Efficient blue phosphorescent organic light-emitting diodes enabled by Ag-nanoparticles-embedded hole transporting layer

Zheng Zhong; Hong Lian; Jian Wu; Xiaozhe Cheng; Hua Wang; Qingchen Dong; Fu Rong ZHU

doi:10.1016/j.orgel.2018.01.021

Efficient blue phosphorescent organic light-emitting diodes enabled by Ag-nanoparticles-embedded hole transporting layer

Zheng Zhong, Hong Lian, Jian Wu, Xiaozhe Cheng, Hua Wang, Qingchen Dong^*, Fu Rong ZHU

^*Corresponding author for this work

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

9 Citations (Scopus)

Abstract

We reported our effort to develop efficient blue phosphorescent organic light-emitting diodes (PhOLEDs) by embedding an ultrathin layer of Ag nanoparticles (NPs) in the hole transporting layer (HTL). The experimental results support the theoretical simulation in showing that the enhancement in EL performance of the PhOLEDs was attained via the coupling between the excitons and the localized surface plasmons, generated by the embedded Ag NPs in the HTL. Compared to the control device with a conventional organic HTL, the PhOLEDs with an Ag-NPs-embedded HTL have an enhanced luminous efficiency of 31.50 cd/A and a higher power efficiency of 19.08 lm/W, that were 2.5 times higher than the luminous efficiency of a control PhOLED (12.75 cd/A) and 2.4 times higher than the power efficiency of the control device (8.35 lm/W). The use of an Ag-NPs-embedded HTL also is beneficial for reducing the efficiency roll-off in blue PhOLEDs.

Original language	English
Pages (from-to)	31-36
Number of pages	6
Journal	Organic Electronics
Volume	56
DOIs	https://doi.org/10.1016/j.orgel.2018.01.021
Publication status	Published - May 2018

Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Biomaterials
Chemistry(all)
Condensed Matter Physics
Materials Chemistry
Electrical and Electronic Engineering

User-Defined Keywords

Ag nanoparticles
Blue PhOLED
Localized surface plasmons
Optimization

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10.1016/j.orgel.2018.01.021

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@article{e1b62b6435574037a58329115b9ed083,

title = "Efficient blue phosphorescent organic light-emitting diodes enabled by Ag-nanoparticles-embedded hole transporting layer",

abstract = "We reported our effort to develop efficient blue phosphorescent organic light-emitting diodes (PhOLEDs) by embedding an ultrathin layer of Ag nanoparticles (NPs) in the hole transporting layer (HTL). The experimental results support the theoretical simulation in showing that the enhancement in EL performance of the PhOLEDs was attained via the coupling between the excitons and the localized surface plasmons, generated by the embedded Ag NPs in the HTL. Compared to the control device with a conventional organic HTL, the PhOLEDs with an Ag-NPs-embedded HTL have an enhanced luminous efficiency of 31.50 cd/A and a higher power efficiency of 19.08 lm/W, that were 2.5 times higher than the luminous efficiency of a control PhOLED (12.75 cd/A) and 2.4 times higher than the power efficiency of the control device (8.35 lm/W). The use of an Ag-NPs-embedded HTL also is beneficial for reducing the efficiency roll-off in blue PhOLEDs.",

keywords = "Ag nanoparticles, Blue PhOLED, Localized surface plasmons, Optimization",

author = "Zheng Zhong and Hong Lian and Jian Wu and Xiaozhe Cheng and Hua Wang and Qingchen Dong and ZHU, {Fu Rong}",

note = "Funding Information: Q.C. Dong acknowledges the financial support from the Youth “Sanjin” Scholar Program, the Key R&D Project of Shanxi Province ( International Cooperation Program , project No. 201603D421032 ) and the National Science Foundation of China , project No. 61774109 . F.R. Zhu acknowledges the financial support by the Hong Kong Baptist University Inter-Institutional Collaborative Research Scheme ( RC-ICRS/15-16/04 ) and Shenzhen Peacock Plan ( KQTD20140630110339343 ).",

year = "2018",

month = may,

doi = "10.1016/j.orgel.2018.01.021",

language = "English",

volume = "56",

pages = "31--36",

journal = "Organic Electronics",

issn = "1566-1199",

publisher = "Elsevier BV",

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TY - JOUR

T1 - Efficient blue phosphorescent organic light-emitting diodes enabled by Ag-nanoparticles-embedded hole transporting layer

AU - Zhong, Zheng

AU - Lian, Hong

AU - Wu, Jian

AU - Cheng, Xiaozhe

AU - Wang, Hua

AU - Dong, Qingchen

AU - ZHU, Fu Rong

N1 - Funding Information: Q.C. Dong acknowledges the financial support from the Youth “Sanjin” Scholar Program, the Key R&D Project of Shanxi Province ( International Cooperation Program , project No. 201603D421032 ) and the National Science Foundation of China , project No. 61774109 . F.R. Zhu acknowledges the financial support by the Hong Kong Baptist University Inter-Institutional Collaborative Research Scheme ( RC-ICRS/15-16/04 ) and Shenzhen Peacock Plan ( KQTD20140630110339343 ).

PY - 2018/5

Y1 - 2018/5

N2 - We reported our effort to develop efficient blue phosphorescent organic light-emitting diodes (PhOLEDs) by embedding an ultrathin layer of Ag nanoparticles (NPs) in the hole transporting layer (HTL). The experimental results support the theoretical simulation in showing that the enhancement in EL performance of the PhOLEDs was attained via the coupling between the excitons and the localized surface plasmons, generated by the embedded Ag NPs in the HTL. Compared to the control device with a conventional organic HTL, the PhOLEDs with an Ag-NPs-embedded HTL have an enhanced luminous efficiency of 31.50 cd/A and a higher power efficiency of 19.08 lm/W, that were 2.5 times higher than the luminous efficiency of a control PhOLED (12.75 cd/A) and 2.4 times higher than the power efficiency of the control device (8.35 lm/W). The use of an Ag-NPs-embedded HTL also is beneficial for reducing the efficiency roll-off in blue PhOLEDs.

AB - We reported our effort to develop efficient blue phosphorescent organic light-emitting diodes (PhOLEDs) by embedding an ultrathin layer of Ag nanoparticles (NPs) in the hole transporting layer (HTL). The experimental results support the theoretical simulation in showing that the enhancement in EL performance of the PhOLEDs was attained via the coupling between the excitons and the localized surface plasmons, generated by the embedded Ag NPs in the HTL. Compared to the control device with a conventional organic HTL, the PhOLEDs with an Ag-NPs-embedded HTL have an enhanced luminous efficiency of 31.50 cd/A and a higher power efficiency of 19.08 lm/W, that were 2.5 times higher than the luminous efficiency of a control PhOLED (12.75 cd/A) and 2.4 times higher than the power efficiency of the control device (8.35 lm/W). The use of an Ag-NPs-embedded HTL also is beneficial for reducing the efficiency roll-off in blue PhOLEDs.

KW - Ag nanoparticles

KW - Blue PhOLED

KW - Localized surface plasmons

KW - Optimization

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DO - 10.1016/j.orgel.2018.01.021

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JO - Organic Electronics

JF - Organic Electronics

ER -

Efficient blue phosphorescent organic light-emitting diodes enabled by Ag-nanoparticles-embedded hole transporting layer

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