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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 View266

Alkali Metal-Mediated Interfacial Charge Redistribution Toward Near-Optimal Water Oxidation File

Kim, Ungsoo , Lee, Sang Jin , Oh, Nam Khen , Seo, Jihyung , Cha, Ji Hoo , Lee, Junghyun , Lee, Seong-hun , Shin, Tae Joo , Baik, Jeong Min , Han, Young-Kyu , et al

Article Issue Date2022-09 View341

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

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

Conference Paper Issue Date2019-03-28 View84

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 View147

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 View112

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 View178

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 View212

Dimensional control of graphene oxide via solvent-assisted selective self-sorting

Kim, Ungsoo , Park, Hyesung

Conference Paper Issue Date2016-10-06 View53

Engineering the Local Atomic Configuration in 2H TMDs for Efficient Electrocatalytic Hydrogen Evolution File

Son, Eunbin , Lee, Sangjin , Seo, Jihyung , Kim, Ungsoo , Kim, Sang Heon , Baik, Jeong Min , Han, Young-Kyu , Park, Hyesung

Article Issue Date2023-06 View169

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 View162

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 View130

Heterostructured Catalyst Close to Optimal Water Oxidation via Simultaneous in-situ Electronic Structure Engineering

Cha, Jihoo , Kim, Ungsoo , Seo, Jihyung , Park, Hyesung

Conference Paper Issue Date2022-07-18 View71

High-Performance Inverted Perovskite Solar Cells with Operational Stability via n-Type Small Molecule Additive-Assisted Defect Passivation File

Koo, Donghwan , Cho, Yongjoon , Kim, Ungsoo , Jeong, Gyujeong , Lee, Junghyun , Seo, Jihyung , Yang, Changduk , Park, Hyesung

Article Issue Date2020-12 View142

Highly efficient and robust noble-metal free bifunctional water electrolysis catalyst achieved via complementary charge transfer File File

Oh, Nam Khen , Seo, Jihyung , Lee, Sangjin , Kim, Hyung-Jin , Kim, Ungsoo , Lee, Junghyun , Han, Young-Kyu , Park, Hyesung

Article Issue Date2021-07 View148

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 View165

Low-temperature crystallization of LaFeO3 perovskite with inherent catalytically surface for the enhanced oxygen evolution reaction File

Kim, Hee Jun , Kim, Sang Heon , Kim, Sun-Woo , Kim, Jin-Kyeom , Cao, Chentian , Kim, Yongchul , Kim, Ungsoo , Lee, Geunsik , Choi, Jae-Young , Oh, Hyung-Suk , et al

Article Issue Date2023-01 View141

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 View119

Modulation of Oxygen Evolution Kinetics and Energetics via Incorporation of Low Oxidation State Transition Metal

Kim, Ungsoo , Koo, Donghwan , Seo, Jihyung , Park, Hyesung

Conference Paper Issue Date2022-07-18 View78

Nafion-assisted liquid phase exfoliation of MoS2 and its application in Hydrogen Evolution Reaction

Oh, Nam Khen , Lee, Hoonju , Kim, Ungsoo , Seo, Jihyung , Lee, Junghyun , Shin, Hyeon Suk , Park, Hyesung

Conference Paper Issue Date2017-10-11 View114

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 View161

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 View52

Phase Engineering of Transition Metal Dichalcogenides with Unprecedentedly High Phase Purity, Stability, and Scalability via Molten-Metal-Assisted Intercalation File

Park, Sanghyeon , Kim, Changmin , Park, Sung O. , Oh, Nam Khen , Kim, Ungsoo , Lee, Junghyun , Seo, Jihyung , Yang, Yejin , Lim, Hyeong Yong , Kwak, Sang Kyu , et al

Article Issue Date2020-08 View163

Rationally Designed Ternary NiCuFe LDH/Phosphide Hierarchical Architecture for Efficient Overall Water Splitting

Zhang, Yihan , Kim, Ungsoo , Cha, Jihoo , Park, Hyesung

Conference Paper Issue Date2022-07-18 View75

Size Fractionation and Functionalization of Graphene for Solar Cell Application File File

Kim, Ungsoo

Thesis Issue Date2019-02 View76

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 View148

Size-dependent antibiotic effect of graphene oxide

Kim, Ungsoo , Park, Kwang Hyun , Lee, Junghyun , Kim, Taewhan , Kwon, Heeyun , Mitchell, Robert J. , Yang, Changduk , Park, Hyesung

Conference Paper Issue Date2017-04-06 View86

Solution-Processed Molybdenum Oxide with Hydroxyl Radical-Induced Oxygen Vacancy as an Efficient and Stable Interfacial Layer for Organic Solar Cells File

Jung, Seungon , Lee, Junghyun , Kim, Ungsoo , Park, Hyesung

Article Issue Date2020-03 View139

Study of cooling rate on the growth of graphene via chemical vapor deposition

Seo, Jihyung , Lee, Junghyun , Choi, Yunseoung , Kim, Ungsoo , Shin, Hyeon Suk , Park, Hyesung

Conference Paper Issue Date2017-04-07 View95

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 View148

Superaerophobic/Superhydrophilic Multidimensional Electrode System for High-Current-Density Water Electrolysis File

Jeong, Seulgi , Kim, Ungsoo , Lee, Sangjin , Zhang, Yihan , Son, Eunbin , Choi, Kyoung Jin , Han, Young-Kyu , Baik, Jeong Min , Park, Hyesung

Article Issue Date2024-03 View144

Tailoring the Intrinsic Electronic Structure and Crystal Facet of Transition Metal-based Materials for Energy Conversion File

Kim, Ungsoo

Thesis Issue Date2023-08 View62

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 View104

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 View93

Zwitterion Functionalization of Graphene with pH Independent Dispersion Stability: Efficient Electron Mediator for Oxygen Evolution Reaction in Acidic Medium

Kim, Ungsoo , Cho, Yongjoon , Jeon, Dasom , Kim, Yongchul , Park, Sanghyeon , Seo, Jihyung , Lee, Junghyun , Nam Khen Oh , Lee, Geunsik , Ryu, Jungki , et al

Conference Paper Issue Date2020-02-14 View85

Zwitterionic Conjugated Surfactant Functionalization of Graphene with pH-Independent Dispersibility: An Efficient Electron Mediator for the Oxygen Evolution Reaction in Acidic Media File

Kim, Ungsoo , Cho, Yongjoon , Jeon, Dasom , Kim, Yongchul , Park, Sanghyeon , Seo, Jihyung , Lee, Junghyun , Oh, Nam Khen , Lee, Geunsik , Ryu, Jungki , et al

Article Issue Date2020-03 View179

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