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Postdoctoral Fellows

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조성운 (Sung Woon Cho)

  • 연구분야: Photonic sensor & synapse based on Oxide TFT
  • *Representative journal papers
    1. Sung Woon Cho, Young Been Kim, Sung Hyun Jung, Seung Ki Baek, Joo Sung Kim, Minkyung Lee, Hyung Koun Cho, and Yong-Hoon Kim, "All-solution-processed metal oxide/chalcogenide hybrid full-color phototransistors with multi-stacked functional layers and composition-gradient heterointerface", Advanced Optical Materials, 6(17)1800196 1-10 (2018)
    2. Sung Woon Cho, Da Eun Kim, Kyung Su Kim, Sung Hyun Jung, Hyung Koun Cho, "Towards environmentally stable solution-processed oxide thin-film transistors: rare-metal-free oxide-based semiconductor/ insulator heterostructure and chemically stable multi-stacking", Journal of Materials Chemistry C, 5(40), 10498-10508. DOI:10.1039/C7TC03393A (2017)
    3. Sung Woon Cho, Da Eun Kim, Won Jun Kang, Bora Kim, Dea Ho Yoon, Kyung Su Kim, Hyung Koun Cho, Yong-Hoon Kim and Yunseok Kim, "Chemical durability engineering of solution-processed oxide thin films and its application for chemically-robust patterned oxide thin-film transistors", Journal of Materials Chemistry C,5(2), 339-349 (2017)
    4. Sung Woon Cho, Young Been Kim, Da Eun Kim, Kyung Su Kim, Young Dae Yoon, Won Jun Kang, Woobin Lee, Hyung Koun Cho and Young Hun Kim, "The pH-dependent corrosion behavior of ternary oxide semiconductors and common metals and its application for solution-processed oxide thin film transistors circuit integration", Journal of Alloys and Compounds, 714, 572-582 (2017)
    5. Sung Woon Cho, Myoungho Jeong, Jun Hyeon Kim, Yong Hun Kwon, Hyoungsub Kim, Jeong Yong Lee and Hyung Koun Cho, "A combinatorial approach to solution-processed InGaO3(ZnO)m superlattice films Growth mechanisms and their thermoelectric properties", CrystEngComm, 18(5), 807-815 (2016)

    *Representative conference papers
    1. "Solution-processed ZTO/Al2O3 Heterostructure for Environmentally Stable Solution-processed Oxide Thin-film Transistors", Sung Woon Cho and Hyung Koun Cho, presented as an oral presentation in 2017 Fall Meeting of The Korean Ceramic Society, held at Republic of Korea on 13th October, 2017.
    2. "Pourbaix-diagram based Back-channel Wet-etch Process Design for Solution-processed Oxide Thin Film Transistors Circuit Integration", Sung Woon Cho and Hyung Koun Cho, presented as an oral presentation in 2017 Fall Meeting of The Korean Ceramic Society, held at Republic of Korea on 13th October, 2017.
    3. "Solution processed IZO thin-film transistors via enhanced hydrolysis and condensation", Sung Woon Cho and Hyung Koun Cho, presented as an oral presentation in 2015 The Korea Institute of Electrical and Electronic Material Engineers Annual Summer Conference, held at Republic of Korea on 24th June, 2015.

Ph. D. candidates

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조정완 (Jeong-Wan Jo)

