Low Power Consumed PV-Electrolysis for Hydrazine-Assisted Hydrogen Production with High Current Density

  • Hyogyun Roh, Hyuntae Choi, Jin-Soo Kim, Hyeyoung Shin, Taiho Park, and Kijung Yong* (Submitted)

Reversible switching performance of water droplet-driven triboelectric nanogenerators using a magnetocontrollable lubricant-infused surface for sustainable power generation

  • Soyeon Yun, Suhyeon Cho, Seunghyup Lee*, Kijung Yong* (Submitted)

Spatial separation of cocatalysts on Z-scheme organic/inorganic heterostructure hollow spheres for enhanced photocatalytic H2 evolution and in-depth analysis of the charge transfer mechanism

  • Hyun Sik Moon, Kai-Chi Hsiao, Ming-Chung Wu, Yongju Yun, Yung-Jung Hsu, and Kijung Yong*, Advanced Materials (accepted)

Co-anion exchange prepared 2D-nanosheet structure NiCoPS/NiFePS as efficient overall water splitting catalysts

  • Yongjae Jeung, Hyogyun Roh and Kijung Yong*, Applied Surface Science, 576, 151720 (2022) [link]


Triple-channel charge transfer mechanism for achieving broad-spectrum solar hydrogen production over W18O49/Au/g-C3N4 Z-scheme photocatalysts

  • Inju Hong, Yi-An Chen, Yung-Jung Hsu* and Kijung Yong*, ACS Applied Materials & Interfaces, 44, 52670–52680 (2021) [link]

Various Metal (Fe, Mo, V, Co)-doped Ni2P Nanowire Arrays as Overall Water Splitting Electrocatalysts and Their Applications in Unassisted Solar Hydrogen Production with STH 14%

  • Hyogyun Roh, Hyeonjung Jung, Hyuntae Choi, Jeong Woo Han, Taiho Park, Sangkuk Kim* and Kijung Yong*, Applied Catalysis B: Environmental, 297, 120434 (2021) [link]

MOF-Driven NiCoZnP Nanoclusters Anchored on Hierarchical N-doped Carbon Nanosheets Array as Bifunctional Electrocatalysts for Overall Water Splitting

  • Bin Chen, Dokyoung Kim, Zhuo Zhang, Minseok Lee, Kijung Yong*, Chemical Engineering Journal, 422, 130533 (2021) [link]

2D-structured V-doped Ni(Co,Fe) phosphides with enhanced charge transfer and reactive sites for highly efficient overall water splitting electrocatalysts

  • Yongjae Jeung, Hyeonjung Jung, Dokyoung Kim, Hyogyun Roh, Chaeeun Lim, Jeong Woo Han* and Kijung Yong*, Journal of Materials Chemistry A, 9, 12203-12213 (2021) [link]

Biomimetic Nanocoral Reef Electrocatalysts of 2D-Ni(Co,Fe)P/1D-WOx for Efficient Water Splitting

  • Dokyoung Kim, Yongjae Jeung, Hyogyun Roh, Chaeeun Lim, Kijung Yong*, Journal of Materials Chemistry A, 9, 10909-10920 (2021) [link]

Overcoming Limitations in Surface Geometry-Driven Bubble Transport: Bidirectional and Unrestricted Movement of an Underwater Gas Bubble Using a Magnetocontrollable (MC) Nonwetting Surface

  • Kiduk Han and Kijung Yong*, Advanced Functional Materials, 2101970 (2021) [link]

Yolk-shell nanostructures: synthesis, photocatalysis and interfacial charge dynamics

  • Yi-An Chen, Yu-Ting Wang, Hyun Sik Moon, Kijung Yong and Yung-Jung Hsu*, RSC Advances, 11, 12288-12305 (2021) [link]

Boron doping induced charge transfer switching of a C3N4/ZnO photocatalyst from Z-scheme to type II to enhance photocatalytic hydrogen production

  • Donghyung Kim and Kijung Yong*, Applied Catalysis B: Environmental, 282, 119538 (2021) [link]


