Scholarworks@UNIST: Browsing Repository

A highly robust and stable graphene-encapsulated Cu-grid hybrid transparent electrode demonstrating superior performance in organic solar cells File

Jeong, Gyujeong , Jung, Seungon , Choi, Yunseong , Lee, Junghyun , Seo, Jihyung , Kim, Dong Suk , Park, Hyesung

Article Issue Date2018-12 View219

A vertically oriented two-dimensional Ruddlesden-Popper phase perovskite passivation layer for efficient and stable inverted perovskite solar cells File

Choi, Yunseong , Koo, Donghwan , Jeong, Gyujeong , Kim, Ungsoo , Kim, Hyungmin , Huang, Fuzhi , Park, Hyesung

Article Issue Date2022-08 View258

Catalytic Centers with Multiple Oxidation States: A Strategy for Breaking the Overpotential Ceiling from the Linear Scaling Relation in Oxygen Evolution File

Kim, Ungsoo , Mun, Jinhong , Koo, Donghwan , Seo, Jihyung , Choi, Yunseong , Lee, Geunsik , Park, Hyesung

Article Issue Date2022-10 View142

Crystal Facet and Electronic Structure Modulation of Perovskite Oxides for Water Oxidation File

Kim, Ungsoo , Lee, Sangjin , Koo, Donghwan , Choi, Yunseong , Kim, Hyungmin , Son, Eunbin , Baik, Jeong Min , Han, Young-Kyu , Park, Hyesung

Article Issue Date2023-02 View107

Defect-engineered MoSe2 for Hydrogen Evolution Reaction

Lee, Junghyun , Seo, Jihyunh , Kim, Changmin , Choi, Yunseong , Kim, Guntae , Park, Hyesung

Conference Paper Issue Date2017-08-20 View88

Defect-Induced in Situ Atomic Doping in Transition Metal Dichalcogenides via Liquid-Phase Synthesis toward Efficient Electrochemical Activity File

Lee, Junghyun , Heo, Jungwoo , Lim, Hyeong Yong , Seo, Jihyung , Kim, Youngwoo , Kim, Jihyun , Kim, Ungsoo , Choi, Yunseong , Kim, Su Hwan , Yoon, Yung Jin , et al

Article Issue Date2020-12 View170

Development of Annealing-Free, Solution-Processable Inverted Organic Solar Cells with N-Doped Graphene Electrodes using Zinc Oxide Nanoparticles File

Jung, Seungon , Lee, Junghyun , Seo, Jihyung , Kim, Ungsoo , Choi, Yunseong , Park, Hyesung

Article Issue Date2018-02 View200

Enhanced Charge Transport via Metallic 1T Phase Transition Metal Dichalcogenides-Mediated Hole Transport Layer Engineering for Perovskite Solar Cells File

Choi, Yunseong , Jung, Seungon , Oh, Nam Khen , Lee, Junghyun , Seo, Jihyung , Kim, Ungsoo , Koo, Donghwan , Park, Hyesung

Article Issue Date2019-08 View158

Flexible Organic Solar Cells Over 15% Efficiency with Polyimide-Integrated Graphene Electrodes File

Koo, Donghwan , Jung, Sungwoo , Seo, Jihyung , Jeong, Gyujeong , Choi, Yunseong , Lee, Junghyun , Lee, Sang Myeon , Cho, Yongjoon , Jeong, Mingyu , Lee, Jungho , et al

Article Issue Date2020-05 View156

Graphene-Assisted Zwitterionic Conjugated Polycyclic Molecular Interfacial Layer Enables Highly Efficient and Stable Inverted Perovskite Solar Cells File

Koo, Donghwan , Kim, Ungsoo , Cho, Yongjoon , Lee, Junghyun , Seo, Jihyung , Choi, Yunseong , Choi, Kyoung Jin , Baik, Jeong Min , Yang, Changduk , Park, Hyesung

Article Issue Date2021-07 View127

High-Performance Graphene-based Organic Solar Cells with High Yields

Jung, Seungon , Lee, Junghyun , Choi, Yunseong , Lee, Sang Myeon , Yang, Changduk , Park, Hyesung

Conference Paper Issue Date2017-08-30 View106

Highly Efficient Self-Encapsulated Flexible Semitransparent Perovskite Solar Cells via Bifacial Cation Exchange File

Jeong, Gyujeong , Koo, Donghwan , Woo, Jeong-Hyun , Choi, Yunseong , Son, Eunbin , Huang, Fuzhi , Kim, Ju-Young , Park, Hyesung

Article Issue Date2022-07 View157

Improved charge transport via WSe2-mediated hole transporting layer toward efficient organic solar cells File

Koo, Donghwan , Jung, Seungon , Oh, Nam Khen , Choi, Yunseong , Seo, Jihyung , Lee, Junghyun , Kim, Ungsoo , Park, Hyesung