  • 연구분야: Oxide TFTs & Flexible/Stretchable Electronics
  • *Representative journal papers
    1. J. W. Jo, K. H. Kim, J. Kim, S. G. Ban, Y. H. Kim, and S. K. Park, “High-Mobility and Hysteresis-Free Flexible Oxide Thin-Film Transistors and Circuits by Using Bilayer Sol-Gel Gate Dielectrics”, ACS Appl. Mater. Interfaces, 10, 2679-2687 (2018)
    2. Minuk Lee*, Jeong-Wan Jo*, Yoon-Jeong Kim*, Seungbeom Choi, Sung Min Kwon, Seong Pil Jeon, Antonio Facchetti, Yong-Hoon Kim, and Sung Kyu Park, "Corrugated Heterojunction Metal-Oxide Thin-Film Transistors with High Electron Mobility via Vertical Interface Manipulation", Adv. Mater. 1804120(2018)
    3. J. W. Jo, Y. H. Kim, J. Park, J. S. Heo, S. Hwang, W. J. Lee, M. H. Yoon, M. G. Kim, and S. K. Park, “Ultralow-Temperature Solution-Processed Aluminum Oxide Dielectrics via Local Structure Control of Nanoclusters”, ACS Appl. Mater. Interfaces, 9, 35114-35124 (2017)
    4. S. Park*, K.H. Kim*, J.W. Jo*, S. Sung, K.T. Kim, W.J. Lee, J. K. Kim, J. Kim, H. J. Kim, Y.Y. Noh, G.R. Yi, Y.H. Kim, M.H. Yoon, and S. K. Park, “In-Depth Studies on Rapid Photochemical Activation of Various Sol-Gel Metal Oxide Films for Flexible Transparent Electronics”, Advanced Functional Materials, 25, 2807-2815 (2015)
    5. J.W. Jo, J. K. Kim, K.-T. Kim, J.-G. Kang, M.-G. Kim, K.-H. Kim, H. Ko, Y.-H. Kim, and S. K. Park, “Highly stable and imperceptible electronics utilizing photo-activated heterogeneous sol-gel metal-oxide dielectrics and semiconductors”, Advanced Materials, 27, 1182 (2015)

    *Representative conference papers
    1. J. W. Jo, M. Lee, Y.-J. Kim, and S. K. Park, "High-Performance and Reliable Heterostructure Metal-Oxide Thin-Film-Transistors" International Meeting of Information Displays(IMID), Busan, Korea, 2018 (Oral)
    2. J. W. Jo, J. S. Heo, J. Kang, S. G. Ban, and S. K. Park, “Ultralow temperature solution processed gate dielectrics using molecular structured precursors and highly energetic photochemical process”, International Workshop On Active-Matrix Flatpanel Displays And Devices (AMFPD), Kyoto, Japan, Jul., 2017 (Oral)
    3. J. W. Jo, J. Kang, S. M. Kwon, and S. K. Park, “Rapid Formation of very low-temperature (<100˚C) processed high-performance solution-based Metal-Oxide Dielectrics via Novel Synthesis of Aluminum Nanocluster Precursors”, Materials Research Society (MRS Spring), Phoenix, Arizona, USA, Mar., 2016 (Oral)
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김재현 (Jaehyun Kim)

  • 연구분야: Photonic & Image sensors
  • *Representative journal papers
    1. J. Kim, J. Kim, S. Jo, J. Kang, J. W. Jo, M. Lee, J. Moon, L. Yang, M. G. Kim, Y. H. Kim, and S. K. Park, “Ultrahigh Detective Heterogeneous Photosensor Arrays with In-Pixel Signal Boosting Capability for Large-Area and Skin-Compatible Electronics”, Adv. Mater., 28, 3078-3086 (2016)
    2. J. Kim, J. Kim, K. T. Kim, Y. H. Kim, and S. K. Park, “Monolithic Integration and Design of Solution-Processed Metal-Oxide Circuitry in Organic Photosensor Arrays”, IEEE ELECTRON DEVICE LETTERS, 37, 5, 671-673 (2016)
    3. I. Hwang*, J. Kim*, M. Lee, M. W. Lee, H. J. Kim, H. I. Kwon, D. K. Hwang, M. Kim, H. Yoon, Y. ?H. Kim, and S. K. Park, “Wide-spectral/dynamic-range skin-compatible phototransistors enabled by floated heterojunction structures with surface functionalized SWCNTs and amorphous oxide semiconductors”, Nanoscale, 9, 16711-16721 (2017)
    4. C. H. Jo*, J. Kim*, J. I. Kim, M. S. Oh, M. S. Kang, M. G. Kim, Y.-H. Kim, B. K. Ju, and S. K. Park, “Low-temperature annealed PbS quantum dot films for scalable and flexible ambipolar thin-film-transistors and circuits”, J. Mater. Chem. C. 2, 10305 (2014)
    5. J. Kim, J.W. Lee, B. Yoo, J.-K. Lee, Y.-H. Kim, and S. K. Park, “Hydrophobic Perfluoropolymer Thin-Film Encapsulation for Enhanced Stability of Inverted Polymer Solar Cells” J. Kor. Phys. Soc. 65, 9, 1448-1452 (2014)

