Education

• Ph.D. candidate, Physics, Seoul National University, Seoul, Korea, (2007~Present)
• B.S., Physics, Seoul National University, Seoul, Korea, (2007)

Research Interests

• Fabrication and characterizations of nanoscale CNT network devices
• Low frequency noise of the CNT network devices and its improvement

Recent Journal Publications

1. High-Performance Photoconductive Channels Based on (Carbon Nanotube)–(CdS Nanowire) Hybrid Nanostructures Hyungwoo Lee, Kwang Heo, Abbas Maaroof, Yongju Park, Seunguk Noh, June Park, Jikang Jian, Changhee Lee, Maeng-Je Seong, Seunghun Hong Small, Vol 8, Issue 11, pages 1650–1656, 11 June 2012
2. Graphene–nanowire hybrid structures for high-performance photoconductive devices Hyungwoo Lee, Kwang Heo, Jaesung Park, Yongju Park, Seunguk Noh, Kwang S. Kim, Changhee Lee, Byung Hee Hong, Jikang Jian and Seunghun Hong Journal of Materials Chemistry, Issue 17, Page 8147-8688, 2012
3. Floating electrode transistor based on purified semiconducting carbon nanotubes for high source–drain voltage operation Joohyung Lee, Hyungwoo Lee, Taekyeong Kim, Hye Jun Jin, Juyeon Shin, Youngki Shin, Sangho Park, Yoonho Khang and Seunghun Hong Nanotechnology, 23 085204 (2012)
4. Aligned Networks of Cadmium Sulfide Nanowires of Highly-Flexible and High-Performance Photodetectors Kwang Heo, Hyungwoo Lee, Yongju Park, Jinho Park, Hyun-Jin Lim, Duhee Yoon, Changhee Lee, Miyoung Kim, Hyeonsik Cheong, Jonghyurk Park, Jikang Jian and Seunghun Hong J. Mater. Chem., First published on the web 14 Dec 2011
5. Scanning Noise Microscopy on Graphene Devices Moon Gyu Sung, Hyungwoo Lee, Kwang Heo, Kyung-Eun Byun, Taekyeong Kim, David H. Seo, Sunae Seo, and Seunghun Hong ACS Nano, 5, 8620 (2011)
6. Wide Contact Structures for Low-Noise Nanochannel Devices Based on a Carbon Nanotube Network Hyungwoo Lee, Minbaek Lee, Seon Namgung, and Seunghun Hong ACS Nano, 4, 7612-7618 (2010)
7. Integrated Devices based on Networks of Nanotubes and Nanowires Byung Yang Lee, Moon Gyu Sung, Hyungwoo Lee, Seon Namgung, Sung Young Park, Dong Shin Choi and Seunghun Hong NPG Asia Materials, 2, 103-111 (2010)
8. Large-scale assembly of 'type-switchable' field effect transistors based on carbon nanotubes and nanoparticles Sung Myung, SungjongWoo, Jiwoon Im, Hyungwoo Lee, Yo-Sep Min, Young-Kyun Kwon and Seunghun Hong Nanotechnology, 21, 345301 (2010)
9. Ambipolar Memory Devices Based on Reduced Graphene Oxide and Nanoparticles Sung Myung, Jaesung Park, Hyungwoo Lee, Kwang S. Kim and Seunghun Hong Advanced Materials, 22, 2045-2049 (2010)
10. 100 nm scale low-noise sensors based on aligned carbon nanotube networks: overcoming the fundamental limitation of network-based sensors Minbaek Lee, Joohyung Lee, Tae Hyun Kim, Hyungwoo Lee, Byung Yang Lee, June Park, Young Min Jhon, Maeng-Je Seong and Seunghun Hong Nanotechnology 21 055504 (2009)

Presentation

1. Wide Contact Structures for Low-noise Nano-channel Devices based on Carbon Nanotube Network Hyungwoo Lee, M. Lee, S. Namgung, S. Hong American Physical Society March Meeting (2011) Dallas, TX, USA
2. Directed-Assembly of Carbon Nanotubes on Soft Substrates for Flexible Biosensor Array Hyoungwoo Lee, J. Koh, B. Y. Lee, T. H. Kim, J. Lee and S. Hong American Physical Society March Meeting (2009) Pittsburgh, Pennsylvania, USA
3. 'Textured' Carbon Nanotube Network Channel for High-Performance Nanoscale Transistors Minbaek Lee, Hyungwoo Lee, Eunju Jo, June Park, Maeng-Je Seong, Seunhun Hong 2008 NANO KOREA, Ilsan, KOREA

Patent

1. METHOD FOR FABRICATING DEVICE HAVING CHANNEL LAYER AND SENSOR DEVICE FABRICATED BY USING THE SAME Seunghun Hong, Hyoungwoo Lee, Seon Namgung Korea, 10-2009-0052411