Case Western Reserve University, Department of Macromolecule, 방문 연구원
(2015.05
~
2015.08)
University of Toronto, Electrical & Computer Engineering, 방문 연구원
(2014.10
~
2015.02)
University of Toronto, Electrical & Computer Engineering, 박사후연구원
(2015.02
~
2016.02)
울산과학기술원, 에너지 및 화학공학과, 연구조교수
(2016.03
~
2018.11)
한국광기술원, 광에너지연구센터, 선임연구원
(2018.12
~
2020.02)
경상대학교, 고분자공학과, 조교수
(2020.03
~
2021)
연구분야
Organic semiconductor-based optoelectronic devices (solar cells, light-emitting diodes, field effect transistor). · Development of new device architecture for improving device performance. · Fabrication of conventional- and inverted-type organic optoelectronic devices. · Characteristic of conductive polymer (PEDOT:PSS) for using buffer layer and electrode. · Device optimization of polymer solar cells using various treatments (thermal-, solvent-annealing, additives, etc). · Enhancement of the devices (solar cells, light-emitting diodes) performance by using dipole moment (conjugated polymer, ionic liquid, self-assembly mono layer). · Introduction of metal nanocomposites (surface plasma resonance from Ag, Au metal composite) into organic optoelectronic devices for performance improvement by additional light absorption and scattering effect.
Synthesis of quantum dots, perovskite and metal nanoparticle. · Synthesis of quantum dots (PbS, PbSe, CdS, CdSe, etc) using colloidal method. · Synthesis of quantum dots by using microfluidic method. · Synthesis of Perovskite Materials (ABX3) and perovskite QD · Synthesis of solution-processable metal oxide TiO2, ZnO, SnO2 etc. · Characteristics and analysis of synthesized QD and metal nanoparticle.
Quantum dot and perovskite optoelectronic devices.
· Fabrication of Quantum dot or perovskite schottky, heterojunction solar cells · Inverted quantum dot solar cells by using low temperature ZnO layer.\ · Fabrication of hybrid quantum dot –organic (PCBM) solar cells. · Enhancing performance of quantum dot by inserting ionic liquid moleculse. · Design of new high performance hybrid quantum-organic (BHJ) solar cells. · Fabrication of perovskite LED based on film and QD form · Non-toxic perovskite synthesis for PV and LEDs · Perovskite Q.D LEDs RGB