Article Issue Date2018-12 View159

Improved interface control for high-performance graphene-based organic solar cells File

Jung, Seungon , Lee, Junghyun , Choi, Yunseong , Lee, Sang Myeon , Yang, Changduk , Park, Hyesung

Article Issue Date2017-12 View195

In Situ Phase Separation-Induced Self-Healing Catalyst for Efficient Direct Seawater Electrolysis File

Zhang, Yihan , Jeong, Seulgi , Son, Eunbin , Choi, Yunseong , Lee, Sangjin , Baik, Jeong Min , Park, Hyesung

Article Issue Date2024-06 View110

In-situ coalesced vacancies on MoSe2 mimicking noble metal: Unprecedented Tafel reaction in hydrogen evolution File

Lee, Junghyun , Kim, Changmin , Choi, Keunsu , Seo, Jihyung , Choi, Yunseong , Choi, Wooseon , Kim, Young-Min , Jeong, Hu Young , Lee, Jun Hee , Kim, Guntae , et al

Article Issue Date2019-09 View156

In-situ local phase-transitioned MoSe2 in La0.5Sr0.5CoO3-δ heterostructure and stable overall water electrolysis over 1000 hours File File

Oh, Nam Khen , Kim, Changmin , Lee, Junghyun , Kwon, Ohhun , Choi, Yunseong , Jung, Gwan Yeong , Lim, Hyeong Yong , Kwak, Sang Kyu , Kim, Guntae , Park, Hyesung

Article Issue Date2019-04 View175

Intergranular Diffusion-Assisted Liquid-Phase Chemical Vapor Deposition for Direct Synthesis of Patternable 2D Semiconductors in Wafer-Scale

Kim, Jiha , Seo, Jihyung , Lee, Junghyun , Koo, Donghwan , Jeong, Gyujeong , Choi, Yunseong , Son, Eunbin , Park, Hyesung

Conference Paper Issue Date2022-07-18 View90

Intergranular Diffusion-Assisted Liquid-Phase Chemical Vapor Deposition for Wafer-Scale Synthesis of Patternable 2D Semiconductors File

Seo, Jihyung , Kim, Jiha , Lee, Junghyun , Koo, Donghwan , Jeong, Gyujeong , Choi, Yunseong , Son, Eun bin , Park, Hyesung

Article Issue Date2022-10 View132

Intimate Contact with Perovskite Layer via Mesoporous Structured MoS2 Toward High-Performance Perovskite Solar Cells with Photostability

Koo, Donghwan , Kim, ungsoo , Choi, Yunseong , Park, Hyesung

Conference Paper Issue Date2022-07-18 View59

Kinetically Tailored Chemical Vapor Deposition Approach for Synthesizing High-Quality Large-Area Non-Layered 2D Materials File

Kim, Jiha , Son, Eunbin , Choi, Yunseong , Choi, Kyoung Jin , Baik, Jeong Min , Park, Hyesung

Article Issue Date2025-02 View127

Mesoporous structured MoS2 as an electron transport layer for efficient and stable perovskite solar cells File

Koo, Donghwan , Choi, Yunseong , Kim, Ungsoo , Kim, Jihyun , Seo, Jihyung , Son, Eunbin , Min, Hanul , Kang, Joohoon , Park, Hyesung

Article Issue Date2025-01 View109

Multifaceted Role of a Dibutylhydroxytoluene Processing Additive in Enhancing the Efficiency and Stability of Planar Perovskite Solar Cells File

Kumar, Sujit , Choi, Yunseong , Kang, So-Huei , Oh, Nam Khen , Lee, Junghyun , Seo, Jihyung , Jeong, Mingyu , Kwon, Hyoung Woo , Seok, Sang Il , Yang, Changduk , et al

Article Issue Date2019-10 View145

Multifaceted Role of Dibutylhydroxytoluene Processing Additive in Enhancing Efficiency and Stability of Planar Perovskite Solar Cells

Kumar, Sujit , Choi, Yunseong , Kang, So-Huei , Oh, Nam Khen , Lee, Junghyun , Seo, Jihyung , Jeong, Mingyu , Kwon, Hyoung Woo , Seok, Sang Il , Yang, Changduk , et al

Conference Paper Issue Date2020-02-14 View77

Nafion-Mediated Liquid-Phase Exfoliation of Transition Metal Dichalcogenides and Direct Application in Hydrogen Evolution Reaction File

Oh, Nam Khen , Lee, Hoon Ju , Choi, Keunsu , Seo, Jihyung , Kim, Ungsoo , Lee, Junghyun , Choi, Yunseong , Jung, Seungon , Lee, Jun Hee , Shin, Hyeon Suk , et al

