Changwook Seol†, Sang Hyun Lee†, Segeun Jang,and Sang Moon Kim*

"Design Rules for Capillary Force-Induced Clustering and Recovery of Monolithic Microbridges on Microapertured Polymer Membrane "

Langmuir , 2024,  DOI: 10.1021/acs.langkuir.4c00892

Sanghyeok Lee†, Taejun Sul†, Unsoo Kim, Sohee Kim, Ji Eon Chae, Junsoo Kim, Sang Moon Kim, and  Segeun Jang*

"Hydrocarbon-based Ionomer/PTFE-Reinforced Composite Membrane through Multibar Coating Technique for Durable Fuel Cells "

Advanced Materials Technologies , 2024, 2400669  DOI: 10.1002/admt.202400669

Je Hyeon Yeon†, Yeonghwan Jang†, Sanghyeok Lee, Sohee Kim, Mansoo Choi*, and  Segeun Jang*

"Synergistic effect of crystalline carbon nano-onions support and polydimethylsiloxane coating on fuel cell durability "

Journal of Power Source , 2024, 235388, DOI: 10.1016/j.jpowsour.2024.235388

Hanjoo Kim†, Dohoon Kim†, Jeongin Son,  Segeun Jang*, and Dong Young Chung*

"Mixed Potential Driven Self-Cleaning Strategy in Direct Isopropanol Fuel cell "

ACS Catalysis , 2024, 14, 8480-8487, DOI: 10.1021/acscatal.4c01939

Keonwoo Ko†, Dongsu Kim†,Bathinapatla Sravani, Yunjin Kim, Sanghyeok Lee, Taejun Sul,  Segeun Jang*, and Namgee Jung*

"Redesign of Anode Catalyst for Sustainable Survival of Fuel Cells "

Advanced Science , 2024, 2307073, DOI: 10.1002/advs.202307073

Minju Kim,†, Guogao Zhang†, Segeun Jang, Sanghyeok Lee,  Zhigang Suo*, and Sang Moon Kim*

"Fatigue-Resistant Polymer Electrolyte Membranes for Fuel Cells "

Advanced Materials , 2023, 2308288, DOI: 10.1002/adma.202308288

Junghyun Lee†, Haeun Lee†, Ji Hoon Kim, Tuyet Anh Pham,  Segeun Jang*, and Sang Moon Kim*

"Investigation of Optimized Spraying Process for Directly Coated Electrode in Polymer Electrolyte Membrane Fuel Cell "

Journal of Industrial and Engineering Chemistry , 2023, 2311041, DOI: 10.1002/jiec.202311041

Eunho Choi†, Hojin Kang†, Yeonghwan Jang, Ji Eon Chae, Ji Hoon Kim, Ho Seon Ahn, Sang Moon Kim*, and Segeun Jang*

"Construction of PTFE/Nafion Composite Membrane with Ultrathin  Graphene Oxide Layer for Durable Fuel Cells"

Advanced Materials Technologies , 2023, 2301191, DOI: 10.1002/admt.202301191

Minju Kim, Seguen Jang, Gahyun Lee, , Dong In Yu*, and Sang Moon Kim*

"Reusable and transparent impaction-based filter with micro apertured multiscale polymeric stencil for particulate matter capture"

Macromolecular Materials and Engineering , 2023, 2300285, DOI: 10.1002/mame.202300285

Seung Yeop Yi†, Eunho Choi†, Ho Yeon Jang†, Seonggyu Lee, Jinkyu Park, Daeeun Choi, Yeju Jang, Hojin Kang, Seoin Back*, Segeun Jang*, and Jinwoo Lee*

"Insight into Defect Engineering of Atomically Dispersed Iron Electrocatalysts for High-Performance Proton Exchange Membrane Fuel Cell"

Advanced Materials, 2023, 35, 2302666, DOI: 10.1002/adma.202302666

This research was highlighted in 전자신문, Insight Energy News, 아시아경제, Veritas-a, 네이트뉴스, 연합뉴스 등

