Gi-Hwan Kim
Personal detail
Full name: Gi-Hwan Kim Nationality: Republic of Korea
Home address: 301ho, Eunjin villa, 7 gil, 11-7, Banggi-ri, Samnam-myun, Ulju-gun, Ulsan, Korea E-mail address: [email protected] or [email protected]
Tel: +82-52-217-2975 Fax: +82-52-217-2909 Mobile: +82-10-5115-1727
Educational Background
2009~2015, Department of energy engineering, Ulsan National Institute of Science and Technology (UNIST), master and doctor combined course (Major: organic and quantum dot optoelectronic device, research Advisor: Prof. Jin Young Kim)
2001~2009, Polymer engineering, Kumoh National Institute of Science and Technology (KIT), B.S.
Major Research Fields
Organic and Quantum Dot Electronics
-Synthesis of Quantum Dot (CdS, CdSe, PbS, PbSe et. al.) -Organic Solar Cell
-Quantum Dot Solar Cells
１０７ -Hybrid Organic-Quantum Dot Solar Cells
-OFET, OLED, QDLED, QDFET
Research Assistant
Characterized Solar cells, LED, FET properties.
Maintained and operated Atomic Force Microscope (AFM)
Maintained and operated X-ray and Ultra violet photoelectron spectroscopy (XPS and UPS) Maintained and operated Scanning electron microscope (SEM)
Maintained and operated Impedance spectroscopy measurement (ISM) Characterized materials with UV & IR spectroscopy
１０８ List of publication
1. Myoung Hee Yun, Gi-Hwan Kim, Changduk Yang*, Jin Young Kim*“Towards Optimization of P3HT:bisPCBM Composites for Highly Efficient Polymer Solar Cells”J. Mater. Chem. 20, 7710 (2010).
2. Ravi Kumar Cheedarala, Gi-Hwan Kim, Shinuk Cho, Junghoon Lee, Jonggi Kim, Hyun- Kon Song, Jin Young Kim, Changduk Yang*“Ladder-Type Heteroacene Polymers Bearing Carbazole and Thiophene Ring Units and Their Use in Field-Effect Transistors and Photovoltaic Cells”J. Mater. Chem. 21, 843 (2010).
3. Eunjaea Jeong1, Gi-Hwan Kim1, In Hwan Jung, Jin Young Kim*, Han Young Woo* "2,5- di(thiophen-2-yl)thiazolo[5,4-d]thiazole-Based Donor-Acceptor Type Copolymers for Photovoltaic Cells" Curr. Appl. Phys. 12, 11 (2012). (1 equally contributed as a first author)
4. Gi-Hwan Kim, Hyun-Kon Song*, Jin Young Kim* “The Effect of Introducing a Buffer Layer to Polymer Solar Cells on Cell Efficiency” Sol. Energ. Mat. Sol. C. 95, 1119 (2011).
5. Suhee Song, Gi-Hwan Kim, Ilsoo Kang, Youneup Jin, Il Kim, Jin Young Kim, Hongsuk Suh* "Synthesis and Photovoltaic Properties of Conjugated Copolymers Based on Benzimidazole and Various Thiophene" J. Polym. Sci., Part A: Polym. Chem.49, 3751 (2011).
6. Hyosung Choi, Ji Sun Park, Eunjae Jeong, Gi-Hwan Kim, Bo Ram Lee, Sang Ouk Kim, Myoung Hoon Song, Han Young Woo*, Jin Young Kim* "Combination of Titanium Oxide and a Conjugated Polyelectrolyte for High-Performance Inverted-Type Organic Optoelectronic Devices" Adv. Mater. 23, 2759 (2011).
7. Suhee Song, Ilsoo Kang, Gi-Hwan Kim, Youngeup Jin, Il Kim, Jin Young Kim, Hongsuk Suh* "Synthesis and photovoltaic properties of copolymers based on 2,2-(1,5- pentamethylene)-2H-benzimidazole" Synthetic Met. 162, 225 (2012).
8. Dong Wook Chang, Seo-Jin Ko, Gi-Hwan Kim, Seo-Yoon Bae, Jin Young Kim*, Liming Dai*, Jong-Beom Baek* "Molecular Engineering of Conjugated Polymers for Solar Cells and Field-Effect Transistors: Side-Chain Versus Main-Chain Electron Acceptors"J. Polym. Sci.
Poly. Chem. 50, 271 (2012).
１０９
9. Jonggi Kim, Myoung Hee Yun, Gi-Hwan Kim, Jin Young Kim*, and Changduk Yang*
"Replacing 2,1,3-benzothiadiazole with 2,1,3-naphthothiadiazole in PCDTBT: towards a low bandgap polymer with deep HOMO energy level" Polym. Chem. 3, 3276 (2012).
