@article{36ce8122806a46f993bdd6ea75019ee3,
title = "Light Extraction Enhancement in Flexible Organic Light-Emitting Diodes by a Light-Scattering Layer of Dewetted Ag Nanoparticles at Low Temperatures",
abstract = "We demonstrated light extraction improvement by applying a scattering layer of Ag nanoparticles physically synthesized through a low-temperature annealing process to flexible organic light-emitting diodes (OLEDs). In general, increasing the size of Ag nanoparticles is preferred to increase light scattering, but a high-temperature annealing process (∼400 °C) is required to produce them. However, flexible substrates generally cannot withstand high-temperature processes. In this study, we formed Ag nanoparticles at a low temperature of ∼200 °C by inserting a poly(3,4-ethylenedioxythiophene) polystyrene sulfonate buffer layer, thus promoting Ag dewetting. As a result, the scattering layer of enlarged Ag nanoparticles formed at low temperatures increased the external quantum efficiency by 24% in a flexible OLED compared to a reference device.",
keywords = "light extraction, light scattering, metal nanoparticles, organic light-emitting diodes (OLEDs), plasmonics",
author = "Junhee Choi and Seonju Kim and Park, {Cheol Hwee} and Kwack, {Jin Ho} and Park, {Chan Hyuk} and Ha Hwang and Im, {Hyeong Seop} and Park, {Young Wook} and Ju, {Byeong Kwon}",
note = "Funding Information: This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MSIP) (no. 2016R1A2B4014073) and the Ministry of Education (no. NRF-2017R1D1A1B03036520) and the Industry Technology R&D program (10048317, Development of red and blue OLEDs with EQE over 20% using delayed fluorescent materials) funded by MOTIE/KEIT. Funding Information: This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MSIP) (no. 2016R1A2B4014073) and the Ministry of Education (no. NRF-2017R1D1A1B03036520), and the Industry Technology R&D program (10048317, Development of red and blue OLEDs with EQE over 20% using delayed fluorescent materials) funded by MOTIE/KEIT. Publisher Copyright: {\textcopyright} 2018 American Chemical Society.",
year = "2018",
month = sep,
day = "26",
doi = "10.1021/acsami.8b07026",
language = "English",
volume = "10",
pages = "32373--32379",
journal = "ACS applied materials & interfaces",
issn = "1944-8244",
publisher = "American Chemical Society",
number = "38",
}