Yujin Park, Joondong Kim, Ju-Hyung Yun, Segeun Jang*,and Sang Moon Kim*

"Oil-gated isoporous membrane with microapertures for controllable pressure-induced passive flow regulator†"

RSC Advances , 2023, 13, 20486, DOI: 10.1039/d3ra03017b

Dongsu Kim†, Yeonghwan Jang†, Eunho Choi, Ji Eon Chae, and Segeun Jang*

"Reinforced Nafion Membrane with Ultrathin MWCNTs/Ceria Layers for Durable Proton-Exchange Membrane Fuel Cells"

Membranes , 2022, 12, 1073, DOI: 10.3390/membranes12111073

Jiwoo Choi†, Dongsu Kim†, Ji Eon Chae†, Sanghyeok Lee, Sang Moon Kim, Sung Jong Yoo, Hyoung-Juhn Kim*, Mansoo Choi*, and Segeun Jang*

"Oxygen Plasma-mediated Microstructured Hydrocarbon Membrane for Improving Interface Adhesion and Mass Transport in Polymer Electrolyte Fuel Cells"

ACS Applied Materials & Interfaces , 2022, 14, 50956-50965, DOI: 10.1021/acsami.2c15122

Segeun Jang†, Yun Sik Kang†, Dohoon Kim, Subin Park, Changwook Seol, Sungchul Lee*, Sang Moon Kim,*, and Sung Jong Yoo*

"Multiscale Architectured Membranes, Electrodes, and Transport Layers for Next-generation Polymer Electrolyte Membrane Fuel Cells"

Advanced Materials , 2022, 35, 2204902, DOI: 10.1002/adma.202204902

Juwon Jeong†, JiwooChoi†, Segeun Jang, Heejong Shin, Sungjun Kim, Junghwan Jang, Hyun S. Park*, Mansoo Choi*, and Yung-Eun Sung*

"In situ fabrication of highly porous foam-like Zn nanostructures on gas diffusion layer for selective electrocatalytic reduction of carbon dioxide to carbon monoxide"

Journal of Industrial and Engineering Chemistry , 2022, 113, 325-331, DOI: 10.1016/j.jiec.2022.06.006

Yeonghwan Jang†, Changwook Seol†, Sang Moon Kim*, and Segeun Jang*

"Investigation of the correlation effects of catalyst loading and ionomer content in an anode electrode on the performance of polymer electrode membrane water electrolysis"

International Journal of Hydrogen Energy , 2022, 47, 18229-18239, DOI: 10.1016/j.ijhydene.2022.04.019

Eunho Choi†, Sang Moon Kim†, and Segeun Jang*

"Highly durable Membrane Electrode Assembly with MWCNTs/CeO2-Reinforced Nafion Composite Membrane by Spraying Method for Fuel Cell Applications"

Advanced Materials Technologies , 2022, 7, 210136, DOI: 10.1002/admt.202101360

Yun Sik Kang†, Segeun Jang†, Eunho Choi, Sunhee Jo, Sang Moon Kim*, and Sung Jong Yoo*

"Sandwich-Like Nafion Composite Membrane with Ultrathin Ceria Barriers for Durable Fuel Cells"

International Journal of Energy Research , 2021, 46, 6457-6470, DOI: 10.1002/er.7582

Minju Kim†, Jinwon Lee†, Junsoo Kim, Segeun Jang, and Sang Moon Kim*

"Design Rule for Constructing Buckling-free Polymeric Stencil With Microdot Apertures"

Polymers , 2021, 13, 4361, DOI: 10.3390/polym13244361

Tuyet Anh Pham†, Seunghoe Koo†, Hyunseok Park†, Quang Thien Luong, Oh Joong Kwon, Segeun Jang, Sang Moon Kim*, and Kyeongtae Kim*

"Investigation on microscopic/macroscopic mechanical properties of thermally annealed Nafion® membrane"