Al2O3 blocking layer inserted ZrO2 MIM capacitor for the improved electrical and interfacial properties

  • Hongseon Song, Dokyoung Kim, Sangyeol Kang, Hyungsuk Jung, HanJin Lim, and Kijung Yong*, Thin Solid Films, 713(1), 138368 (2020) [link]

Selective Area Hydrophobic Modification of Inkjet Head Plate for Reducing Diagonal Ink Ejection and Non-ejection

  • Kiduk Han, Sanguk Son, Kijung Yong*, Journal of Manufacturing Processes, 58, 585-291 (2020) [link]

Noble-metal free photocatalytic hydrogen generation of CuPc/TiO2 nanoparticles under visible-light irradiation

  • Hyun Sik Moon and Kijung Yong*, Applied Surface Science, 15(530), 147215 (2020) [link]

Metal Hydroxide Hybridized Tungsten Carbide Nanorod Arrays for Enhancing Hydrogen Evolution in Alkaline Media

  • Dokyoung Kim and Kijung Yong*, Applied Surface Science, 15(509), 144912 (2020) [link]

Three-Dimensional Nanoporous Metal Structures from Poly(2-vinylpyridine)-block-Poly(4-vinylpyridine) Copolymer Thin Film

  • Jaeyong Lee, Avnish Kumar Mishra, Chungryong Choi, Dokyoung Kim, Eun Young Kim, Kijung Yong and Jin Kon Kim*, ACS Applied Materials & Interfaces, 12(13), 15667-15674 (2020) [link]

Impact dynamics on SLIPS: Effects of liquid droplet surface tension and viscosity

  • Seunghyeon Baek and Kijung Yong*, Applied Surface Science, 506, 144689 (2020) [link]

Underwater superoleophobicity of a superhydrophilic surface with unexpected drag reduction driven by electrochemical water splitting

  • Yongjae Jeung and Kijung Yong*, Chemical Engineering Journal, 381, 122734 (2020) [link]


NiMoFe and NiMoFeP as complementary electrocatalysts for efficient overall water splitting and their application 

  • Minki Baek, Guan-Woo Kim, Taiho Park, Kijung Yong*, Small 15, 1905501 (2019) [link]

Thorn-like TiO2 nanoarrays with broad spectrum antimicrobial activity through physical puncture and photocatalytic action

  • Eunju Kim, Mingi Choi, Hyeon Yeong Park, Ji Young Hwang, Hyung-Eun Kim, Seok Won Hong, Jaesang  Lee, Kijung Yong*, Wooyul Kim*, Scientific Reports, 9, 13697 (2019) [link]

A Biomimetic Nanoleaf Electrocatalyst for Robust Oxygen Evolution Reaction

  • Bin Chen, Zhuo Zhang, Sangkuk Kim, Minki Baek, Dokyoung Kim, and Kijung Yong*, Applied Catalysis B: Environmental, 259, 118017 (2019) [link]

Improvement of the Electrical and Interfacial Properties of TiN/ZrO2 by a Modulated Atomic Layer Deposition Process with Controlled O3 Dosing

  • Hongseon Song, Dokyoung Kim, Younsoo Kim, Hyungsuk Jung, HanJin Lim, Seunghyup Lee,* and Kijung Yong*, Thin Solid Films, 675, 153-159 (2019) [link]

Combinational Biomimicking of Lotus Leaf, Mussel, and Sandcastle Worm for Robust Superhydrophobic Surfaces with Biomedical Multifunctionality: Antithrombotic, Antibiofouling, and Tissue Closure Capabilities

  • Kiduk Han, Tae Yoon Park, Kijung Yong*, Hyung Joon Cha*, ACS applied materials & interfaces, 11 (10), 9777-9785 (2019) [link]

An autodriven, solar fuel collection for a highly compact, biomimetic-modified artificial leaf without membrane

  • Sangkuk Kim, Kiduk Han, Wuseok Kim, Sangmin Jeon, Kijung Yong*, Nano Energy, 58, 484-491 (2019) [link]

