• Best Teacher Award, Hanyang University (2022) 
  
• Ajou Publication Awards, Ajou University (2016, 2017, 2018)
• LTD Divisional Award, Intel Corporation (2013, 2014)
• Horace H. Rackham Predoctoral Fellowship, The University of Michigan (2011-2012): the highest honor graduate school bestows on Ph.D. candidates
• Charles G. Overberger Award, The University of Michigan (2010): in recognition of excellence in research for Ph.D.
• Horace H. Rackham International Student Fellowship, The University of Michigan (2009): awarded to outstanding international graduate students
• Macro/Rackham Block Grant Fellowship, The University of Michigan (2007-2008)
• Korea Government Overseas Study Fellowship, Korea Government (2007-2009): one of 30 awardees, nationally
• Outstanding Achievement Award: 2nd (2 times), CTO Division, LG Electronics (2004, 2005)
• Distinguished honor scholarship, Seoul National University (B.S.: 1998-2001, M.S.: 2002) 

Mar. 2023 ~ Present       Hanyang University, Seoul, Korea 

Head of the Department of Organic and Nano Engineering

Sep. 2019 ~ Present       Hanyang University, Seoul, Korea 

Associate Professor, Department of Organic and Nano Engineering

Sep. 2022 ~ Feb. 2023   The University of Michigan, Ann Arbor, MI, USA

Visiting Professor, Department of Electrical Engineering & Computer Science

Sep. 2015 ~ Aug. 2019   Ajou University, Suwon, Korea

Assistant / Associate Professor, Department of Electrical and Computer Engineering 

Sep. 2014 ~ Aug. 2019   Ajou University, Suwon, Korea

Assistant / Associate Professor, Department of Energy Systems Research  

Mar. 2012 ~ Feb. 2014    Intel Corporation, Portland, OR, USA

Senior Research Engineer (Full-Time Staff), Portland Technology Development

Oct. 2007 ~ Dec. 2011   The University of Michigan, Ann Arbor, MI, USA

Research Assistant, Department of Electrical Engineering & Computer Science

Mar. 2006 ~ Jul. 2007     Korea Institute of Science and Technology (KIST), Seoul, Korea

Research Scientist (Full-Time Staff), Hybrid Materials Research Center

Mar. 2004 ~ Mar.2006    LG Electronics, Inc., Seoul, Korea

Research Engineer (Full-Time Staff), Eco-Technology Group, CTO Division

Mar. 2002 ~ Feb. 2004   Seoul National University (SNU), Seoul, Korea

Research Assistant, Department of Materials Science & Engineering​

• Room-Temperature-Processable Highly Reliable Resistive Switching Memory with Reconfigurability for Neuromorphic Computing and Ultrasonic Tissue Classification

• Synergistic Effect of Excited State Property and Aggregation Characteristic of Organic Semiconductor on Efficient Hole-Transportation in Perovskite Device  

    Advanced Functional Materials, 31, 2007180 (2021)​​​ 

• Graded Heterojunction of Perovskite/Dopant-free Polymeric Hole-Transport Layer for Efficient and Stable Metal Halide Perovskite Devices

    Nano Energy, 78, 105159 (2020)​

• Unravelling Doping Capability of Conjugated Polymers for Strategic Manupulation of Electric Dipole Layer toward Efficient Charge Collection in Perovskite Solar Cells

    Advanced Functional Materials, 30, 2001560 (2020)

• Wide-Bandgap Perovskite/Gallium Arsenide Tandem Solar Cells

    Advanced Energy Materials, 10, 1903085 (2020)​​​ 

• Tailored Nanopatterning by Controlled Continuous Nanoinscribing with Tunable Shape, Depth, and Dimension

    ACS Nano, 13, 11194 (2019)​

• Bifacial Passivation of Organic Hole Transport Interlayer for NiOx-Based p-i-n Perovskite Solar Cells

    Advanced Science, 6, 1802163 (2019)

• Management of Transition Dipoles in Organic Hole-Transporting Materials under Solar Irradiation for Perovskite Solar Cells

    Nature Communications, 9, 4537 (2018)

• Direct Synthesis of Thickness-Tunable MoS2 Quantum Dot Thin Layers: Optical, Structural and Electrical Properties and Their Application to Hydrogen Evolution

    Nano Energy, 35, 101 (2017)

• Advanced Heterojunction Structures of Polymer Solar Cells Generating High Photocurrent with Internal Quantum Efficiency Approaching 100%

    Advanced Energy Materials, 3, 1135 (2013)​

• Optimization of Polymer Solar Cells with Bulk Heterojunction Layers Hundreds of Nanometers Thick: Modifying the Morphology and Cathode Interface

    Energy & Environmental Science, 6, 2203 (2013)

• Photonic Color Filters Incorporated with Organic Solar Cells for Energy Harvesting

    ACS Nano, 5, 7055 (2011)

• Continuous Patterning of Nanogratings by Nanochannel-Guided Lithography on Liquid Resists

    Advanced Materials, 23, 4444 (2011)

• Facile Route to Polymer Solar Cells with Optimum Morphology Readily Applicable to Roll-to-Roll Process without Sacrificing High Device Performances

    Advanced Materials, 22, E247 (2010)

• Efficiency Enhancement of Organic Solar Cells using Transparent Plasmonic Ag Nanowire Electrodes

    Advanced Materials, 22, 4378 (2010)

• Large Area High Density Sub-20 nm SiO2 Nanostructures Fabricated by Block Copolymer Template for Nanoimprint Lithography

    ACS Nano, 3, 2601 (2009)

• Giant Thermal Tunability of the Lamellar Spacing in Block-Copolymer-Like Supramolecules Formed from Binary-End-Functionalized Polymer Blends

    Advanced Materials, 18, 624 (2006)