RECENT ACHIEVEMENTS

Nanoscale Thermocapillary Flows to Create Purely Semiconducting Arrays

NatureNanotechnology, 2013 (IF 31.2)

Development of novel TcEP(Thermocapillary flow enabled purification) process with scalability to resolve a long standing problem in carbon nanotube society

Thorough understanding on underlingmechanism of TcEP

Novel material proposal and itsapplication toward TcEP

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Electrostatic Dimension of Aligned-Array Carbon Nanotube Field-Effect Transistors

ACSNano, 2013 (IF 11.4)

Elucidation on surprising interplaybetween 3D electric fields and its 1D termination onto the nanotubes/nanowires, which can be affected by NT/NW density, bias voltage, gate overlap length

Accurate electrostatistics modeling of nanotubes(NTs)/nanowires(NWs), which enables to predict more accurate value of current on/off ratio, i.e, one of key performance matrixes

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Hysteresis Mechanism in Carbon Nanotube Field-Effect Transistors and Their Elimination

AdvancedFunctional Materials, 2013 (IF 10.17)

The origins of gate-inducedhysteresis in carbon nanotube field-effect transistors are explained

Techniques to eliminate thishysteresis with encapsulating layers of methylsiloxane and modified processes for nanotube growth are reported

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Transient Electronics with novel materials

Fully formed full swing SWNTs inverters via bootstrapping (APL 2014, highlighted in nanotech web. org)

Firstdemonstration for transient, disintegratable SWNTs circuits

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 EDUCATION

Ph.D. , Seoul National University, Korea (2006)
Electrical Engineering & Computer Science (2006)
Dissertation: Performance Improvement of Scaled-down Top-contact OTFTs by Two-Step Deposition of Pentacene

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M.S. , Seoul National University, Korea (2000)
Electrical Engineering & Computer Science

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B.S,  Kyungpook National University, Korea (1998)
Electrical Engineering

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 INDUSTRIAL AND ACADEMIC EXPERIENCES

Associate Professor (Aug. 2018 - )

Assistant Professor (Aug. 2014 - Aug. 2018)
Department of Electronic Engineering, Incheon National Univeristy

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BK Assistant Professor (Dec. 2013 - Aug. 2014)
Departmentof Electrical Engineering, Seoul National University

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Research:
TMDC (MoS2, WSe2) FETs
Transient gas sensors and circuits
Reconfigurable devices based onhybrid multiscale materials

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Postdoctoral research associate (Nov. 2009 - Oct. 2013)
Departmentof Materials Science and Engineering, University of Illinois at Urbana Champaign
Principal investigator: Prof. John A. Rogers

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Research:
Transient Electronics with CNTFETsand ZnOTFTs
Viscosity Effects on Thermocapillary flow and its modeling by using polystyrene
Using Nanoscale ThermocapillaryFlows to Create Purely Semiconducting Arrays of Single Walled Carbon Nanotubes
Hysteresis in Carbon Nanotube Field-Effect Transistors and Their Elimination Via Methylsiloxane Encapsulants and Optimized Growth Procedures

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Visiting Research Scholar (Aug. 2008 - Oct. 2008)

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Rensselaer Polytechnic Institute, Electrical, Computer, and Systems Engineering, Troy, NY
Principal  Investigator: Prof. Michael Shur

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Research:
a-Si:H TFT model development for temperature and photo effects
1/f  noise analysis for a-Si:H TFTs

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Senior Engineer (Mar. 2006 - Sep. 2009)
SamsungElectronics, LCD Business, Giheung, Korea

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Project manager:
Development of TFT Models andanalysis tools for oxide semiconductor TFTs
Samsung-RPI joint project forSamsung TFT Model Development
Development of TFT Model ParameterExtraction System
Development of SMART-TEG for Mass Production Line

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Project members as a graduate student (Feb. 1999 - Jun. 2005)
SeoulNational University, School of Electrical Engineering & Computer Science, Seoul Korea

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Project member:
Project with Samsung SDI ,“Preliminary research of OTFTs for Flexible AMOLED”
Project with Samsung SDI,“Development of triode-type CNT FEA structure”
Project with ETRI (Electronics andTelecommunication Research Institute), “Si-based one chip OLED”
Project with ETRI, “Preliminaryresearch for one-chip FED panel”
Project with ETRI, “Research onlow-voltage operating FED panel”

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Assistant Instructor of oxidation process (Aug. 2001 - Aug. 2003)
Inter-universitySemiconductor Research Center (ISRC), Seoul National University, Seoul Korea

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Teaching Assistant (Feb. 2001 - Mar. 2003)
Schoolof Electrical Engineering & Computer Science, Seoul National University, Seoul Korea
Semiconductorprocess and practice (graduate course)

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