Growth of hierarchical gold clusters for use in superomniphobic electrodes

  • Sanghee Lee, Wuseok Kim, Changyong Yim, Kijung Yong, Sangmin Jeon*, RSC Advances, 9 (2), 761-765 (2019) [link]


Ostwald ripening driven exfoliation to ultrathin layered double hydroxides nanosheets for robust oxygen evolution reaction

  • Bin Chen , Zhuo Zhang , Sangkuk Kim , Seonggyu Lee , Jinwoo Lee , Wooyul Kim, and Kijung Yong* ACS applied materials & interfaces, 10 (51), 44518-44526 (2018) [link]

Synergistic doping effects of ZnO:N/BiVO4:Mo bunched nanorod array photoanode for enhancing charge transfer and carrier density in photoelectrochemical systems

  • Donghyung Kim, Zhuo Zhang, Kijung Yong*, Nanoscale, 10 (43), 20256-20265 (2018) [link]

Ni(OH)2-WP hybrid nanorod arrays for highly efficient and durable hydrogen evolution reactions in alkaline media

  • Dokyoung Kim, Jinkyu Park, Jinwoo Lee, Zhuo Zhang,* and Kijung Yong*, ChemSusChem, 11 (20), 3618-3624 (2018) [link]

Enhancing Charge Transfer and Photoconversion of a (Mn2+-Fe2O3)/RGO/(Fe3+-WO3) Photoelectrochemical Anode via Band-Structure Modulation 

  • Zhang, Zhuo; Zhang, Lunyong ; Chen, Bin ; Baek, Minki; Yong, Kijung*, ACS Sustainable Chemistry & Engineering, 6 (10), 13462-13472 (2018) [link]

Enhancing durability and photoelectrochemical performance of the earth abundant Ni-Mo catalyzed TiO₂/CdS/CIGS photocathode under various pH conditions

  • Minki Baek, Muhammad Zafar, Seongbeen Kim, Do-Heyoung Kim, Chan-Wook Jeon, Jinwoo Lee, Kijung Yong*, ChemSusChem, 11 (20), 3679-3688 (2018) [link]

Effect of liquid droplet’s surface tension on impact dynamics over hierarchical nanostructure surfaces

  • Baek, Seunghyeon, Moon, Hyun Sik, Kim, Wuseok, Jeon, Sangmin, Yong, Kijung*, Nanoscale, 10, 17842-17851 (2018) [link]

Switchable Ferroelectric Photovoltaic Effects in Epitaxial Thin Films of h-RFeO3 having Narrow Optical Band Gaps

  • Han, Hyeon; Kim, Donghoon; Chae, Sangmin; Park, Jucheol; Nam, Sang Yeol; Choi, Mingi; Yong, Kijung; Kim, Hyo Jung; Son, Junwoo; Jang, Hyun Myung*, Nanoscale, 10, 13261-13269 (2018) [link]

Developing a non-optical platform for impact dynamics analysis on nano-structured superhydrophobic surfaces using a quarts crystal microbalance

  • Seunghyeon Baek, Wuseok Kim, Sangmin Jeon* and Kijung Yong*, Sensors and Actuators B: Chemical, 262, 595-602 (2018) [link]

Multichannel Charge Transport of a BiVO4@(RGO+WO3)+W18O49 Three-Story Anode for Greatly Enhanced Photoelectrochemical Efficiency

  • Zhuo Zhang, Bin Chen, Minki Baek, and Kijung Yong*, ACS Applied Material Interfaces, 10(7), pp 6218–6227 (2018) [link]

CdS/CdSe co-sensitized brookite H:TiO⁠nanostructures: Charge carrier dynamics and photoelectrochemical hydrogen generation

  • Yung-Shan Chang⁠, Mingi Choi⁠, Minki Baek⁠, Ping-Yen Hsieh⁠, Kijung Yong⁠*, Yung-Jung Hsu*⁠, Applied Catalysis B: Environmental, 225, 379-385 (2018) [link]

