Research Areas Semiconductors and Display Materials.

Research Interests Our research focus is on electronic materials such as quantum dots, semiconductor nanocrystals, organic semiconductors, and even electrolyte. We are interested in i) understanding physical properties of these materials including light emission/absorption characteristics, electrical/ionic transport characteristics, and electronic properties ii) developing processing methods for practical applications of these materials in semiconductor and display industry.

 High resolution patterning of quantum dots (QDs) – 양자점 초고해상도 패터닝 공정 개발
 Electrical transport characteristics of semiconductor nanocrystals – 나노반도체의 전기전도 특성 이해
 High resolution patterning of OLED materials – OLED 소재의 고해상도 패터닝 공정 개발
 QD-LEDs and OLEDs – 양자점 발광소자 및 유기 발광소자
 Electrochemistry and electrochemiluminescence 전기화학 및 전기화학발광
 UV-crosslinkable materials - UV 경화형 소재

Selected Publications  Direct Patterning of Colloidal Quantum Dots with Adaptable Dual-Ligand Surface - Nature Nanotechnology 2022
 Nondestructive Photopatterning of Heavy-Metal-Free Quantum Dots - Advanced Materials 2022
 Visco-Poroelastic Electrochemiluminescence Skin with Piezo-Ionic Effect - Advanced Materials 2021
 High-resolution Pattering of Colloidal Quantum Dots via Non-destructive, Light-driven Ligand Crosslinking - Nature Communications 2020
 Universal Three-Dimensional Crosslinker for All-Photopatterned Electronics - Nature Communications 2020
 Light-emitting Devices Based on Electrochemiluminescence Gels - Advanced Functional Materials 2020
 Universal Route to Impart Orthogonality to Polymer Semiconductors for Submicron Tandem Electronics - Advanced Materials 2019
 Electrically Controllable Molecularization of Terahertz Meta-Atoms - Advanced Materials 2018
 Lead-Free Perovskite Nanocrystals for Light-Emitting Devices – The Journal of Physical Chemistry Letters 2018
 Light-Emitting Devices Based on Electrochemiluminescence: Comparison to Traditional Light-Emitting Electrochemical Cells – ACS Photonics 2018

Professional Experience Associate/assistant professor, Soongsil University, Korea (2012-2018)
Postdoctoral researcher, Seoul National University, Korea (2011)