Record high hole mobility in polymer semiconductors via side-chain engineering

…, HJ Yun, DS Chung, SK Kwon, YH Kim - Journal of the American …, 2013 - ACS Publications
Charge carrier mobility is still the most challenging issue that should be overcome to realize
everyday organic electronics in the near future. In this Communication, we show that …

Highly stretchable polymer semiconductor films through the nanoconfinement effect

…, J Park, BC Schroeder, C Lu, JY Oh, Y Wang, YH Kim… - Science, 2017 - science.org
Soft and conformable wearable electronics require stretchable semiconductors, but existing
ones typically sacrifice charge transport mobility to achieve stretchability. We explore a …

Neuromorphic sensorimotor loop embodied by monolithically integrated, low-voltage, soft e-skin

…, Y Zheng, CC Shih, R Ning, Q Lin, D Li, YH Kim, J Kim… - Science, 2023 - science.org
Artificial skin that simultaneously mimics sensory feedback and mechanical properties of
natural skin holds substantial promise for next-generation robotic and medical devices. …

Recent progress and prospects of dimer and multimer acceptors for efficient and stable polymer solar cells

…, S Lee, D Jeong, C Lee, YH Kim, BJ Kim - Chemical Society …, 2024 - pubs.rsc.org
High power conversion efficiency (PCE) and long-term stability are essential prerequisites for
the commercialization of polymer solar cells (PSCs). Small-molecule acceptors (SMAs) are …

A diketopyrrolopyrrole-containing hole transporting conjugated polymer for use in efficient stable organic–inorganic hybrid solar cells based on a perovskite

YS Kwon, J Lim, HJ Yun, YH Kim, T Park - Energy & Environmental …, 2014 - pubs.rsc.org
Poly[2,5-bis(2-decyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione-(E)-1,2-di(2,2′-bithiophen-5-yl)
ethene] (PDPPDBTE) was successfully incorporated as a p-type hole transporting …

Deep-blue phosphorescence from perfluoro carbonyl-substituted iridium complexes

…, K Yang, SK Kwon, JJ Kim, YH Kim - Journal of the …, 2013 - ACS Publications
The new deep-blue iridium(III) complexes, (TF) 2 Ir(pic), (TF) 2 Ir(fptz), (HF) 2 Ir(pic), and (HF)
2 Ir(fptz), consisting of 2′,4″-difluororphenyl-3-methylpyridine with trifluoromethyl …

Novel blue emitting material with high color purity

YH Kim, DC Shin, SH Kim, CH Ko, HS Yu… - Advanced …, 2001 - Wiley Online Library
A stable non‐polymeric organic glass with a high glass transition temperature has been
prepared and its properties are reported here. The purest blue emission so far achieved can be …

Diketopyrrolopyrrole (DPP)-Based polymers and their organic field-effect transistor applications: A review

HJ Cheon, TK An, YH Kim - Macromolecular Research, 2022 - Springer
Diketopyrrolopyrrole (DPP)-based polymeric semiconductors have recently attracted widespread
attention and, due to their high field-effect mobility values, been studied for the field of …

Side-chain-induced rigid backbone organization of polymer semiconductors through semifluoroalkyl side chains

…, R Kim, SB Lee, SK Kwon, YH Kim… - Journal of the …, 2016 - ACS Publications
While high-mobility p-type conjugated polymers have been widely reported, high-mobility n-type
conjugated polymers are still rare. In the present work, we designed semifluorinated …

Dimerized small-molecule acceptors enable efficient and stable organic solar cells

…, C Lee, D Lee, S Cho, SK Kwon, BJ Kim, YH Kim - Joule, 2023 - cell.com
The power conversion efficiencies (PCEs) of small-molecule acceptor (SMA)-based organic
solar cells (OSCs) have increased remarkably, but their long-term stability is insufficient for …