Photoelectrochemical enhancement of ZnO/BiVO4/ZnFe2O4/rare earth oxide hetero-nanostructures

  • Xuefeng She, Zhuo Zhang, Minki Baek, and Kijung Yong*, Applied Surface Science, 429, 29-36 (2018) [link]

An Antenna/Spacer/Reflector Based Au/BiVO4/Au Nanopatterned Photoanode for Plasmon-Enhanced Photoelectrochemical Water Splitting

  • Bin Chen, Zhuo Zhang, Minki Baek, Sangkuk Kim, Wooyul Kim, and Kijung Yong*, Applied Catalysis B: Environmental, 237, 763-771 (2018) [link]

Oxygen Evolution Reaction on Ni-based Two-dimensional (2D) Titanate Nanosheets: Investigation on Effect of Fe Co-doping and Fe Incorporation from Electrolyte on the Activity

  • Rahul Ramesh, Seonggyu Lee, Seongbeen Kim, Jinkyu Park, Seunghyun Lee, Min Su Kim, Minki Baek, Kijung Yong, Youngjin Ye, and Jinwoo Lee*, ChemistrySelect, 3, 5130 – 5137 (2018) [link]

Au-coated honeycomb structure as an efficient TCO-free counter electrode for quantum-dot-sensitized solar cells

  • VD Dao, VT Bui, M Baek, TL Phan, K Yong, HS Choi*, Chemistry-A European Journal 24 (3), 561-566 (2018) [link]


A highly versatile and adaptable artificial leaf with floatability and planar compact design applicable in various natural environments

  • Sangkuk Kim, Taewan Kim, Seunghyup Lee, Seunghyeon Baek, Taiho Park and Kijung Yong*Advanced Materials 29(34) (2017) [link]


Environmentally benign synthesis of CuInS2/ZnO heteronanorods: visible light activated photocatalysis of organic pollutant/bacteria and study of its mechanism

  • Minki Baek, Eun-ju Kim, Seok Won Hong, Wooyul Kim* and Kijung Yong*Photochemical & Photobiological Sciences, 16, 1792-1800 (2017) [link]

Corrosion-assisted self-growth of Au-decorated ZnO corn silks and their photoelectrochemical enhancement

  • Zhuo Zhang, Mingi Choi, Minki Baek, Zexiang Deng and Kijung Yong*,  ACS Applied Materials & Interfaces 9(4), 3967-3976 (2017) [link]

Investigating the Unrevealed Photocatalytic Activity and Stability of Nanostructured Brookite TiO2 Film as an Environmental Photocatalyst

  • Mingi Choi, Jonghun Lim, Minki Baek, Wonyong Choi, Wooyul Kim, and Kijung Yong*ACS Applied Materials & Interfaces9 (19), 16252–16260 (2017) [link]

Simple but effective way to enhance photoelectrochemical solar-water-splitting performance of ZnO nanorod arrays: charge-trapping Zn(OH)annihilation and oxygen vacancy generation by Vacuum annealing

  • Minki Baek, Donghyung Kim and Kijung Yong*ACS Applied Materials & Interfaces 9(3), 2317-2325 (2017) [link]

Highly efficient UV-sensing properties of Sb-doped ZnO nanorod arrays synthesized by a facile, single-step hydrothermal reaction

  • Donghyung Kim, Wuseok Kim, Sangmin Jeon and Kijung Yong*, RSC Advances 7(64), 40539-40548 (2017) [link]

Dual dimensional nanostructures with highly durable non-wetting properties under dynamic and underwater conditions

  • Seunghyeon Baek, Wuseok Kim, Sangmin Jeon and Kijung Yong*, Nanoscale 9(20), 6665-6673 (2017) [link]


Design and roles of RGO-wrapping in charge transfer and surface passivation in photoelectrochemical enhancement of cascade-band photoanode

  • Zhuo Zhang, Mingi Choi, Minki Baek, Insung Hwang, Changshin Cho, Zexiang Deng, Jinwoo Lee and Kijung Yong*, Nano Research 7(10), 2415–2430 (2017) [link]

