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  • Assistant Professor
    Lab Organic Semiconductor Laboratory
  • +82-31-299-4175
  • Research Center 2 2F 83276

Research Interest

 Organic transistors and device physics (charge transport, trap, and injection) 
 Synthesis of functional polymers and chemically derived 2D materials 
 Low-temperature spectroscopic analysis of organic semiconductors 
 Thermoelectric application of highly doped organic semiconductors 
 Solution printing methods of organic materials and optimisation of film microstructures 
 Growth dynamics of vacuum-deposited small-molecular semiconductors 
 Transistor-based gas and light sensors 


  • 2010 – 2015 Ph.D. in Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH) (Advisor: Prof. Kilwon Cho)
  • 2006 – 2010 Dual B.S. in Chemical Engineering and Department of Mathematics, POSTECH


  • 2019 – present SKKU Advanced Institute of Nano Technology (SAINT) & Department of Nano Engineering, Sungkyunkwan University (SKKU)
  • 2018 – 2019 Academic Visitor, Cavendish Laboratory, University of Cambridge (Advisor: Prof. Henning Sirringhaus)
  • 2016 – 2019 Postdoctoral Research Associate, Center for Advanced Soft Electronics (CASE)
  • 2015 – 2016 Postdoctoral Research Associate, Polymer Research Institute, POSTECH

Journal Article

  • (2021)  Unidirectional Macroscopic Alignment of Chlorobenzo[c]-[1,2,5]thiadiazole-Based Semiconducting Copolymers with Controlled Regiochemistry.  ADVANCED ELECTRONIC MATERIALS.  7,  11
  • (2021)  Consideration of Azobenzene-Based Self-Assembled Monolayer Deposition Conditions for Maximizing Optoelectronic Switching Performances.  CHEMISTRY OF MATERIALS.  33,  15
  • (2021)  Metal-Organic Framework as a Functional Analyte Channel of Organic-Transistor-Based Air Pollution Sensors.  ACS APPLIED MATERIALS & INTERFACES.  13,  20
  • (2021)  Solutal-Marangoni-Flow-Mediated Growth of Patterned Highly Crystalline Organic Semiconductor Thin Film Via Gap-Controlled Bar Coating.  ADVANCED FUNCTIONAL MATERIALS.  31,  28
  • (2021)  Organic small-molecule heterointerface for use in transistor-type non-volatile memory.  ORGANIC ELECTRONICS.  93,  1
  • (2021)  pi-Extended Thiazole-Containing Polymer Semiconductor for Balanced Charge-Carrier Mobilities.  MACROMOLECULAR RAPID COMMUNICATIONS.  42,  9
  • (2021)  Structural influence of a dichalcogenopheno-1,3,4-chalcogenodiazole comonomer on the optoelectronic properties of diketopyrrolopyrrote-based conjugated polymers.  POLYMER CHEMISTRY.  12,  12
  • (2021)  Charge Trapping in a Low-Crystalline High-Mobility Conjugated Polymer and Its Effects on the Operational Stability of Organic Field-Effect Transistors.  ACS APPLIED MATERIALS & INTERFACES.  13,  14
  • (2020)  Anisotropy of Charge Transport in a Uniaxially Aligned Fused Electron-Deficient Polymer Processed by Solution Shear Coating.  ADVANCED MATERIALS.  32,  23
  • (2020)  Recent Advances in the Bias Stress Stability of Organic Transistors.  ADVANCED FUNCTIONAL MATERIALS.  30,  20
  • (2020)  Transparent and Colorless Polyimides Containing Multiple Trifluoromethyl Groups as Gate Insulators for Flexible Organic Transistors with Superior Electrical Stability.  ACS APPLIED MATERIALS & INTERFACES.  12,  16
  • (2020)  Aqueous-Alcohol-Processable High-Mobility Semiconducting Copolymers with Engineered Oligo(ethylene glycol) Side Chains.  CHEMISTRY OF MATERIALS.  32,  3
  • (2020)  Improved charge transport in fused-ring bridged hemi-isoindigo-based small molecules by incorporating a thiophene unit for solution-processed organic field-effect transistors.  JOURNAL OF MATERIALS CHEMISTRY C.  8,  4
  • (2019)  Motion -Programmed Bar-Coating Method with Controlled Gap for High-Speed Scalable Preparation of Highly Crystalline Organic Semiconductor Thin Films.  ACS APPLIED MATERIALS & INTERFACES.  11,  50
  • (2019)  Influence of Molecular Weight on the Solidification of a Semiconducting Polymer during Time-Controlled Spin-Coating.  JOURNAL OF PHYSICAL CHEMISTRY C.  123,  28
  • (2019)  Universal Route to Impart Orthogonality to Polymer Semiconductors for Sub-Micrometer Tandem Electronics.  ADVANCED MATERIALS.  31,  28
  • (2019)  Fused Heptacyclic-Based Acceptor-Donor-Acceptor Small Molecules: N-Substitution toward High-Performance Solution-Processable Field-Effect Transistors.  CHEMISTRY OF MATERIALS.  31,  6
  • (2019)  Electric-Field-Tunable Growth of Organic Semiconductor Crystals on Graphene.  NANO LETTERS.  19,  3
  • (2019)  Heat-Assisted Photoacidic Oxidation Method for Tailoring the Surface Chemistry of Polymer Dielectrics for Low-Power Organic Soft Electronics.  ADVANCED FUNCTIONAL MATERIALS.  29,  11