Polymers , 2021, 22, 4018, DOI: 10.3390/polym13224018

Je Hyeon Yeon†, Yeonghwan Jang†, Mansoo Choi, and Segeun Jang*

"Layer-by-layer polydimethylsiloxane modification using two-nozzle spray process for high durability of cathode catalyst in proton-exchange membrane fuel cells"

ACS Applied Materials & Interfaces , 2021, 13, 56014-56024, DOI: 10.1021/acsami.1c12616

Sungjun Kim†, Jiwoo Choi†, Yung-Eun Sung*, Mansoo Choi*, and Segeun Jang*

"Fabrication of an Ionomer-Free Electrode Containing Vertically Aligned One-Dimensional Nanostructures for Alkaline Membrane Fuel Cells"

Journal of The Electrochemical Society , 2021, 168, 114505, DOI: 10.1149/1945-7111/ac3595

Je Hyeon Yeon†, Jiwoo Choi, Segeun Jang*, Mansoo Choi*

"Hydrophilicity control of laser-induced amorphous carbon-encapsulated carbon nano-onions and their application to proton exchange membrane fuel cells under low humidity"

Carbon , 2021, 184, 910-922, DOI: 10.1016/j.carbon.2021.08.079[Journal Cover]

Le Vu Nam†, Eunho Choi†, Segeun Jang*, and Sang Moon Kim*

"Patterned mesoporous TiO2 microplates embedded in Nafion® membrane for high temperature/low relative humidity polymer electrolyte membrane fuel cell operation"

Renewable Energy , 2021, 180, 203-212, DOI: 10.1016/j.renene.2021.08.062

Tuyet Anh Pham†, Le Vu Nam†, Eunho Choi, Min-Su Lee, Tea-Sung Jun, Segeun Jang*, and Sang Moon Kim*

"Mechanically Stable Thinned Membrane for a High-Performance Polymer Electrolyte Membrane Fuel Cell via a Plasma-Etching and Annealing Process"

Energy & Fuels , 2021, 35, 11525-11532, DOI: 10.1021/acs.energyfuels.1c01225

Jinwon Lee, Changwook Seol, Joondong Kim, Segeun Jang*, and Sang Moon Kim*

"Optimizing Catalyst Loading Ratio between the Anode and Cathode for Ultralow Catalyst Usage in Polymer Electrolyte Membrane Fuel Cell"

Energy Technology , 2021, 9, 2100113, DOI: 10.1002/ente.202100113

Changwook Seol†, Segeun Jang†, Jinwon Lee, Le Vu Nam, Tuyet Anh Pham, Seunghoe Koo, Kyeongtae Kim, Jue-Hyuk Jang, Sang Moon Kim*, and Sung Jong Yoo*

"High-Performance Fuel Cells with a Plasma-Etched Polymer Electrolyte Membrane with Microhole Arrays"

ACS Sustainable Chemistry & Engineering , 2021, 9, 5884-5894, DOI: 10.1021/acssuschemeng.1c00059[Journal Cover]

Hongnyoung Yoo, Jaeyeon Kim, Obeen Kwon, Hyeok Kim, Geon Hwi Kim, Heesoo Choi, Hyeonjin Cha, Dasol Kim, Segeun Jang*, and Taehyun Park*

"Pre-bent Flow-field Plates for Enhanced Performance in Flexible Polymer Electrolyte Membrane Fuel Cells in Curved Shapes"

International journal of precision engineering and manufacturing-Green Technology , 2021, 8, 869-878, DOI: 10.1007/s40684-020-00305-4

Jiwoo Choi†, Je Hyeon Yeon†, Seung Ho Yook, Sungsoo Shin, Jin Young Kim, Mansoo Choi*, and Segeun Jang*

"Multifunctional Nafion/CeO2 Dendritic Structures for Enhanced Durability and Performance of Polymer Electrolyte Membrane Fuel Cells"

ACS Applied Materials & Interfaces , 2021, 13, 806-815, DOI: 10.1021/acsami.0c21176