Elevated photoelectrochemical activity of FeVO4/ZnFe2O4/ZnO branch-structures via slag assisted-synthesis

  • Xuefeng SheZhuo ZhangMinki Baek and Kijung Yong*, RSC Advanceces 7, 16787-16794 (2017) [link]

An unconventional outer-to-inner synthesis strategy for core (Au)–shell nanostructures with photo-electrochemical enhancement

  • Zhuo Zhang, Minki Baek Hongseon Song and Kijung Yong*, Nanoscale 9, 5342-5351 (2017) [link]

Effects of oxygen plasma generated in magnetron sputtering of ruthenium oxide on pentacene thin film transistors

  • Taehyung Lee, Boram Lim, Kijung Yong, Woosung Kwon* and Minwoo Park*, Korean Journal of Chemical Engineering Sept. 34, 9, 2502–2506 (2017) [link]


Water droplet evaporation from sticky superhydrophobic surfaces

  • Moonchan Lee, Wuseok Kim, Sanghee Lee, Seunghyeon Baek, Kijung Yong, and Sangmin Jeon*Applied Physics Letters 111(2), 021603 (2017) [link]


Facile synthesis of carbon dot-Au nanoraspberries and their application as high-performance counter electrodes in quantum dot-sensitized solar cells

  • Van-Duong Dao, Poeun Kim, Seunghyeon Baek, Liudmila L. Larina, Kijung Yong, Ryong Ryoo, Seung Hyeon Ko* and Ho-Suk Choi*Carbon 96, 139-144 (2016) [link]

Recycling Rare-Earth Slag for Enhanced Photoelectrochemical Efficiency of a Reduced Graphene Oxide-Covered CdSe@ZnO Hetero-Nanostructured Photoanode

  • Xuefeng She, Zhuo Zhang, Minki Baek, Mingi Choi, Kijung Yong, Jingsong Wang and Qingguo Xue*ChemElectroChem 3(11), 1890-1898 (2016) [link]

Fabrication of ZnO/CdS, ZnO/CdO core/shell nanorod arrays and investigation of their ethanol gas sensing properties

  • Wooseok Kim, Minki Baek and Kijung Yong*Sensors and Actuators B: Chemical 223, 599-605 (2016) [link]

Novel CdS Hole-Blocking Layer for Photostable Perovskite Solar Cells

  • Insung Hwang and Kijung Yong*ACS Applied Materials and Interfaces 8(6), 4226-4232 (2016) [link]

Plasmonic and passivation effects of Au decorated RGO@CdSe nanofilm uplifted by CdSe@ZnO nanorods with photoelectrochemical enhancement

  • Zhuo Zhang, Mingi Choi, Minki Baek, Zexiang Deng and Kijung Yong*Nano Energy 21, 185-197 (2016) [link]


Bio-inspired dewetted surfaces based on SiC/Si interlocked structures for enhanced-underwater stability and regenerative-drag reduction capability

  • Junghan Lee, Zhuo Zhang, Seunghyeon Baek, Sangkuk Kim, Donghyung Kim and Kijung Yong*Scientific Reports 6 (2016) [link]

Novel Heterostructure of CdSe Nanobridge on ZnO Nanoros: Cd-Carboxyl-RGO-Assisted Synthesis and Enhanced Photoelectrochemical Efficiency

  • Zhuo Zhang, Mingi Choi, Minki Baek, and Kijung Yong*Advanced Materials Interfaces 3(12) (2016) [link]

Hydrogen-doped Brookite TiONanobullets Array as a Novel Photoanode for Efficient Solar Water Splitting

  • Mingi Choi, Juneho Lee, Younjeong Jang, Donghyung Kim, Jaesung Lee, Hyunmyung Jang and Kijung Yong*, Scientific Reports 6, 36099 (2016) [link]



Graphene-based nanohybrid materials as the counter electrode for highly efficient quantum-dot-sensitized solar cells

