EDUCATION

2004−2011: Ph. D., Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea 

1998−2004: B. S., Materials Science and Engineering, Korea University, Seoul, Korea

PROFESSIONAL CARRIERS

2024−Current: Professor, Dept. Nano Engineering & SKKU Advanced Institute of Nano Technology, Sungkyunkwan University, Korea 

2023–2024: Center Head, Sejong Research Facilities Center, Sejong University, Korea 

2021–2024: Associate Provost, Office of Planning and Budgeting Affairs, Sejong University, Korea 

2020–2021: Associate Chair, Industry Academy Cooperation Foundation, Sejong University, Korea 

2017−2019: Department Chair, Dept. Nanotechnology and Advanced Materials Engineering, Sejong University, Korea

2012−2024: Assistant–Associate–Full Professor, Dept. Nanotechnology and Advanced Materials Engineering, Sejong University, Korea  

2011−2022: Postdoctoral Research Associate (JSPS Fellowship), Research Center for Integrated Quantum Electronics, Hokkaido University, Japan   

RESEARCH INTEREST

Advanced epitaxy of III-nitrides via MOCVD 

High power transistors based on AlGaN and BN 

Full-color, high-definition micro-LED displays for AR/XR applications 

3-dimensional monolithic hetero-integration

REPRESENTATIVE PUBLICATIONS

C. S. Chang et al. "Remote epitaxial interaction through graphene" Sci. Adv. 9(42), adj5379 (2023)

J. Choi et al. "Exceptional thermochemical stability of graphene on N-polar GaN for remote epitaxy" ACS Nano 17, 21678 (2023) 

X. Wang et al. "Unveiling Mechanism of Remote Epitaxy of Semiconductors on 2D Nanomaterials" Nano Converg. 10, 40 (2023)  

J.Shin et al. "Vertical full-colour micro-LEDs via 2D materials-based layer transfer" Nature 614, 81–87 (2023) 

H. Kim et al. "Remote epitaxy" Nat. Rev. Methods Primers 2, 40 (2022)

J. Jeong et al. "Transferable, flexible white light-emitting diodes of GaN p–n junction microcrystals fabricated by remote epitaxy" Nano Energy 86, 106075 (2021)

H. J. Kim et al. "Recyclable aqueous metal adsorbent: synthesis and Cu(II) sorption characteristics of ternary nanocomposites of Fe₃O₄ nanoparticles@graphene–poly-N-phenylglycine nanofibers" J. Hazard. Mater. 401, 123283 (2021)

J. Jeong et al. "Remote homoepitaxy of ZnO microrods across graphene layers" Nanoscale 10, 22970–22980 (2018)

Y. R. Park et al. "Graphene oxide-inserted poly(N-vinylcarbazole)/vanadium oxide hole transport heterojunctions for high-efficiency quantum-dot light-emitting diodes" Adv. Mater. Interfaces 4 (15), 1700476 (2017)

H. J. Kim et al. “Phytic Acid-Doped Polyaniline Nanofibers for Enhanced Aqueous Copper(II) Adsorption Capability" ACS Sustainable Chem. Eng. 5, 6654–6664 (2017)

Y. J. Hong et al. “Van der Waals Epitaxial Double Heterostructure: InAs/Single-Layer Graphene/InAs” Adv. Mater. 25 (47), 6847–6853 (2013)

Y. J. Hong et al. “van der Waals epitaxy of InAs Nanowires Vertically Aligned on Single-Layer Graphene” Nano Lett. 12 (3), 1431–1436 (2012)

Y. J. Hong et al. “Controlled van der Waals heteroepitaxy of InAs nanowires on carbon honeycomb lattices” ACS Nano 5 (9), 7576–7584 (2011)

Y. J. Hong et al. “Visible-color-tunable light-emitting diodes” Adv. Mater. 23 (29), 3284–3288 (2011)

Y. J. Hong et al. "Shape-Controlled Nanoarchitectures Using Nanowalls” Adv. Mater. 21 (2), 222–226 (2009)

Y. J. Hong et al. "Position-controlled selective growth of ZnO nanorods on Si substrates using facet-controlled GaN micropatterns” Adv. Mater. 19 (24), 4416–4419 (2007).