Segeun Jang†, Yun Sik Kang, Jiwoo Choi, Je Hyeon Yeon, Changwook Seol, Le Vu Nam, Mansoo Choi, Sang Moon Kim*, and Sung Jong*

"Prism patterned TiO2 layers/Nafion® composite membrane for elevated temperature/low relative humidity fuel cell operation"

Journal of Industrial and Engineering Chemistry , 2020, 90, 327-332, DOI: 10.1016/j.jiec.2020.07.031

Jinwon Lee†, Changwook Seol†, Le Vu Nam, Segeun Jang, Junsoo Kim, In Kim, Yong-Sang Ryu,* and Sang Moon Kim*

"Investigation of Structural Stability for Monolithic Nano Bridges on Micro Apertures"

Applied science , 2020, 10, 2922, DOI: 10.3390/app10082922

Segeun Jang†, Min Her†, Sungjun Kim†, Jue-Hyuk Jang, Ji Eon Chae, Jiwoo Choi, Mansoo Choi, Sang Moon Kim, Hyoung-Juhn Kim, Yong-Hun Cho, Yung-Eun Sung*, and Sung Jong Yoo*

"Membrane/electrode interface design for effective water management in alkaline-membrane fuel cells"

ACS Applied Materials & Interfaces , 2019, 11, 34805-34811, DOI: 10.1021/acsami.9b08075

Segeun Jang†, Hyean-Yeol Park†, Jeawoo Jung, Jinwon Lee, Hee-Young Park, Jong Hyun Jang, Sang Moon Kim*, and Sung Jong Yoo*

"Enhanced water management of 3D graphene-Ni foam with patterned wettability in polymer electrolyte membrane fuel cell"

ACS Sustainable Chemistry & Engineering , 2019, 7, 15487-15494, DOI: 10.1021/acssuschemeng.9b03117

Dong Wook Lee†, Jue‐Hyuk Jang, Injoon Jang, Yun Sik Kang, Seguen Jang, Kwan Young Lee, Jong Hyun Jang, Hyung‐Juhn Kim, and Sung Jong Yoo*

"Bio‐Derived Co2P Nanoparticles Supported on Nitrogen‐Doped Carbon as Promising Oxygen Reduction Reaction Electrocatalyst for Anion Exchange Membrane Fuel Cells"

Small , 2019, 15, 1902090, DOI: 10.1002/smll.201902090

Segeun Jang†, Jiwoo Choi†, Minho Shin, Jehyeon Yeon, Sang Moon Kim*, and Mansoo Choi*

"Multiscale Hierarchical Patterning by Sacrificial Layer-Assisted Creep Lithography"

Advanced Materials Interface , 2019, 6, 1900606, DOI: 10.1002/admi.201900606

Segeun Jang†, Changwook Seol†,Yun Sik Kang†, Sang Moon Kim*, and Sung Jong Yoo*

"Investigation of the Effect of Carbon-Covering Layer on Catalyst Layer in Polymer Electrolyte Membrane Fuel Cell in Low Relative Humidity Condition"

Journal of Power Sources , 2019, 436, 226823, DOI: 10.1016/j.jpowsour.2019.226823

Min-cheol Kim†, Segeun Jang†, Jiwoo Choi, Seong Min Kang*, and Mansoo Choi*

"Moth-eye Structured Polydimethylsiloxane Films for High-Efficiency Perovskite Solar Cells"

Nano-Micro Letters , 2019, 11, 53, DOI: 10.1007/s40820-019-0284-y

Changwook Seol†, Segeun Jang†, Junsoo Kim, Tea-Sung Jun, and Sang Moon Kim*

"Fabrication and design of mechanically stable and free-standing polymeric membrane with two-level apertures"

Soft matter , 2018, 14, 9522-9527, DOI: 10.1039/c8sm01968a

Chi-Yeong Ahn†, Segeun Jang†, Yong-Hun Cho, Jiwoo Choi, Sungjun Kim, Sang Moon Kim*, Yung-Eun Sung*, and Mansoo Choi*

