Yongsung Ji, Byungjin Cho, Tae-Wook Kim, Sunghoon Song, Joon-Seop Kim, Byung-Sang Choi, and Takhee Lee,  “Unipolar bistable memory devices with PSSANa organic material”, GJ-NST 2009 (International conference of nanoscience and nanotechnology 2009), Mokpo Nat. Univ. Gwangju, Korea, Nov. 5-6, 2009.

Sangchul Lee, Gunho Jo, Minhyeok Choe, Woojin Park, Yung Ho Kahng, and Takhee Lee, “Patterned graphene films as conductive electrodes for pentacene thin film transistors”, GJ-NST 2009 (International conference of nanoscience and nanotechnology 2009), Mokpo Nat. Univ. Gwangju, Korea, Nov. 5-6, 2009.

Minhyeok Choe, Gunho Jo, Yumin Sim, June Park, Woojin Park, Sangchul Lee, Yung Ho Kahng, Maeng-Je Seong, and Takhee Lee, “Large ultrathin graphene film as transparent and conducting electrodes for poly(3-hexylthiophene):PCBM-based photovoltaic devices”, GJ-NST 2009 (International conference of nanoscience and nanotechnology 2009), Mokpo Nat. Univ. Gwangju, Korea, Nov. 5-6, 2009.  [Best Poster Award] 

Gunuk Wang, Tae-Wook Kim, Gunho Jo, Yonghoon Kim, Sunghoon Song, Byungjin Cho, and Takhee Lee, “Enhancement of Field Emission Transport by Molecular Tilt Configuration in Metal-Molecule-Metal Junctions”, GJ-NST 2009 (International conference of nanoscience and nanotechnology 2009), Mokpo Nat. Univ. Gwangju, Korea, Nov. 5-6, 2009.  [Best Poster Award] 

GunhoJo, Minhyeok Choe, Chu-Young Cho, Jin Ho Kim, Woojin Park, Woong-Ki Hong, Tae-Wook Kim, Sangchul Lee, Seong-Ju Park, Byung Hee Hong, Yung Ho Kahng, and Takhee Lee, “Synthesized High-Quality Graphene Films as Conductive Transparent Electrode and their application”, GJ-NST 2009 (International conference of nanoscience and nanotechnology 2009), Mokpo Nat. Univ. Gwangju, Korea, Nov. 5-6, 2009.

Takhee Lee, "Electronic Properties of Molecular Systems and Nanowire Systems", Department of Physics, POSTECH, Oct. 9, 2009.  [Department seminar] 

Takhee Lee, "Electronic Properties of Molecular Systems and Nanowire Systems", Kookmin University, Sept. 25, 2009.  [Department seminar]

Youngsang Kim, Hyunwook Song, Elke Scheer, Heejun Jeong, and Takhee Lee, "Vibrational spectra of metal-molecule-metal junctions in electromigrated nanogap electrodes by inelastic electron tunneling", Workshop on the Quantum Transport on the Molecular Scale, BCCM, University of Bremen, Germany, Sept. 14-18, 2009.

Woojin Park, Woong-Ki Hong, Gunho Jo, Gunuk Wang,Minhyeok Choe, Jongsun Maeng, Yung Ho Kahng, and Takhee Lee, " Tuning ofoperation mode of ZnO nanowire field effect transistors by solvent-driven surface treatment", 2009 Joint Symposium on the MSE for the 21st Century, Kyoto University, Japan, Sept. 6 - Sept 9, 2009  [Student oral presentation] 

Gunho Jo, Woong-Ki Hong, Jung Inn Sohn, Minseok Jo, Jiyong Shin, Mark E. Welland, Hyunsang Hwang, Kurt E. Geckeler, and Takhee Lee, "Logic Circuits from One-Dimensional Nanoscale Building Blocks with Adjustment of Operation Voltage", A3 Foresight Program Sub-10 nm Wires Summer School , Aug. 30 - Sept. 1, 2009. [Student oral presentation] 

Gunho Jo, Woong-Ki Hong, Jung Inn Sohn, Minseok Jo, Jiyong Shin, Mark E. Welland, Hyunsang Hwang, Kurt E. Geckeler, and Takhee Lee, "Hybrid Complementary Logic Circuits Based on One-Dimensional Semiconductor Nanomaterials", The 11th Nanowire Research Society Meeting & Nano Korea 2009 Satellite Session“ Nanowires for Nano Convergence”, KINTEX, Korea, August 28, 2009. [Student oral presentation] 

Woojin Park, Woong-Ki Hong, Gunho Jo, Jongsun Meang, Minhyeok Choe, and Takhee Lee, "Solvent-driven aging effect on the electrical and optical properties of ZnO nanowires", NANO KOREA 2009, KINTEX, Korea, Aug. 26-28, 2009.

Minhyeok Choe, Jongsun Maeng, Woong-Ki Hong, Gunho Jo, Woojin Park and Takhee Lee* “Memory characteristics of ZnO nanowire field effect transistor with organic dielectric layers embedded Cu2O nanoparticles”, NANO KOREA 2009, KINTEX, Korea, Aug. 26-28, 2009.

Gunho Jo, Woong-Ki Hong, Jung Inn Sohn, Minseok Jo, Jiyong Shin, Mark E. Welland, Hyunsang Hwang, Kurt E. Geckeler, and Takhee Lee, "Hybrid Complementary Logic Circuits Based on SWNT and ZnO Nanowire FETs", NANO KOREA 2009, KINTEX, Korea, Aug. 26-28, 2009. [Best Poster Award, 나노연구혁신상] 

Sunghoon Song, Tae-Wook Kim, Byungjin Cho, Yongsung Ji, and Takhee Lee, "Write Once Read Many (WORM)-Type Memory Devices Based on the composites of Poly(4-vinylphenol)/Vulcan XC-72", KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP), Jeju, Korea, Aug. 23-26, 2009.