Minhyeok Choe, Byoung Hoon Lee, Gunho Jo, June Park, Woojin Park, Sangchul Lee, Woong-Ki Hong, Maeng-Je Seong, Yung Ho Kahng, Kwanghee Lee, and Takhee Lee, "Efficient bulk heterojunction photovoltaic cells with transparent multi-layer graphene electrodes", Organic Electronics, 11, 1864 (2010). [PDF] [Journal link]

*Selected as one of the hottest research of 2011 with the top 25 most downloaded articles in Organic Electronics

Youngsang Kim, Hyunwook Song, Dongwoo Kim, Takhee Lee, and Heejun Jeong, "Noise Characteristics of Charge Tunneling via Localized States in Metal-Molecule-Metal Junction", ACS-NANO, 4, 4426 (2010). [PDF] [Journal link]

Gunho Jo, Seok-In Na, Seung-Hwan Oh, Sangchul Lee, Tae-Soo Kim, Gunuk Wang, Minhyeok Choe, Woojin Park, Jongwon Yoon, Dong-Yu Kim, Yung Ho Kahng, and Takhee Lee, "Tuning of a graphene-electrode work function to enhance the efficiency of organic bulk heterojunction photovoltaic cells with an inverted structure", Appl. Phys. Lett. 97, 213301 (2010). [PDF] [Journal link]

Hyunwook Song, Youngsang Kim, Heejun Jeong, Mark A. Reed, and Takhee Lee, "Coherent Tunneling Transport in Molecular Junctions", J. Phy. Chem. C, 114, 20431 (2010). [PDF] [Journal link]

Tae-Wook Kim, Seung-Hwan Oh, Hyejung Choi, Gunuk Wang, Dong-Yu Kim, Hyunsang Hwang and Takhee Lee, "Effect of Ag nanoparticles on resistive switching of polyfluorene based organic non-volatile memory devices", J. Kor. Phys. Soc. 56, 128 (2010). [PDF] [Journal link]

Byungjin Cho, Tae-Wook Kim, Takhee Lee, "하이브리드 유기 저항 변화 메모리 (Integrated hybrid-type organic resistive memory)", 물리학과 첨단기술, 2010년 7/8월호, pp. 33-37. (In Korean). [PDF]

Woong-Ki Hong, Gunho Jo, Minhyeok Choe, Woojin Park, Jongwon Yoon, Takhee Lee, "Tuning of the electronic characteristics of ZnO nanowire transistors and their logic device application", Proceeding of SPIE 2010, Vol. 7768, pp. 77680J-1 to 77680J-14 [PDF]  [Link]

Hyunwook Song, Youngsang Kim, Yun Hee Jang, Heejun Jeong, Mark A. Reed, and Takhee Lee, "Observation of Molecular Orbital Gating", Nature, Vol. 462, page 1039-1043, (2009). (Issue of December 24, 2009). [PDF] [Journal link]

*It was featured with News and Views (Vol. 462, page 994-995). [PDF] 

*Research highlight in Nature Nanotechnology [Link] ·

*A news article in Chemistry World [Link]

*A news article in Wired [Link]  

*Introduced at NanoWeekly, No. 337 (2010.1.8)  [PDF]

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 of One-Dimensional Nanomaterials with Adjustment of Operation Voltage”, Advanced Materials, Volume 21 Issue 21, Pages 2156 - 2160 (2009). [PDF] [Journal link]

*It appeared as Front COVER picture article. [Cover picture PDF] 

*Introduced at NanoWeekly, No. 316 (2009.6.12)  [PDF]

Tae-Wook Kim, Hyejung Choi, Seung-Hwan Oh, Gunuk Wang, Dong-Yu Kim, Hyunsang Hwang, and Takhee Lee, "One Transistor–One Resistor Devices for Polymer Non-Volatile Memory Applications", Advanced Materials, Volume 21 Issue 24, Pages 2497 - 2500 (2009). [PDF] [Journal link]

*It appeared as Inside COVER picture article. [Cover picture PDF]

*Broadcasted on KBS 1 TV, News (6/25/2009).