Article Issue Date2018-07 View150

Origin of the performance degradation in graphene-based Schottky junction solar cells

Choi, Yunseong , Lee, Junghyun , Kim, Ungsoo , Park, Hyesung

Conference Paper Issue Date2016-10-07 View49

Scalable All-Vacuum-Processed Perovskite Solar Cells Enabled by Low Energy-Disorder Hole-Transport Layer File

Choi, Yunseong , Ma, Hayoung , Jung, Seungon , Jang, Yunjeong , Kim, Yujin , Kim, Jiha , Jeong, Mingyu , Lee, Seunglok , Yang, Sangjin , Hong, Keun Kee , et al

Article Issue Date2025-06 View78

Size Fractionation of Graphene Oxide via Solvent‐Mediated Consecutive Charge Manipulation and Investigation of the Size Effect as Hole Transporting Layer in Perovskite Solar Cells File

Kim, Ungsoo , Choi, Keunsu , Park, Kwang Hyun , Lee, Junghyun , Choi, Yunseong , Seo, Jihyung , Oh, Nam Khen , Jung, Seungon , Yang, Hyemi , Lee, Jun Hee , et al

Article Issue Date2019-06 View143

Stepwise Tailoring of Perovskite Nucleation Dynamics and Defect Formation Using a Supersaturation-Suppression Layer for Developing Efficient and Stable Perovskite Solar Cells File

Jeong, Gyujeong , Choi, Yunseong , Kim, Yujin , Jung, Seungon , Koo, Donghwan , Son, Eunbin , Jeong, Seulgi , Choi, Kyoung Jin , Park, Hyesung

Article Issue Date2024-03 View150

Strain engineering in vapor-deposited perovskites enables self-healing and stable solar cells File

Jung, Seungon , Choi, Yunseong , Kim, Yujin , Jang, Yunjeong , Jung, Hohyun , Jeon, Hansol , Kim, Jiha , Son, Eunbin , Jeong, Seulgi , Baik, Jeong Min , et al

Article Issue Date2025-12 View25

Strategy for large‐scale monolithic Perovskite/Silicon tandem solar cell: A review of recent progress File File

Kim, Chan Ul , Jung, Eui Dae , Noh, Young Wook , Seo, Seong Kuk , Choi, Yunseong , Park, Hyesung , Song, Myoung Hoon , Choi, Kyoung Jin

Article Issue Date2021-04 View184

Study of Cooling Rate on the Growth of Graphene via Chemical Vapor Deposition File

Seo, Jihyung , Lee, Junghyun , Jang, A-Rang , Choi, Yunseong , Kim, Ungsoo , Shin, Hyeon Suk , Park, Hyesung

Article Issue Date2017-05 View125

Suppressed Interdiffusion and Degradation in Flexible and Transparent Metal Electrode-Based Perovskite Solar Cells with a Graphene Interlayer File

Jeong, Gyujeong , Koo, Donghwan , Seo, Jihyung , Jung, Seungon , Choi, Yunseong , Lee, Junghyun , Park, Hyesung

Article Issue Date2020-05 View127

Suppressed Interdiffusion and Degradation in Flexible and Transparent Metal Electrode-Based Perovskite Solar Cells with a Graphene Interlayer

Jeong, Hyujeong , Jeong, Gyujeong , Koo, Donghwan , Jung, Seungon , Choi, Yunseong , Lee, Junghyun , Seo, Jihyung , Park, Hyesung

Conference Paper Issue Date2020-02-14 View77

The effect of the graphene integration process on the performance of graphene-based Schottky junction solar cells File

Choi, Yunseong , Lee, Junghyun , Seo, Jihyung , Jung, Seungon , Kim, Ungsoo , Park, Hyesung

Article Issue Date2017-09 View101

Toward All-Vacuum-Processable Perovskite Solar Cells with High Efficiency, Stability, and Scalability Enabled by Fluorinated Spiro-OMeTAD through Thermal Evaporation File

Choi, Yunseong , Koo, Donghwan , Jeong, Mingyu , Jeong, Gyujeong , Lee, Junghyun , Lee, Byongkyu , Choi, Kyoung Jin , Yang, Changduk , Park, Hyesung

Article Issue Date2021-09 View132

Vacuum Deposition Engineering toward Highly Efficient, Stable, and Scalable Perovskite Solar Cells File File

Choi, Yunseong

Thesis Issue Date2023-02 View135

Vacuum-Processed Vertically Oriented Two-dimensional Ruddlesden–Popper Phase Perovskite Passivation Layer for Efficient and Stable Inverted Perovskite Solar Cells

Choi, Yunseong , Koo, Donghwan , Jeong, Gyujeong , Kim, Ungsoo , Kim, Hyungmin , Park, Hyesung

Conference Paper Issue Date2022-07-18 View90

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