    *Representative conference papers
    1. J. Kim, J. Kang, and S. K. Park, “Dramatically Enhanced Photosensitivity of Quantum Dot Thin-Films Enabled by Surface Functionalization and Heterojunction Semiconducting Structures”, Materials Research Society (MRS fall), Boston, USA, Nov., 2017 (Oral)
    2. J. Kim, J. Kang, and S. K. Park, “High-performance flexible hybrid photosensor circuits made by low-temperature solution processed metal-oxide and organic TFTs”, Pacific Rim Meeting on Electrochemical and Solid-State Science (PRiME), Honolulu, HI, USA, Oct., 2016 (Oral)
    3. J. Kim, S. M. Kwon, S. K. Ban, and S. K. Park, “Design of Hybrid Photo Sensor Circuitry made by Solution-Processed Metal-Oxide and Organic TFTs”, International Meeting on Information Display (IMID), Jeju, Kor., Aug., 2016 (Oral, Best Paper Award Gold)
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강진구 (Jingu Kang)

  • 연구분야: Organic Electronics & Gas/Ion sensors
  • *Representative journal papers
    1. J. Kang, M. Lee, A. Facchetti, J Kim, and S. K. Park. “High-performance organic circuits based on precisely aligned single-crystal arrays” RSC Adv. 8, 17417 (2018)
    2. H.-L. Kang, J. Kang, J. K. Won, S.-M. Jung, J. Kim, C. H. Park, B.-K. Ju, M.-G. Kim, and S. K. Park. “Spatial Light Patterning of Full Color Quantum Dot Displays Enabled by Locally Controlled Surface Tailoring”Adv. Optical Mater. 2018, 1701335
    3. J. Kang, J. Kim, J.-W. Jo, J. S. Heo, M.-G. Kim, Y.-H. Kim, J. Kim, and S. K. Park. “Photochemical Molecular Tailoring for Efficient Diffusion and Reorganization of Organic Nanocrystals for Ultra-Flexible Organic Semiconductor Arrays” Small 2017, 13, 1602467
    4. J. Kim, J. Kim, S. Jo, J. Kang, J. W. Jo, M. Lee, J. Moon, L. Yang, M. G. Kim, Y. H. Kim, and S. K. Park, “Ultrahigh Detective Heterogeneous Photosensor Arrays with In-Pixel Signal Boosting Capability for Large-Area and Skin-Compatible Electronics”, Adv. Mater., 28, 3078-3086 (2016)
    5. J. K. Kim, M. G. Kim, S. Jo, J. Kang, J. Kim, J.-W. Jo, W. Lee, C. Hwang, J. Moon, L.Yang, Y. -H. Kim, Y.-Y. Noh, J. Y. Jaung, Y.-H. Kim, and S. K. Park “Scalable Sub-micron Patterning of Organic Materials Toward High Density Soft Electronics”, Scientific Reports, 5, 14520 (2015)

    *Representative conference papers
    1. J. Kang, T. S. Reddy, J. Kim, M.-S. Choi. and S. K. Park “Ultra-flexible organic photo-detector based on large-area crystalline semi-conducting film of dithiophenyl porphyrin” MRS Spring, Boston, USA, Nov., 2017 (Oral)
    2. J. Kang, J. Kim, J.-W. Jo, M.-G. Kim, J. Kim, and S. K. Park “Controllably aligned ultra-flexible and high-performance organic single-crustal arrays via surface mediated solvent vapor annealing for large area soft electronics” PRiME, Honolulu, USA, Oct., 2016 (Oral)
    3. J. Kang, J. Kim, S. Cho, J. Kim and S. K. Park. “Ultra-flexible self-assembled organic single crystal arrays with diverse arbitrary patterns” MRS Spring, San Fransisco, USA, Apr., 2015 (Oral)

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김경태 (Kyung-Tae Kim)