*Broadcasted on KBS 2 TV, News (6/24/2009). 

*Introduced at NanoWeekly, No. 318 (2009.6.26)  [PDF]

Gunuk Wang, Tae-Wook Kim, Gunho Jo, and Takhee Lee, "Enhancement of field emission transport by molecular tilt configuration in metal-molecule-metal junction", J. Am. Chem. Soc. 131, 5980-5985 (2009). [PDF] [journal link]  

*Introduced at NanoWeekly, No. 311 (2009.4.17)  [PDF]

Woong-Ki Hong, Gunho Jo, Minhyeok Choe, Takhee Lee, Jung Inn Sohn, Mark E. Welland, "Influence of surface structure on the phonon-assisted emission process in the ZnO nanowires grown on homoepitaxial ZnO films", Appl. Phys. Lett. 94, 043103 (2009). [PDF] [Journal link]

Tae-Wook Kim, Hyejung Choi, Seong-Whan Oh, Minseok Jo, Gunuk Wang, Byungjin Cho, Dong-Yu Kim, Hyunsang Hwang and Takhee Lee, “Resistive Switching Characteristics of Polymer Non-volatile Memory Devices in a Scalable Via-hole Structure”, Nanotechnology, 20, 025201 (2009). [PDF] [Journal link]

*Selected as one of Nanotechnology highlights 2009 (one of six chosen papers in Electronics and Photonics field) [PDF]

Hyunwook Song, Youngsang Kim, Jamin Ku, Yun Hee Jang, Heejun Jeong, and Takhee Lee, "Vibrational spectra of metal-molecule-metal junctions in electromigrated nanogap electrodes by inelastic electron tunneling”, Appl. Phys. Lett. 94, 103110 (2009). [PDF] [Journal link]

Jongsun Maeng, Sungho Heo, Gunho Jo, Minhyeok Choe, Seonghyun Kim, Hyunsang Hwang, and Takhee Lee, "The effect of excimer laser annealing on ZnO nanowires and their field effect transistors", Nanotechnology, 20, 095203 (2009).  [PDF]   [Journal link]

Jongsun Maeng, Woojin Park, Minhyeok Choe, Gunho Jo, Yung Ho Kahng and Takhee Lee.“Transient drain current characteristics of ZnO nanowire field effect transistors”, Appl. Phys. Lett. 95, 123101 (2009). [PDF] [Journal link]

Byungjin Cho, Tae-Wook Kim, Minhyeok Choe, Gunuk Wang, Sunghoon Song, and Takhee Lee,“Unipolar nonvolatile memory devices with composites of poly(9-vinylcarbazole) and titanium dioxide nanoparticles", Organic Electronics, 10, 473 (2009). [PDF] [Journal link]

Woojin Park, Woong-Ki Hong, Gunho Jo, Gunuk Wang, Minhyeok Choe, Jongsun Maeng, Yung Ho Kahng and Takhee Lee,"Tuning of operation mode of ZnO nanowire field effect transistors by solvent-driven surface treatment", Nanotechnology, 20, 475702 (2009). [PDF] [Journal link]

Hyejung Choi, Myeongbum Pyun, Tae-Wook Kim, Musarrat Hasan, Rui Dong, Joon-myoung Lee, Jubong Park, Jaesik Yoon, Dongjun Seong, Takhee Lee, Hyunsang Hwang, "Nanoscale Resistive switching of a Copper–Carbon-Mixed Layer for Nonvolatile Memory Applications", IEEE Elect. Dev. Lett. 30, 302 (2009). [PDF] [Abstract & PDF]

