 cd/A at 100 mA/cm2 and 5.73% at 100 cd/m 2, respectively. Maximum luminance of blue OLED with Bphen ETL and Alq3 ETL were 10670 cd/m2, and CIExy coordinates of blue OLEDs were (0.180, 0279) and (0.155, 0.212) at 100 cd/m 2.

KW - Blue OLED

KW - Concentration quenching

KW - Dopant

KW - Electron transport layer (ETL)

KW - Hole-electron recombination

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Effects of electron transport material on blue organic light-emitting diode with fluorescent dopant of BCzVBi

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