Prof. Jongwook Roh ( 노종욱 교수 )

EDUCATION

• Ph. D., Materials Science & Engineering, Yonsei University, Seoul, South Korea (2006.03 ~ 2011.02)

Dissertation: Thermal transport properties in individual single-crystalline nanowires 

(Supervisor: Prof. Wooyoung Lee)

• M.S., Materials Science & Engineering, Yonsei University, Seoul, South Korea (2004.03 ~ 2006.02)

• B.S., Materials Science & Engineering, Yonsei University, Seoul, South Korea (1997.03 ~ 2004.02)

PERSONAL EXPERIENCES

• 한국열물성학회 학술이사 (2018~ present)

• 한영 알코비스(주) 기술자문 (2020) 

• Research Staff Member (전문연구원)   

Samsung Advanced Institute of Technology, Samsung Electronics (2011~2018) 

Thermoelectric materials, 2D nanosheets

• Visiting Researcher at Prof. Takayoshi Sasaki Lab (2017)

International Center for Materials Nanoarchitectonics, NIMS, Japan

Nanoelectric devices using 2D nanosheets

• Visiting Student at Prof. Arun Majumdar Lab  (2008)    

University of California, Berkeley

      Phonon transport phenomena in an individual Bi nanowires

Representative Papers

1. H. Yoo, H. V. Quy, I. Lee, S. T. Jo, T. E. Hong, J. Kim, D.-H. Yoo, J. Shin, W. Commerell, D.-H. Kim*, J. W. Roh*, "Understanding of the Relationship between the Properties of Cu(In,Ga)Se2 Solar Cells and the Structure of Ag Network Electrodes" ENERGY & ENVIRONMENTAL MATERIALS e12765 , 2024

2. G. Kim, H. S. Kim, H. S. Lee, J. Kim, K. H. Lee, J. W. Roh*, W. Lee*, “Synchronized enhancement of thermoelectric properties of higher manganese silicide by introducing Fe and Co nanoparticles” Nano Energy 72, 104698, 2020

3. D. Ko, W. Lee, S. Sul, C. Jung, D. Yun, H. Kim, W. Son, J. G. Chung, D. W. Jung, S. Y. Kim, J. Kim, W. Lee, C. Kwak, J. K. Shin, J. H. Kim*, J. W. Roh*,“Understanding the structural, electrical, and optical properties of monolayer h-phase RuO2 nanosheets: a combined experimental and computational study” NPG Asia Materials, 10, 266, 2018

4. W. H. Shin, B. Ryu, H. J. Chang, H. S. Kim, S. Lee, W. S. Seo, K. Ahn*, J. W. Roh*, “Enhancing Thermoelectric Performances of Bismuth Antimony Telluride via Synergistic Combination of Multiscale Structuring and Band Alignment by FeTe2 Incorporation” ACS Applied Materials & Interface, 10, 3689, 2018

5. J. W. Roh, J. Ham, J. Kim, H. Moon, H. S. Kim, W. Lee “Extreme reduction of thermal conductivity by embedding Al2O3 nanoparticles into single-crystalline Bi nanowires”, Acta Materialia 136, 315, 2017

6. Y. Min*, J. W. Roh*, H. Yang, M. Park, S. Kim, S. Hwang, K. H. Lee, U. Jeong, “Surfactant-Free Scalable Synthesis of Bi2Te3 and Bi2Se3 Nanoplates and Enhanced Thermoelectric Properties of their Nanocomposites”, Advanced Materials, 24, 1425, Cover articles, 2012

7. J. W. Roh*, K. Hippalgaonkar*, J. H. Ham, R. Chen, M. Z. Li, P. Ercius, A. Majumdar, W. Kim, W. Lee, “Observation of Anisotropy in Thermal Conductivity of Individual Single-crystalline Bi Nanowires”, ACS NANO, 5, 3954, 2011

8. J. Kang*, J. W. Roh*, W. Y. Shim, J. H. Ham, S. Lee, J. Noh, W. Lee, “Reduction of Lattice Thermal Conductivity in Single Bi-Te Core/Shell Nanowires with Rough Interface”,  Advanced Materials, 23, 3414 , Cover articles, 2011

9. S. I. Kim, K. H. Lee, H. A. Mun, H. S. Kim, S. W. Hwang, J. W. Roh, D. Yang, W. H. Shin, X. S. Li, Y. H. Lee, J. Snyder, S. W. Kim, “Dense dislocation arrays embedded in grain boundaries for high-performance bulk thermoelectric”, Science, 348, 109, 2015