Synthesis of colloidal semiconductor nanocrystals (quantum dots)
Microscopic understanding of surface chemistry in colloidal nanocrystals
Fabrication of nanocrystals based optoelectronic devices (photovoltaics, LED, FET)
Education
(Ph.D.) 2005 Chemistry, University of Michigan, Ann Arbor, MI, USA
(BS/MS) 1997 Chemistry, KAIST
Experience
2019-current Associate Professor, Department of Energy, SKKU
2013-current Editor, IJPEM-GT, Springer
2006-2018 Senior/Principal Researcher, Nanomechanical systems research division, KIMM
2012-2018 Professor, Department of Nanomechatronics, UST
2010-2011 Visiting Scholar (2010-2011) National Renewable Energy Lab., CO USA
2005-2006 Postdoctoral Research Associate (2005-2006) Los Alamos National Lab., NM USA
Journal Articles
(2024)
Surface-Originated Weak Confinement in Tetrahedral Indium Arsenide Quantum Dots.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY.
146,
15
(2024)
Exploring the Potential of Colloidal Quantum Dots for Near-Infrared to Short-Wavelength Infrared Applications.
ADVANCED ENERGY MATERIALS.
2,
5
(2024)
Off-State-Free and Stable InP/ZnSe/ZnS Quantum Dots Enabled by Effectively Suppressing the Leakage of Charge Carriers.
JOURNAL OF PHYSICAL CHEMISTRY C.
128,
8
(2023)
Semiconductor Nanocrystals: Unveiling the Chemistry behind Different Facets.
ACCOUNTS OF CHEMICAL RESEARCH.
56,
13
(2023)
Tailored Band Edge Positions by Fractional Ligand Replacement of Nonconductive Colloidal Quantum Dot Films.
JOURNAL OF PHYSICAL CHEMISTRY C.
5,
3
(2022)
Development of Group III−V Colloidal Quantum Dots for Optoelectronic Applications.
ACS ENERGY LETTERS.
2,
1
(2022)
Semiconductor clusters: Synthetic precursors for colloidal quantum dots.
Frontiers in Nanotechnology.
4,
1069178
(2022)
Unraveling the Role of Triiodides in Halide Precursors for Facile Anion Exchange in Lead Halide Perovskite Nanocrystals.
CHEMISTRY OF MATERIALS.
34,
14
(2022)
Charge-Selective, Narrow-Gap Indium Arsenide Quantum Dot Layer for Highly Stable and Efficient Organic Photovoltaics.
ADVANCED ENERGY MATERIALS.
12,
24
(2022)
Shape-Tuned Multiphoton-Emitting InP Nanotetrapods.
ADVANCED MATERIALS.
a,
a
(2021)
Purification of Colloidal Nanocrystals Along the Road to Highly Efficient Photovoltaic Devices.
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY.
8,
4
(2020)
Revisiting Effects of Ligand-Capped Nanocrystals in Perovskite Solar Cells.
ACS ENERGY LETTERS.
5,
4
(2020)
III-V colloidal nanocrystals: control of covalent surfaces.
CHEMICAL SCIENCE.
11,
4
Patent/Intellectual Property
양자점 박막의 제조 방법 및 태양 전지의 제조 방법(METHOD FOR FABRICATING QUANTUM DOT FILM AND METHOD FOR FABRICATING SOLAR CELL).
10-2048-8840000.
20191120.
KOREA, REPUBLIC OF
나노클러스터를 이용한 양자점의 제조 방법 및 양자점 박막의 제조 방법(METHOD FOR FABRICATING QUANTUM DOT USING NANOCLUSTER AND METHOD FOR FABRICATING QUANTUM DOT FILM).
10-1930-5230000.
20181212.
KOREA, REPUBLIC OF
나노클러스터를 이용한 양자점의 제조방법(METHOD FOR MANUFACTURING QUANTUM DOT USING NANOCLUSTER).
10-1768-9980000.
20170808.
KOREA, REPUBLIC OF
Conference Paper
(2023)
Unlocking the potential of short-wave Infrared absorbing InAs nanocrystals via synthesis.
EMLEM 22(Emerging Light Emitting Materials).
CYPRUS
(2022)
Indium Arsenide Colloidal Nanocrystals for Photovoltaics.
10th Sungkyun International Solar Forum(SISF 2022).
KOREA, REPUBLIC OF
(2022)
Directed Growth of Functional Semiconductor Nanocrystals Using Clusters.
GRC(Gordon Research Conference) 2022-Atomically Precise Nanochemistry.
UNITED STATES
(2022)
Seeded Approaches for Growth Control in III-V Nanocrystals.
Center for Integrated Nanotechnologies (CINT) 2022 Annual Meeting.
KOREA, REPUBLIC OF
(2022)
Advanced Materials for Next Generation Photovoltaics.
MCARE 2022 - Materials Challenges in Alternative and Renewable Energy 2022.
KOREA, REPUBLIC OF
(2022)
Technical Program Committee, EMD(Energy Materials and Devices) Chair.
ISPSA 2022(The 20th International Symposium on the Physics of Semiconductors and Applications).
KOREA, REPUBLIC OF
(2022)
Chemistry of III-V Colloidal Nanocrystals for Optoelectronic Applications.
2022 Gordon Research Conference(2022년 7월 개최)-Colloidal Semiconductor Nanocrystals.
SWITZERLAND
(2022)
InAs Nanoclusters, Quantum Dots and Optoelectronic Applications.
2022 MRS SPRING MEETING&EXHIBIT.
UNITED STATES
(2021)
Growth Control in III-V Colloidal Nanocrystals for Optoeletronic Applications.
MRS 2021 Fall Meeting.
UNITED STATES
(2021)
Growth Control in III-V Colloidal Nanocrystals for Efficient Optoelectronics.
2021 한국고분자학회 분자전자부문위원회 심층토론회.
KOREA, REPUBLIC OF
(2021)
Growth control in III-V colloidal nanocrystals.
Internet nanoGe Conference on Nanocrystals(iNCNC).
SPAIN
(2021)
표면 에너지 제어를 통한 친환경 양자소재 형상 제어 연구.
한국기계가공학회 2021년도 춘계학술대회.
KOREA, REPUBLIC OF
(2021)
Colloidal Quantum Dots for Photovoltaics.
ICC8(8th International Congress on Ceramics).
KOREA, REPUBLIC OF
(2021)
Energy-level tuned quantum dot solids for efficient optoelectronics.
제127회 대한화학회 학술발표회 및 총회.
KOREA, REPUBLIC OF
(2021)
Energy level tuned quantum dot solids for efficient photovoltaics.
한국물리학회 2021 KPS Spring Meeting.
KOREA, REPUBLIC OF
(2021)
Atomically tailored single-crystalline III-V tetrapods.
ACS Spring Meeting 2021.
UNITED STATES
(2020)
III-V QUANTUM DOT SOLIDS FOR EFFICIENT PHOTOVOLTAICS.
PVSEC-30 & GPVC 2020.
KOREA, REPUBLIC OF
(2019)
III-V Colloidal Nanocrystals for Optoelectronic Applications.
MRS 2019 Fall Meeting.
UNITED STATES
