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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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Silver-Based Nanoparticles for Surface Plasmon Resonance in Organic Optoelectronics

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Title
Silver-Based Nanoparticles for Surface Plasmon Resonance in Organic Optoelectronics
Author
Jeong, Su-HuChoi, HyosungKim, Jin YoungLee, Tae-Woo
Issue Date
2015-02
Publisher
Federal Republic of Germany
Citation
PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION, v.32, no.2, pp.164 - 175
Abstract
Organic optoelectronic devices including organic light-emitting diodes (OLEDs) and polymer solar cells (PSCs) have many advantages, including low-cost, mechanical flexibility, and amenability to large-area fabrication based on printing techniques, and have therefore attracted attention as next-generation flexible optoelectronic devices. Although almost 100% internal quantum efficiency of OLEDs has been achieved by using phosphorescent emitters and optimizing device structures, the external quantum efficiency (EQE) of OLEDs is still limited due to poor light extraction. Also, although intensive efforts to develop new conjugated polymers and device architectures have improved power conversion efficiency (PCE) up to 8%-9%, device efficiency must be improved to >10% for commercialization of PSCs. The surface plasmon resonance (SPR) effect of metal nanoparticles (NPs) can be an effective way to improve the extraction of light produced by decay of excitons in the emission layer and by absorption of incident light energy within the active layer. Silver (Ag) NPs are promising plasmonic materials due to a strong SPR peak and light-scattering effect. In this review, different SPR properties of Ag NPs are introduced as a function of size, shape, and surrounding matrix, and review recent progress on application of the SPR effect of AgNPs to OLEDs and PSCs. Surface plasmon resonance (SPR) effect of silver nanoparticles (Ag NPs) is a useful strategy for light trapping and emitting in polymer solar cells (PSCs) and organic light-emitting diodes (OLEDs). Among various metal NPs, Ag NPs have exhibited the most effective light trapping potential due to their strong light scattering and surface plasmon strength. In this review, an efficient light-trapping and light-emitting approach is focused using the SPR effect of Ag NPs to fabricate high-performance plasmonic OLEDs and PSCs.
URI
https://scholarworks.unist.ac.kr/handle/201301/9341
URL
https://onlinelibrary.wiley.com/doi/full/10.1002/ppsc.201400117
DOI
10.1002/ppsc.201400117
ISSN
0934-0866
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