  • 연구분야: Oxide TFTs & Flexible/Stretchable Electronics
  • *Representative journal papers
    1. J.-W Jo, K.-T. Kim, A. Facchetti, M.-G Kim, and S. K. Park "High Quality Solution-Processed Metal-Oxide Gate Dielectrics Realized with a Photo-Activated Metal-Oxide Nanocluster Precursor" DOI 10.1109/LED.2870424, IEEE Electron Device Letters (2018)
    2. M. Lee, K.-T. Kim, M. Lee, S. K. Park, Y.-H. Kim, "A study on the persistent photoconductance and transient photo-response characteristics of photochemically activated and thermally annealed indium-gallium-zinc-oxide thin-film transistors" ,Thin Solid Films 660 749-753 (2018)
    3. J. S. Heo, K.-T. Kim, S.-G. Ban, Y.-J. Kim, D. Kim, T. Kim, Y. Hong, I.-S. Kim, and S. K. Park, "Stable Logic Operation of Fibre-based Single-Walled Carbon Nanotube Transistors Circuits Toward Thread-like CMOS Circuitry", materials, 11, 1878, (2018)
    4. S. G. Ban, K.-T. Kim, B. D. Choi, J. ?W. Jo, Y. H. Kim, A. Facchetti, M. G. Kim, and S. K. Park, “Low-Temperature Postfunctionalization of Highly Conductive Oxide Thin-Films toward Solution-Based Large-Scale Electronics”, ACS Appl. Mater. Interfaces, 9, 26191-26200 (2017)
    5. K.-T. Kim, J. K. Kim, Y. H. Kim, S. K. Park, “In-situ Metallic Oxide Capping for High Mobility Solution-Processed Metal-Oxide TFTs”, IEEE Electron Device. Lett, 35/8, 850 (2014)

    *Representative conference papers
    1. K. T. Kim, S. K. Park, Special session Youth and CEO of the meeting(Oral), The 5th International Workshop on Flexible & Printable Electronics (IWFPE), Core Riviera Hotel, Jeonju, Korea, Nov, 2013 (Oral-Best Presenter Award)
    2. K. T. Kim, J. Kim, Y. -H. Kim, S. K. Park, "High Mobility (>60 cm2/V-s) Solution-Processed Metal-Oxide TFTs and Circuits with Monolithically Patterned Metallic Oxide Capping Layer", International Meeting on Information Display (IMID) 2014, Daegu, Korea, Aug. 2014 (POSTER)
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권성민 (Sung Min Kwon)

  • 연구분야: Synapse & Advanced Memory Devices
  • *Representative journal papers
    1. S. M. Kwon, J. K. Won, J. W. Jo, J. Kim, H. J. Kim, H. I. Kwon, J. Kim, S. Ahn, Y. H. Kim, M. J. Lee, H. i. Lee, T. J. Marks, M. G. Kim, and S. K. Park, “High-performance and scalable metal-chalcogenide semiconductors and devices via chalco-gel routes”, Sci. Adv., 4:eaap9104 (2018)
    2. Minuk Lee, Jeong-Wan Jo, Yoon-Jeong Kim, Seungbeom Choi, Sung Min Kwon, Seong Pil Jeon, Antonio Facchetti, Yong-Hoon Kim, and Sung Kyu Park, "Corrugated Heterojunction Metal-Oxide Thin-Film Transistors with High Electron Mobility via Vertical Interface Manipulation", Adv. Mater. 1804120(2018)
    3. Myoung-Jae Lee, Gyeong-Su Park, David H. Seo, Sung Min Kwon, Hyeon-Jun Lee, June-Seo Kim, MinKyung Jung, Chun-Yeol You, Hyangsook Lee, Hee-Goo Kim, Su-Been Pang, Sunae Seo, Hyunsang Hwang, and Sung Kyu Park, "Reliable Multivalued Conductance States in TaOx Memristors through Oxygen Plasma-Assisted Electrode Deposition with in Situ-Biased Conductance State Transmission Electron Microscopy Analysis", ACS Appl. Mater. Interfaces 10, 29757-29765(2018)

    *Representative conference papers
    1. S. M. Kwon, Jae Sang Heo, Min-Uk Lee, Myung-Gil Kim, and Sung Kyu Park, "High-performance and large-area metal chalcogenide thin-film-transistors with chalco-gel precursors", International Meeting on Information Display (IMID), Kor., Aug., 2018(Oral)
    2. S. M. Kwon, S. M. Jung, and S. K. Park, “High-Mobility CdSe Thin-Film Transistors and Circuits by Sol-gel Method”, Society of Information Display (SID), LA,USA, May, 2017(Poster)
    3. S. M. Kwon, and S. K. Park, “High-mobility CdS Thin-Film Transistors by sol-gel method”, International Meeting on Information Display (IMID), Kor., Aug., 2015(Poster)
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이준호 (Jun Ho Lee)

