Education

 

Apr. 2012  The University of Michigan                                                                                                            Ann Arbor, MI, USA

                  Ph.D. in Macromolecular Science & Engineering / Electrical Engineering

                  Solid State Electronics Laboratory (SSEL)

                  Advisor: Professor L. Jay Guo

                  Thesis: Nanostructured Organic Solar Cells: Toward High Efficiency, Large Scale and Versatility

​

Feb. 2004  Seoul National University (SNU)                                                                                                             Seoul, Korea

                  Master of Science in Materials Science & Engineering

                  Nanomaterials for Eco-Friendly Energy Conversion Laboratory

                  Advisor: Professor Won Ho Jo

                  Thesis: Formation of Triblock Copolymer-like Supramolecules in Functionalized Polystyrene/Polyisoprene
                                Blends via Ionic Interactions                            

​

Feb. 2002  Seoul National University (SNU)                                                                                                            Seoul, Korea

                  Bachelor of Science in Materials Science & Engineering

                  Advisor: Professor Won Ho Jo / Graduated with honors

 

 

    Awards

 

• Ajou Publication Awards                                                                                                        Ajou University (2016, 2017, 2018)

• LTD Divisional Award (2 times)                                                                                                     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)

 

 

    Employment

 

• Sep. 2019 ~ Present        Hanyang University                                                                                                         Seoul, Korea

                                                Associate Professor, Department of Organic and Nano Engineering 

                                                                                     

• 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​

 

 

    Selected publications

​​

• 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 Manipulation of Electric Dipole Layer toward Efficient Charge Collection in Perovskite Solar Cells

      Advanced Functional Materials, 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)

​