Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Hong Kyu Seo"'
Autor:
Jaeho Lee, Tae-Hee Han, Min-Ho Park, Dae Yool Jung, Jeongmin Seo, Hong-Kyu Seo, Hyunsu Cho, Eunhye Kim, Jin Chung, Sung-Yool Choi, Taek-Soo Kim, Tae-Woo Lee, Seunghyup Yoo
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-9 (2016)
Replacing indium tin oxide with graphene in organic light-emitting diodes is a promising approach to enhance the flexibility of displays and light sources. Here, the authors combine graphene, TiO2and low-index hole-injection layers to achieve high ex
Externí odkaz:
https://doaj.org/article/1a9b02a023104e65b20ee490d127e957
Autor:
Kwang S. Kim, Tae Hee Han, Jung-Min Heo, Hobeom Kim, Nannan Li, Tae-Woo Lee, Yeongjun Lee, Su Hun Jeong, Min-Ho Park, Hong Kyu Seo, Soyeong Ahn
Publikováno v:
Nano Energy. 60:324-331
An ideal conducting polymer anode (CPA) in organic and perovskite light-emitting diodes (LEDs) requires high electrical conductivity κ, high work function WF, and prevention of exciton quenching between an anode and an overlying emitting layer. Howe
Autor:
Hong Kyu Seo, Hobeom Kim, Towfiq Ahmed, Wentao Xu, Tae-Woo Lee, Dong-Jin Kim, Sung Joo Kwon, Jian-Xin Zhu, Tae Hee Han, Byung Hee Hong, Young-Hoon Kim
Publikováno v:
ACS Applied Materials & Interfaces. 10:4874-4881
n-Type doping with (4-(1,3-dimethyl-2,3-dihydro-1H-benzoimidazol-2-yl)phenyl) dimethylamine (N-DMBI) reduces a work function (WF) of graphene by ∼0.45 eV without significant reduction of optical transmittance. Solution process of N-DMBI on graphene
Autor:
Young-Hoon Kim, Hobeom Kim, Jinwoo Byun, Tae-Woo Lee, Hong-Kyu Seo, Joo Sung Kim, Christoph Wolf, Su-Hun Jeong, Min-Ho Park, Himchan Cho
Publikováno v:
Nano Energy. 42:157-165
Organic-inorganic halide perovskite light emitting diode (PeLED) as a narrow band emitter is an emerging research field. To overcome limited electroluminescence efficiency of PeLEDs, trap-assisted non-radiative recombination in polycrystalline perovs
Publikováno v:
Angewandte Chemie International Edition. 55:6197-6201
We report effective solution-processed chemical p-type doping of graphene using trifluoromethanesulfonic acid (CF3 SO3 H, TFMS), that can provide essential requirements to approach an ideal flexible graphene anode for practical applications: i) high
Autor:
Sung-Joo Kwon, Min-Ho Park, Yeongjun Lee, Hong-Kyu Seo, Su-Hun Jeong, Tae Hee Han, Tae-Woo Lee
Publikováno v:
Journal of Information Display. 16:71-84
The use of flexible organic light-emitting diodes (OLEDs) for the next-generation displays and solid-state lightings has been considered, but the widely used transparent conducting electrode (TCE), indium–tin-oxide (ITO), should be replaced by flex
Autor:
Wentao Xu, KwangIk Kim, Lihua Wang, Hong-Kyu Seo, Tae-Woo Lee, Simil Thomas, Kwang S. Kim, Yiwen Liu
Publikováno v:
Advanced Materials. 27:1619-1623
n-Type doping of mixed single- and double-layer graphene grown by chemical vapor deposition (CVD) using decamethyl-cobaltocene reveals a local-quasilinear relationship between the work function and the logarithm of the dopant solution concentration.
Publikováno v:
Advanced Materials. 26:8010-8016
A individually position-addressable large-scale-aligned Cu nanofiber (NF) array is fabricated using electro-hydrodynamic nanowire printing. The printed single-stranded Cu NF has a diameter of about 710 nm and resistivity of 14.1 μΩ cm and is effect
Autor:
Tae-Woo Lee, Hong-Kyu Seo
Publikováno v:
Carbon letters. 14:145-151
Graphene is a fascinating material with excellent electrical, optical, mechanical, and chemi- cal properties. Remarkable progress has been made in the development of methods for syn- thesizing large-area, high-quality graphene. Recently, the chemical
Efficient Flexible Organic/Inorganic Hybrid Perovskite Light-Emitting Diodes Based on Graphene Anode
Autor:
Tae-Woo Lee, Hong Kyu Seo, Tae Hee Han, Young-Hoon Kim, Jaeho Lee, Hobeom Kim, Su Hun Jeong, Sung Joo Kwon, Seunghyup Yoo, Min-Ho Park
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 29(12)
Highly efficient organic/inorganic hybrid perovskite light-emitting diodes (PeLEDs) based on graphene anode are developed for the first time. Chemically inert graphene avoids quenching of excitons by diffused metal atom species from indium tin oxide.