10. Shinuk Cho*, Jung Hwa Seo, Gi-Hwan Kim, Jin Young Kim*, Han Young Woo
"Observation of Ambipolar Field-effect Behavior in Donor-Acceptor Conjugated Copolymer"
J. Mater. Chem. 22, 21238 (2012).
11. Gi-Hwan Kim, Hak-Beom Kim, Bright Walker, Hyosung Choi, Changjin Yang, Jongnam Park*, and Jin Young Kim* "Effects of Ionic Liquid Molecules in Hybrid PbS Quantum Dot–Organic Solar Cells" ACS Appl. Mater. Inter. 5, 1757 (2013).
12. Wonho Lee1, Gi-Hwan Kim1, Eunjae Jeong, Xiaowei Wang, Seungjip Yum, Seo-Jin Ko, Sungu Hwang, Jin Young Kim*, Han Young Woo* "Dithieno[3,2-b:2',3'-d]pyrrole and Benzothiadiazole-Based Semicrystalline Copolymer for Photovoltaic Devices with Indene- C60 Bisadduct" Macromol. Chem. Phys. 214, 2083 (2013). (1 equally contributed as a first author)
13. Jun Liu, Gi-Hwan Kim, Yuhua Xue, Jin Young Kim, Jong-Beom Baek, Michael Durstock, and Liming Dai* "Graphene Oxide Nanoribbon as Hole Extraction Layer to Enhance Efficiency and Stability of Polymer Solar Cells" Adv. Mater. 26, 786 (2013).
14. Bright Walker, Gi-Hwan Kim, Jungwoo Heo, Gil jo Chae, Jongnam Park, Jung Hwa Seo and Jin Young Kim* "Solution-processed CdS transistors with high electron mobility" RSC Adv. 4, 3153 (2014).
15. Gi-Hwan Kim, Bright Walker, Hak-Beom Kim, Jin Young Kim, Edward H. Sargent*, Jongnam Park* and Jin Young Kim* "Inverted colloidal quantum dot solar cells" Adv. Mater.
26, 786 (2013).
16. Wonho Lee1,Gi-Hwan Kim1, Seo-Jin Ko, Seungjib Yum, Sungu Hwang, Shinuk Cho, Young-Han Shin, Jin Young Kim* and Han Young Woo "Semicrystalline D-A copolymers with different chain curvature for applications in polymer optoelectronic devices"
１１０
Macromolecules 47, 1604 (2014). (1 equally contributed as a first author)
17. Jonggi Kim, Myoung Hee Yun, Gi-Hwan Kim, Jungho Lee, Sang Myeon Lee, Seo-Jin Ko, Yiho Kim, Gitish K. Dutta, Mijin Moon, Song Yi Park, Dong Suk Kim, Jin Young Kim*, Changduk Yang* "Synthesis of PCDTBT-Based Fluorinated Polymers for High Open-Circuit Voltage in Organic Photovoltaics: Towards an Understanding of Relationships between Polymer Energy Levels Engineering and Ideal Morphology Control" ACS Appl. Mater. Inter.
(2014)
18. Hyosung Choi, Hak-Beom Kim, Seo-Jin Ko, Gi-Hwan Kim, and Jin Young Kim*"Vapor Coating Method Using Small-Molecule Organic Surface Modifiers to Replace N-Type Metal Oxide Layers in Inverted Polymer Solar Cells" ACS Appl. Mater. Inter. 9, 6504 (2014)
19. Hyosung Choi, Jaeki Jeong, Hak-Beom Kim, Seongbeom Kim, Bright Walker, Gi-Hwan Kim, and Jin Young Kim*" Cesium-doped methylammonium lead iodide perovskite light absorber for hybrid solar cells" Nano energy. 7, 80 (2014)
１１１ Conferences attended (International)
1. Gi-Hwan Kim, Hyun-Kon Song, and Jin young Kim “Influence of Various PEDOT:PSS on Polymer Solar Cells” International Conference on Science and Technology of Synthetic Metals (ICSM) 2010, July 4-9 kyoto, Japan
2. Hyosung Choi, Ji Sun Park, Eunjae Jeong, Gi-Hwan Kim, Bo Ram Lee, Sang Ouk Kim, Myoung Hoon Song, Han Young Woo*,Jin Young Kim* “Combination of Titanium Oxide- Conjugated Polyelectrolyte for High-Performance Inverted-Type Organic Optoelectronic Devices” Korean-Japan joint forum on international conference on organic materials for electronics and photonics” (KJF) 2011, Sep 16-18 Gyung Ju, Korea
3. Gi-Hwan Kim, Hak-Beom Kim, Bright Walker, Chang Jin Yang, Jongnam Park*, and Jin young Kim* “Effects of Ionic Liquid Molecules in Hybrid Quantum Dot-Organic Solar Cells”
International Conference on Science and Technology of Synthetic Metals (ICSM) 2012, July 8-14 Atlanta, USA
4. Gi-Hwan Kim, Bright Walker, Hak-Beom Kim, Jin Young Kim, Edward H. Sargent*, Jongnam Park*, and Jin young Kim* “Inverterd Quantum Dot Solar Cells” International Conference on Science and Technology of Synthetic Metals (ICSM) 2014, June 30 – July 5 Turku, Finland