Optoelectronic devices (light-emitting diodes, photodetectors and photovoltaic devices) based on nanocrystal quantum dots
Nanocrystal quantum dot/Polymer hybrids
Synthesis & characterization of nanocrystal quantum dots
Nanocrystal quantum dot/Polymer hybrids
Synthesis & characterization of nanocrystal quantum dots
Education
(under supervision of Prof. Kookheon Char)
PhD School of Chemical & Biological Engineering, Seoul National University (2009)
MS School of Chemical & Biological Engineering, Seoul National University (2005)
BS School of Chemical & Biological Engineering, Seoul National University (2003)
MS School of Chemical & Biological Engineering, Seoul National University (2005)
BS School of Chemical & Biological Engineering, Seoul National University (2003)
Experience
Associate Professor at SKKU ( February 2018 - current)
Senior researcher (September 2013 - February 2018) Photoelectronic Hybrid Research Center, Korea Institute of Science and Technology, Korea
Postdoctoral researcher (December 2010 - August 2013) Chemistry Division, Los Alamos National Laboratory, US (Mentors: Victor I. Klimov& Jeffrey M. Pietryga)
Postdoctoral researcher (March 2009 - December 2010) School of Electrical Engineering & Computer Science, Seoul National University, Korea (Advisor: Prof. Changhee Lee)
Visiting researcher, July 2006 - August 2006, Institute for Organic Chemistry, Johannes Gutenberg University, Germany (Advisor: Prof. Rudolf Zentel)
- Senior researcher (September 2013 - February 2018) Photoelectronic Hybrid Research Center, Korea Institute of Science and Technology, Korea
- Postdoctoral researcher (December 2010 - August 2013) Chemistry Division, Los Alamos National Laboratory, US (Mentors: Victor I. Klimov& Jeffrey M. Pietryga)
- Postdoctoral researcher (March 2009 - December 2010) School of Electrical Engineering & Computer Science, Seoul National University, Korea (Advisor: Prof. Changhee Lee)
- Visiting researcher, July 2006 - August 2006, Institute for Organic Chemistry, Johannes Gutenberg University, Germany (Advisor: Prof. Rudolf Zentel)
(2024)
Impact of Alternating-Current Operation on All-Inorganic Quantum Dot Light-Emitting Diodes.
ACS APPLIED MATERIALS & INTERFACES.
16,
30
(2024)
Strain-graded quantum dots with spectrally pure, stable and polarized emission.
NATURE COMMUNICATIONS.
15,
5561
(2024)
Effect of the incorporation of gallium ions into silver indium sulfide nanocrystals.
CHEMICAL COMMUNICATIONS.
60,
44
(2024)
Efficient and stable InP quantum-dot light-emitting diodes formed by premixing 2-hydroxyethyl methacrylate into ZnMgO.
JOURNAL OF MATERIALS CHEMISTRY C.
12,
20
(2024)
Dual ligand exchange of Cd-free quantum dots and optimal control of ink formulation for improving the performance of all-inkjet-printed qunatum dot light-emitting diodes.
JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY.
32,
5
(2024)
Memristive Switching Mechanism in Colloidal InP/ZnSe/ZnS Quantum Dot-Based Synaptic Devices for Neuromorphic Computing.
NANO LETTERS.
24,
19
(2024)
Growth Control of InP/ZnSe Heterostructured Nanocrystals.
ADVANCED MATERIALS.
2312250,
2312250
(2023)
Optimum Design Configuration of Thin-Film Transistors and Quantum-Dot Light-Emitting Diodes for Active-Matrix Displays.
ADVANCED MATERIALS.
35,
48
(2023)
Coherent heteroepitaxial growth of I-III-VI<sub>2</sub> Ag(In,Ga)S<sub>2</sub> colloidal nanocrystals with near-unity quantum yield for use in luminescent solar concentrators.
NATURE COMMUNICATIONS.
14,
1
(2023)
High-Resolution Multicolor Patterning of InP Quantum Dot Films by Atomic Layer Deposition of ZnO.
ACS PHOTONICS.
10,
8
(2023)
Modified Zinc Magnesium Oxide for Optimal Charge-Injection Balance in InP Quantum Dot Light-Emitting Diodes.
ADVANCED OPTICAL MATERIALS.
11,
10
(2023)
Direct Assessment of Auger Recombination Rates of Charged Excitons via Opto-Electrical Measurements.
ACS PHOTONICS.
10,
5
(2023)
Realization of Highly Efficient InP Quantum Dot Light-Emitting Diodes through In-Depth Investigation of Exciton-Harvesting Layers.
ADVANCED OPTICAL MATERIALS.
11,
8
(2023)
Linearly polarized emission from CdSe/CdS core-in-rod nanostructures: Effects of core position.
JOURNAL OF CHEMICAL PHYSICS.
158,
13
(2023)
Polarized emission from unidirectionally oriented semiconductor nanorods in light-emitting devices.
APPLIED SURFACE SCIENCE.
614,
156160
(2023)
Randomly Disassembled Nanostructure for Wide Angle Light Extraction of Top-Emitting Quantum Dot Light-Emitting Diodes.
SMALL.
19,
20
(2023)
Excitation Intensity-Dependent Quantum Yield of Semiconductor Nanocrystals.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS.
14,
10
(2023)
Heteroepitaxial chemistry of zinc chalcogenides on InP nanocrystals for defect-free interfaces with atomic uniformity.
NATURE COMMUNICATIONS.
14,
1
(2022)
Impact of Morphological Inhomogeneity on Excitonic States in Highly Mismatched Alloy ZnSe1-XTeX Nanocrystals.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS.
13,
49
Honors / Awards
2017 공학한림원 100대기술및주역선정
2016 Merck Young Scientist Award
2009 Samsung Electronics The 15th HumanTech Thesis Prize (Silver Medal)
2008 Samsung Electro-Mechanics The 4th 1nside Edge International Thesis Competition (Gold Medal)