"Guided cracking of electrodes by stretching prism-patterned membrane electrode assemblies for high-performance fuel cells"

Scientific Reports , 2018, 8, 1257, DOI: 10.1038/s41598-018-19861-6

Yong Whan Choi†, Segeun Jang†, Myung-Suk Chun, Sang Moon Kim*, and Mansoo Choi*

"Efficient microfluidic power generator based on interaction between DI water and hydrophobic-channel surface"

International journal of precision engineering and manufacturing-Green Technology , 2018, 5, 255-260, DOI: 10.1007/s40684-018-0026-5

Segeun Jang†, Seong Min Kang*, and Mansoo Choi*

"Multifunctional Moth-eye TiO2/PDMS Pads with High Transmittance and UV Filtering"

ACS applied materials & interfaces , 2017, 9, 44038-44044, DOI: 10.1021/acsami.7b15502

Segeun Jang†, Sungjun Kim†, Sang Moon Kim, Jiwoo Choi, Jehyeon Yeon, Kijoon Bang,Chi-Yeong Ahn, Wonchan Hwang, Min Her, Yong-Hun Cho*, Yung-Eun Sung*, and Mansoo Choi*

"Interface engineering for high-performance direct methanol fuel cells using multiscale patterned membranes and guided metal cracked layers"

Nano Energy , 2017, 43, 149-158, DOI: 10.1016/j.nanoen.2017.11.011

This research was highlighted in 전자신문, Science news, 월간수소경제, 연합뉴스 등

Sungjun Kim†, Segeun Jang†, Sang Moon Kim†, Chi-Yeong Ahn, Wonchan Hwang, Yong-Hun Cho*, Yung-Eun Sung*, and Mansoo Choi*

"Reduction of methanol crossover by thin cracked metal barriers at the interface between membrane and electrode in direct methanol fuel cells"

Journal of power sources , 2017, 363, 153-160, DOI: 10.1016/j.jpowsour.2017.07.071

Taehyun Park†, Yun Sik Kang†, Segeun Jang†, Suk Won Cha*, Mansoo Choi*, and Sung Jong Yoo*

"A Rollable Ultra-Light Polymer Electrolyte Membrane Fuel Cell"

NPG Asia materials , 2017, 9, e384, DOI: 10.1038/am.2017.72

This research was highlighted in SBS news, 세계일보, 연합뉴스, 동아사이언스, 전자신문, 아주경제 등

Yun Sik Kang, Taehyun Park, Segeun Jang, Mansoo Choi, Sung Jong Yoo*, and Suk Won Cha*

"Repetitive Bending Test of Membrane Electrode Assembly for Bendable Polymer Electrolyte Membrane Fuel Cell"

Journal of Industrial and Engineering Chemistry , 2017, 47, 323-328, DOI: 10.1016/j.jiec.2016.11.048

Hong Nam Kim, Kyung-Jin Jang, Jung-Youn Shin, Daeshik Kang, Sang Moon Kim, Ilkyoo Koh, Yoonmi Hong, Segeun Jang, Min Sung Kim, Byung-Soo Kim, Hoon Eui Jeong, Noo Li Jeon, Pilnam Kim*, and Kahp-Yang Suh

"Artificial Slanted Nanocilia Array as a Mechanotransducer for Controlling Cell Polarity"

ACS Nano , 2017, 11, 730-741, DOI: 10.1021/acsnano.6b07134

Segeun Jang†, Jin Soo Kang†, Jong‐Kwon Lee, Sang Moon Kim, Yoon Jun Son, Ahyoun Lim, Hyesung Cho, Jin Kim, Juwon Jeong, Gunhee Lee, Yung‐Eun Sung*, and Mansoo Choi*

"Enhanced Light Harvesting in Mesoscopic Solar Cells by Multilevel Multiscale Patterned Photoelectrodes with Superpositioned Optical Properties"

Advanced Functional Materials , 2016, 26, 6584-6592, DOI: 10.1002/adfm.201601586[Journal Cover]