Jung Inn Sohn, Mark E Welland, Woong-Ki Hong, Takhee Lee, Mi Jung Lee, Henning Sirringhaus, Dae Joon Kang, "The influence of surface chemical dynamics on electrical and optical properties of ZnO nanowire field effect transistors", Nanotechnology, 20, 505202 (2009). [PDF] [Journal link]

Seok-In Na, Gunuk Wang, Seok-Soon Kim, Tae-Wook Kim, Seung-Hwan Oh, Byung-Kwan Yu, Takhee Lee and Dong-Yu Kim, "Evolution of nanomorphology and anisotropic conductivity in solvent-modified PEDOT:PSS films for polymeric anodes of polymer solar cells", J. Materials Chemistry, 19, 9045-9053 (2009). [PDF] [Journal link]

S. Acharya, H. Song, J. Lee, P. S. Kwon, J. Lee, G.Yogendranath, Y. H. Kim, Y. H. Jang, T. Lee, S. Samal, and J.-S. Lee, "An amphiphilic C60 penta-addition derivative as a new U-type molecular rectifier", Organic Electronics, 10, 85 (2009). [PDF] [Journal link]

Eun-Uk Kim, Kang-Jun Baeg, Yong-Young Noh, Dong-Yu Kim, Takhee Lee, Inkyu Park, and Gun-Young Jung, "Templated assembly of metal nanoparticles in nanoimprinted patterns for metal nanowire fabrication", Nanotechnology, 20, 355302 (2009). [PDF] [Journal link]

Song-Woo Lee, Gunho Jo, Takhee Lee and Yong-Gu Lee, "Controlled assembly of In2O3 nanowires on electronic circuits using scanning optical tweezers", Optics Express, 17, 17491-17501 (2009). [PDF] [journal link]

Gunuk Wang, Hana Yoo, Seok-In Na, Tae-Wook Kim, Byungjin Cho, Dong-Yu Kim, Takhee Lee, "Electrical conduction through self-assembled monolayers in molecular junctions: Au/molecules/Au versus Au/molecule/PEDOT:PSS/Au", Thin Solid Films, 518, 824 (2009). [PDF] [Journal link]

Hao D. Xiong, Wenyong Wang, John S. Suehle, Curt A. Richter, Woong-Ki Hong, and Takhee Lee, "Noise in ZnO Nanowire Field Effect Transistors", J. Nanosci. Nanotech. 9, 1041 (2009). [PDF] [Journal link]

Jongsun Maeng, Gunho Jo, Minhyeok Choe, Woojin Park, Min-Ki Kwon, Seong-Ju Park and Takhee Lee, "Structural and photoluminescence characterization of ZnO nanowalls grown by metal organic chemical vapor deposition ", Thin Solid Films, 518, 865 (2009). [PDF] [Journal link]

Hana Yoo, Jungseok Choi, Gunuk Wang, Tae-Wook Kim, Jaegeun Noh, and Takhee Lee, "Statistical Analysis of Metal-Molecule Contacts in Alkyl Molecular Junctions: Sulfur vs Selenium End-Group", J. Nanosci. Nanotech. 9, 7012-7015 (2009). [PDF] [Journal link]

Yung Ho Kahng, Jinho Choi, Kwanghoon Jeong, Joon Lyou, Byong Chon Park, Dal-Hyun Kim, Haiwon Lee, Takhee Lee, Jae-Joon Lee, and Sang Jung Ahn,"Fabrication of Ball-Shaped Atomic Force Microscope Tip by Ion Beam Induced Deposition of Platinum on Multiwall Carbon Nanotube", Ultramicroscopy, 110, 82 (2009). [PDF] [Journal link]

Man Chang, Tae-Wook Kim, Joonmyoung Lee, Minseok Jo, Seonghyun Kim, Seungjae Jung, Hyejung Choi, Takhee Lee and Hyunsang Hwang, "Data retention characteristics of MANOS-type flash memory device with different metal gates at various levels of charge injection", Microelectronic Engineering, 86, 1804-1806 (2009). [PDF] [Journal link]