  • Van-Duong Dao, Youngwoo choi, Kijung Yong, Liudmila L. Larina, Ho-suk Choi*, Carbon, 84, 383 (2015) [link]

Core/Shell Structured TiO2/CdS Electrode to Enhance the Light Stability of Perovskite Solar Cells

  • Insung Hwang, Minki Baek, and Kijung Yong*, ACS Applied materials & Interfaces, 7 (50), 27863 (2015) [link]

Morphological optimization of large-area arrays of TiOnanowires & nanotubes for enhanced cold field emission: experiment and theory

  • Mingi Choi, Zhuo Zhang, Jingkun Chen, Zexiang Deng and Kijung Yong*RSC Advances 5 (25), 19470-19478 (2015) [link]

A facile synthesis of bimetallic AuPt nanoparticles as a new transparent counter electrode for quantum dot-sensitized solar cells

  • Van-Duong Dao, Youngwoo choi, Kijung Yong, Liudmila L. Larina, Oleg Shevaleevskiy, Ho-suk Choi*, Journal of Power Sources 274, 831-838 (2015) [link]

Photoelectrochemical hydrogen generation using C-dot/ZnO hierarchical nanostructure as an efficient photoanode

  • Heejin Kim, Woosung Kwon, Mingi Choi, Shi-Woo Rhee, and Kijung Yong*, Journal of the Electrochemical Society 162 (6), H366-H370 (2015) [link]

Generation of oxygen vacancies in ZnO nanorods/films and their effects on gas sensing properties

  • Wooseok Kim, Mingi choi, and Kijung Yong*, Sensors and Actuators B: Chemical 209, 989-996 (2015) [link]

Counter Electrodes for Quantum-Dot-Sensitized Solar Cells

  • Insung Hwang and Kijung Yong*ChemElectroChem 2 (5), 634-653 (2015) [link]

Thermal replacement reaction: a novel route for synthesizing eco-friendly ZnO@γ-In2Se3 hetero-nanostructures by replacing cadmium with indium and their photoelectrochemical and photocatalytic performances

  • Zhuo Zhang, Mingi Choi, Minki Baek and Kijung Yong*, Nanoscale 7 (19), 8748-8757 (2015) [link]

CH3CH2OH, CD3CD2OD, and CF3CH2OH decomposition on ZnO(1100)

  • Aaron Reinicker, James B. Miller, Wooseok Kim, Kijung Yong*Topics in Catalysis 58 (10-11), 613-622 (2015) [link]

In situ measurement of photostability of CdSe/CdS/ZnO nanowires photoelectrode for photoelectrochemical water splitting

  • Youngwoo Choi, Changyong Yim, Seunghyeon Baek, Mingi Choi, Sangmin Jeon, Kijung Yong*Sensors and Actuators B: Chemical, 221, 113-119 (2015) [link]

Enhancing stability of perovskite solar cells to moisture by the facile hydrophobic passivation

  • Insung Hwang, Inyoung Jeong, Jinwoo Lee, Min Jae Ko, and Kijung Yong*ACS applied materials & interfaces 7 (31), 17330-17336 (2015) [link]

ZnO Nanowire Based Photoelectrical Resistive Swtiches for Flexible Memory

  • Jinjoo park, Hongseon Song, Eun Kwang Lee, Joon Hak Oh, and Kijung Yong*Journal of The Electrochemical Society 162 (9), H713-H718 (2015) [link]

A two-storey structured photoanode of a 3D Cu2ZnSnS4/CdS/ZnO@ steel composite nanostructure for efficient photoelectrochemical hydrogen generation

  • Youngwoo Choi, Minki Baek, Zhuo Zhang, Van-Duong Dao, Ho-Suk Choi*, and Kijung Yong*Nanoscale 7 (37), 15291-15299 (2015) [link]

Combining the lotus leaf effect with artificial photosynthesis: regeneration of underwater superhydrophobicity of hierarchical ZnO/Si surfaces by solar water splitting

  • Junghan Lee and Kijung Yong*, NPG Asia Materials 7 (7), e201 (2015) [link]