Segeun Jang†, Minhyoung Kim†, Yun Sik Kang, Yong Whan Choi, Sang Moon Kim, Yung-Eun Sung*, and Mansoo Choi*

"Facile Multiscale Patterning by Creep-Assisted Sequential Imprinting and Fuel Cell Application"

ACS applied materials & interfaces , 2016, 8, 11459-11465, DOI: 10.1021/acsami.6b01555

Seong Min Kang† ,Segeun Jang†, Jong‐Kwon Lee, Jungjin Yoon, Dong‐Eun Yoo, Jin‐Wook Lee, Mansoo Choi*, and Nam‐Gyu Park*

"Moth‐Eye TiO2 Layer for Improving Light Harvesting Efficiency in Perovskite Solar Cells"

Small , 2016, 12, 2443-2449, DOI: 10.1002/smll.201600428[Journal Cover]

Segeun Jang†, Jungjin Yoon†, Kyungyeon Ha, Min-cheol Kim, Dong Hoe Kim, Sang Moon Kim, Seong Min Kang, Sei Jin Park, Hyun Suk Jung*, and Mansoo Choi*

"Facile fabrication of three-dimensional TiO2 structures for highly efficient perovskite solar cells"

Nano Energy , 2016, 22, 499-506, DOI: 10.1016/j.nanoen.2016.02.050

Sang Moon Kim†, Yun Sik Kang†, Chiyeong Ahn, Segeun Jang, Minhyoung Kim, Yung-Eun Sung, Sung Jong Yoo*, and Mansoo Choi*

"Prism-patterned Nafion membrane for enhanced water transport in polymer electrolyte membrane fuel cell"

Journal of Power Sources , 2016, 317, 19-24, DOI: 10.1016/j.jpowsour.2016.03.083

Sang Moon Kim, Junsoo Kim, Seong Min Kang, Segeun Jang, Daeshik Kang, Seung Eon Moon, Hong Nam Kim, and Hyunsik Yoon*

"Directional Clustering of Slanted Nanopillars by Elastocapillarity"

Small , 2016, 12, 3764-3769, DOI: 10.1002/smll.201600730

Kyungyeon Ha, Eunseok Jang, Segeun Jang, Jong-Kwon Lee, Min Seok Jang, Hoseop Choi, Jun-Sik Cho*, and Mansoo Choi*

"A light-trapping strategy for nanocrystalline silicon thin-film solar cells using three-dimensionally assembled nanoparticle structures"

Nanotechnology , 2016, 317, 19-24, DOI: 10.1088/0957-4484/27/5/055403

Sang Moon Kim, Seong Min Kang, Chanseok Lee, Segeun Jang, Junsoo Kim, Hyein Seo, Won-Gyu Bae, Shu Yang*, and Hyunsik Yoon*

"Repeated shape recovery of clustered nanopillars by mechanical pulling"

Journal of Materials Chemistry C, 2016, 4, 9608-9612, DOI: 10.1039/c6tc02660e

Sang Moon Kim, Chi-Yeong Ahn, Yong-Hun Cho, Sungjun Kim, Wonchan Hwang, Segeun Jang, Sungsoo Shin, Gunhee Lee, Yung-Eun Sung*, and Mansoo Choi*

"High-performance Fuel Cell with Stretched Catalyst-Coated Membrane: One-step Formation of Cracked Electrode"

Advanced Materials, 2016, 27, 055403, DOI: 10.1038/srep26503

Hyesung Cho, Sang Moon Kim, Yun Sik Kang, Junsoo Kim, Segeun Jang, Minhyoung Kim, Hyunchul Park, Jung Won Bang, Soonmin Seo, Kahp-Yang Suh, Yung-Eun Sung*, and Mansoo Choi*

"Multiplex lithography for multilevel multiscale architectures and its application to polymer electrolyte membrane fuel cell"

Nature Communications , 2015, 6, 8484, DOI: 10.1038/ncomms9484