Hyungju Ahn
Hyungju Ahn
Pohang Accelerator Laboratory
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Investigation of structure–property relationships in diketopyrrolopyrrole-based polymer semiconductors via side-chain engineering
JY Back, H Yu, I Song, I Kang, H Ahn, TJ Shin, SK Kwon, JH Oh, YH Kim
Chemistry of materials 27 (5), 1732-1739, 2015
Investigation of Thermally Induced Degradation in CH3NH3PbI3 Perovskite Solar Cells using In-situ Synchrotron Radiation Analysis
NK Kim, YH Min, S Noh, E Cho, G Jeong, M Joo, SW Ahn, JS Lee, S Kim, ...
Scientific reports 7 (1), 4645, 2017
Directed self-assembly of block copolymers in the extreme: guiding microdomains from the small to the large
K Koo, H Ahn, SW Kim, DY Ryu, TP Russell
Soft Matter 9 (38), 9059-9071, 2013
Fluorination on both D and A units in D–A type conjugated copolymers based on difluorobithiophene and benzothiadiazole for highly efficient polymer solar cells
JW Jo, JW Jung, EH Jung, H Ahn, TJ Shin, WH Jo
Energy & Environmental Science 8 (8), 2427-2434, 2015
Controlling molecular orientation of naphthalenediimide‐based polymer acceptors for high performance all‐polymer solar cells
J Jung, W Lee, C Lee, H Ahn, BJ Kim
Advanced Energy Materials 6 (15), 1600504, 2016
Improving performance and stability of flexible planar‐heterojunction perovskite solar cells using polymeric hole‐transport material
JW Jo, MS Seo, M Park, JY Kim, JS Park, IK Han, H Ahn, JW Jung, ...
Advanced Functional Materials 26 (25), 4464-4471, 2016
Directed assembly of high molecular weight block copolymers: highly ordered line patterns of perpendicularly oriented lamellae with large periods
E Kim, H Ahn, S Park, H Lee, M Lee, S Lee, T Kim, EA Kwak, JH Lee, ...
ACS nano 7 (3), 1952-1960, 2013
ε‐Branched Flexible Side Chain Substituted Diketopyrrolopyrrole‐Containing Polymers Designed for High Hole and Electron Mobilities
AR Han, GK Dutta, J Lee, HR Lee, SM Lee, H Ahn, TJ Shin, JH Oh, ...
Advanced Functional Materials 25 (2), 247-254, 2015
High-resolution patterning of colloidal quantum dots via non-destructive, light-driven ligand crosslinking
J Yang, D Hahm, K Kim, S Rhee, M Lee, S Kim, JH Chang, HW Park, ...
Nature communications 11 (1), 2874, 2020
Nanoporous block copolymer membranes for ultrafiltration: a simple approach to size tunability
H Ahn, S Park, SW Kim, PJ Yoo, DY Ryu, TP Russell
ACS nano 8 (11), 11745-11752, 2014
Enhanced Performance of I2‐Free Solid‐State Dye‐Sensitized Solar Cells with Conductive Polymer up to 6.8%
J Kim, JK Koh, B Kim, SH Ahn, H Ahn, DY Ryu, JH Kim, E Kim
Advanced Functional Materials 21 (24), 4633-4639, 2011
Oriented grains with preferred low‐angle grain boundaries in halide perovskite films by pressure‐induced crystallization
W Kim, MS Jung, S Lee, YJ Choi, JK Kim, SU Chai, W Kim, DG Choi, ...
Advanced Energy Materials 8 (10), 1702369, 2018
High-performance and stable nonfullerene acceptor-based organic solar cells for indoor to outdoor light
S Park, H Ahn, J Kim, JB Park, J Kim, SH Im, HJ Son
ACS Energy Letters 5 (1), 170-179, 2019
Effect of sodium lauryl sulfate on recurrent aphthous stomatitis: a randomized controlled clinical trial
YJ Shim, JH Choi, HJ Ahn, JS Kwon
Oral Diseases 18 (7), 655-660, 2012
Highly efficient I2-free solid-state dye-sensitized solar cells fabricated with polymerized ionic liquid and graft copolymer-directed mesoporous film
WS Chi, JK Koh, SH Ahn, JS Shin, H Ahn, DY Ryu, JH Kim
Electrochemistry Communications 13 (12), 1349-1352, 2011
Cyclohexylammonium‐Based 2D/3D Perovskite Heterojunction with Funnel‐Like Energy Band Alignment for Efficient Solar Cells (23.91%)
S Jeong, S Seo, H Yang, H Park, S Shin, H Ahn, D Lee, JH Park, NG Park, ...
Advanced Energy Materials 11 (42), 2102236, 2021
Conjugated random copolymers consisting of pyridine-and thiophene-capped diketopyrrolopyrrole as Co-Electron accepting units to enhance both J SC and V OC of polymer solar cells
JW Lee, H Ahn, WH Jo
Macromolecules 48 (21), 7836-7842, 2015
Amphiphilic poly (vinyl chloride)-g-poly (oxyethylene methacrylate) graft polymer electrolytes: Interactions, nanostructures and applications to dye-sensitized solar cells
DK Roh, JT Park, SH Ahn, H Ahn, DY Ryu, JH Kim
Electrochimica Acta 55 (17), 4976-4981, 2010
Siloxane side chains: a universal tool for practical applications of organic field-effect transistors
AR Han, J Lee, HR Lee, J Lee, SH Kang, H Ahn, TJ Shin, JH Oh, C Yang
Macromolecules 49 (10), 3739-3748, 2016
Effect of Molecular Orientation of Donor Polymers on Charge Generation and Photovoltaic Properties in Bulk Heterojunction All‐Polymer Solar Cells
JW Jo, JW Jung, H Ahn, MJ Ko, AKY Jen, HJ Son
Advanced Energy Materials 7 (1), 1601365, 2017
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