|Semi-crystalline photovoltaic polymers with efficiency exceeding 9% in a∼ 300 nm thick conventional single-cell device|
TL Nguyen, H Choi, SJ Ko, MA Uddin, B Walker, S Yum, JE Jeong, ...
Energy & Environmental Science 7 (9), 3040-3051, 2014
|Versatile surface plasmon resonance of carbon-dot-supported silver nanoparticles in polymer optoelectronic devices|
H Choi, SJ Ko, Y Choi, P Joo, T Kim, BR Lee, JW Jung, HJ Choi, M Cha, ...
Nature Photonics 7 (9), 732-738, 2013
|Small‐bandgap polymer solar cells with unprecedented short‐circuit current density and high fill factor|
H Choi, SJ Ko, T Kim, PO Morin, B Walker, BH Lee, M Leclerc, JY Kim, ...
Advanced Materials 27 (21), 3318-3324, 2015
|Multipositional silica-coated silver nanoparticles for high-performance polymer solar cells|
H Choi, JP Lee, SJ Ko, JW Jung, H Park, S Yoo, O Park, JR Jeong, S Park, ...
Nano letters 13 (5), 2204-2208, 2013
|Capillary printing of highly aligned silver nanowire transparent electrodes for high-performance optoelectronic devices|
S Kang, T Kim, S Cho, Y Lee, A Choe, B Walker, SJ Ko, JY Kim, H Ko
Nano letters 15 (12), 7933-7942, 2015
|Amine‐based polar solvent treatment for highly efficient inverted polymer solar cells|
BR Lee, ED Jung, YS Nam, M Jung, JS Park, S Lee, H Choi, SJ Ko, ...
Advanced materials 26 (3), 494-500, 2014
|Interplay of intramolecular noncovalent coulomb interactions for semicrystalline photovoltaic polymers|
MA Uddin, TH Lee, S Xu, SY Park, T Kim, S Song, TL Nguyen, S Ko, ...
Chemistry of Materials 27 (17), 5997-6007, 2015
|Highly efficient polymer light-emitting diodes using graphene oxide as a hole transport layer|
BR Lee, J Kim, D Kang, DW Lee, SJ Ko, HJ Lee, CL Lee, JY Kim, HS Shin, ...
Acs Nano 6 (4), 2984-2991, 2012
|Semicrystalline d–a copolymers with different chain curvature for applications in polymer optoelectronic devices|
W Lee, GH Kim, SJ Ko, S Yum, S Hwang, S Cho, YH Shin, JY Kim, ...
Macromolecules 47 (5), 1604-1612, 2014
|Synthesis of PCDTBT-based fluorinated polymers for high open-circuit voltage in organic photovoltaics: towards an understanding of relationships between polymer energy levels …|
J Kim, MH Yun, GH Kim, J Lee, SM Lee, SJ Ko, Y Kim, GK Dutta, M Moon, ...
ACS applied materials & interfaces 6 (10), 7523-7534, 2014
|An organic surface modifier to produce a high work function transparent electrode for high performance polymer solar cells|
H Choi, HB Kim, SJ Ko, JY Kim, AJ Heeger
Advanced Materials 27 (5), 892-896, 2015
|Redox-active charge carriers of conducting polymers as a tuner of conductivity and its potential window|
HS Park, SJ Ko, JS Park, JY Kim, HK Song
Scientific reports 3 (1), 1-6, 2013
|Investigation of charge carrier behavior in high performance ternary blend polymer solar cells|
TH Lee, MA Uddin, C Zhong, SJ Ko, B Walker, T Kim, YJ Yoon, SY Park, ...
Advanced Energy Materials 6 (19), 1600637, 2016
|Solution‐Processed Semitransparent Organic Photovoltaics: From Molecular Design to Device Performance|
VV Brus, J Lee, BR Luginbuhl, SJ Ko, GC Bazan, TQ Nguyen
Advanced Materials 31 (30), 1900904, 2019
|Highly efficient plasmonic organic optoelectronic devices based on a conducting polymer electrode incorporated with silver nanoparticles|
SJ Ko, H Choi, W Lee, T Kim, BR Lee, JW Jung, JR Jeong, MH Song, ...
Energy & Environmental Science 6 (6), 1949-1955, 2013
|Design of nonfullerene acceptors with near‐infrared light absorption capabilities|
J Lee, SJ Ko, M Seifrid, H Lee, C McDowell, BR Luginbuhl, A Karki, K Cho, ...
Advanced Energy Materials 8 (26), 1801209, 2018
|Improved Performance in Polymer Solar Cells Using Mixed PC61BM/PC71BM Acceptors|
SJ Ko, W Lee, H Choi, B Walker, S Yum, S Kim, TJ Shin, HY Woo, JY Kim
Advanced Energy Materials 5 (5), 1401687, 2015
|Side-chain engineering of nonfullerene acceptors for near-infrared organic photodetectors and photovoltaics|
J Lee, SJ Ko, H Lee, J Huang, Z Zhu, M Seifrid, J Vollbrecht, VV Brus, ...
ACS Energy Letters 4 (6), 1401-1409, 2019
|Quinoxaline–thiophene based thick photovoltaic devices with an efficiency of∼ 8%|
Y Li, SJ Ko, SY Park, H Choi, TL Nguyen, MA Uddin, T Kim, S Hwang, ...
Journal of Materials Chemistry A 4 (25), 9967-9976, 2016
|Bandgap narrowing in non‐fullerene acceptors: single atom substitution leads to high optoelectronic response beyond 1000 nm|
J Lee, SJ Ko, M Seifrid, H Lee, BR Luginbuhl, A Karki, M Ford, ...
Advanced Energy Materials 8 (24), 1801212, 2018