  • 연구분야: Tactile (strain/pressure) & Physical Sensors
  • *Representative journal papers
    1. J. Lee, Y.-J. Yoon, J.-S. Heo, Y.-H. Kim, S. K. Park "Discrimination of Cross-Reactive Tactile Stimuli in a Monolithically Integrated Artificial Skin via Pattern Recognition of Edge-Detected Sensor Arrays" Submitted
    2. J. Eom, Y. R. Lee, J. Lee, S. K. Park, J. S. Park, and Y.-H. Kim, "Highly conductive and stretchable fiber interconnections using dry-spun carbon nanotube fibers modified with ionic liquid/poly(vinylidene fluoride) copolymer composite" accepted in press, Composite Science and Tech. (2018)
    3. J. Eom, J. S. Heo, M. Kim, J. Lee, S. K. Park, and Y. H. Kim, “Highly sensitive textile-based strain sensors using poly(3,4-ethylenedioxythiophene):polystyrene sulfonate/silver nanowire-coated nylon threads with poly-L-lysine surface modification”, RSC Adv., 7, 53373-53378 (2017)

    *Representative conference papers
    1. J. Lee, and S. K. Park, “Resistive Type 2D Mapping Positional Strain Sensor Array for Advanced Tactile Displays”, Society of Information Display (SID), LA,USA, May, 2018(Poster)
    2. J. S. Heo, I. Hwang, J. Lee, and S. K. Park, “Thread-like carbon nanotube-based fiber field-effect transistors and complementary circuits for high performance wearable e-textile devices”, Electronic Materials Conference (EMC), South bend, USA, Jun., 2017 (Oral)
    3. S. G. Ban, S. M. Jung, J. W. Jo, J. Kim, J. Lee, and S. K. Park, “Highly Conductive Metal Oxide Thin Films Using Low-Temperature Activated Catalytic Synthesis”, Electronic Materials Conference (EMC), South bend, USA, Jun., 2017 (Oral)

M.S. candidates

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김윤정 (Yoon-Jeong Kim)

  • 연구분야: Oxide TFTs & Sensors
  • *Representative journal papers
    1. J. Lee*, Y.-J. Kim*, J.-S. Heo*, Y.-H. Kim, S. K. Park "Discrimination of Cross-Reactive Tactile Stimuli in a Monolithically Integrated Artificial Skin via Pattern Recognition of Edge-Detected Sensor Arrays" Submitted (2018)
    2. M. Lee*, J.-W. Jo*, Y.-J. Kim*, S. Choi, S. M. Kwon, S. P. Jeon, A. Facchetti, Y.-H. Kim, and S. K. Park, "Corrugated Heterojunction Metal-Oxide Thin-Film Transistors with High Electron Mobility via Vertical Interface Manipulation", Adv. Mater. 1804120(2018)
    3. J. S. Heo, K.-T. Kim, S.-G. Ban, Y.-J. Kim, D. Kim, T. Kim, Y. Hong, I.-S. Kim, and S. K. Park, "Stable Logic Operation of Fibre-based Single-Walled Carbon Nanotube Transistors Circuits Toward Thread-like CMOS Circuitry", materials, 11, 1878, (2018)

    *Representative conference papers
    1. J. W. Jo, M. Lee, Y.-J. Kim, and S. K. Park, "High-Performance and Reliable Heterostructure Metal-Oxide Thin-Film-Transistors" International Meeting of Information Displays(IMID), Busan, Korea, 2018 (Oral)
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전성필 (Seoung-Pil Jeon)

  • 연구분야: Oxide TFTs & Displays
  • *Representative journal papers
    1. S. P. Jeon, J. S. Heo, J.-W. Jo, I.-S. Kim, M.-G. Kim, and S. K. Park, "Suppression of Interfacial Disorders in Low Temperature Solution-Processed Metal-Oxide Thin-Film-Transistors with Rare Earth Incorporation" submitted (2018)
    2. M. Lee*, J.-W. Jo*, Y.-J. Kim*, S. Choi, S. M. Kwon, S. P. Jeon, A. Facchetti, Y.-H. Kim, and S. K. Park, "Corrugated Heterojunction Metal-Oxide Thin-Film Transistors with High Electron Mobility via Vertical Interface Manipulation", Adv. Mater. 1804120(2018)
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신재철 (Jaecheol Shin)

  • 연구분야: Organic TFTs
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강승한 (Seounghan Kang)

  • 연구분야: Oxide TFTs
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이건우 (Keonwoo Lee)

  • 연구분야: Strain/Pressure Sensors
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장영우 (Young Woo Jang)

  • 연구분야: Organic & Oxide Electronics
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신승범 (Seung Beom Shin)

  • Materials Synthesis and Analysis

Undergraduate Students

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박찬용

  • Organic & Oxide Electronics

Staff

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