Areas of Expertise
Micro and Nanofabrication, Energy Storage (Li-Ion Battery) System, Self-Assembled 3D Micro and Nano Power Generators and Sensors, 3D Surface Patterning on Nanoparticles.
Ph.D., Engineering Science, 2007, Washington State University, Pullman, Washington, United States.
M.S., Engineering, 2004, Washington State University, Pullman, Washington, United States.
B.S., Control and Instrument Engineering, 2001, HoSeo University, Asan, South Korea.
Postdoctoral Fellow, 2010-2012, Center for Integrated Nanotechnologies, Los Alamos National Laboratory.
Postdoctoral Fellow, 2008-2010, Chemical and Biomolecular Engineering, The Johns Hopkins University.
Graduate Research Assistant, 2003-2007, The School of Mechanical and Materials Engineering,
Washington State University.
Office: 5-129 Keller Hall
E-mail: jcho (at) umn.edu
Research Group Website
“The National Science Foundation (NSF) CAREER Award” 2015.
“Best Poster Award,” Materials Research Society (MRS) Fall Meeting, 2011.
“Achievement Award,” for Outstanding Accomplishments and Dedication, Los Alamos National Laboratory, 2011.
“Outstanding Poster Award Winner,” Los Alamos Postdoctoral Research Day, Los Alamos National Laboratory, 2011.
“Special Art Award,” Raith Micrograph Award, Raith, 2009.
Selected Journal Articles
J. H. Cho, S. T. Picraux, “Silicon Nanowire Degradation and Stabilization during Lithium Cycling by SEI Layer Formation,” Nano Letters, DOI: 10.1021/nl500130e.
J. H. Cho, S. T. Picraux, “Enhanced Lithium Ion Battery Cycling of Silicon Nanowire Anodes by Template Growth to Eliminate Silicon Under-layer Islands,” Nano Letters, Vol. 13, 5740-5747, 2013.
J. H. Cho, X. Li, and S. T. Picraux, “The Effect of Metal Silicide Formation on Silicon Nanowire-based Lithium-ion Battery Anode Capacity,” Journal of Power Sources, Vol. 205, 467-473, 2012.
J. H. Cho, M. D. Keung, N. Verellen, L. Lagae, V. V. Moshchalkov, P. Van Dorpe, and D. H. Gracias, “Nanoscale Origami for 3D Optics,” Small, , Vol. 7, 1943-1948, 2011. [Invited Paper, Selected for the Cover Image, Featured in Chemistry World].
J. H. Cho, D. Datta, S. Y. Park, V. Shenoy, and D. H. Gracias, “Plastic Deformation Drives Wrinkling, Saddling, and Wedging of Annular Bilayer Nanostructures,” Nano Letters, Vol. 10, 5098-5102, 2010.
J. H. Cho, T. James, and D. H. Gracias, “Curving Nanostructures Using Extrinsic Stress,” Advanced Materials, Vol. 22, 2320-2324, 2010. [Selected for the Cover Image, Featured in Nanowerk].
J. H. Cho and D. H. Gracias, “Self-Assembly of Lithographically Patterned Nanoparticles,” Nano Letters, Vol. 9, 4049-4052, 2009. [Featured in Nature Photonics, New Scientist magazine, Chemistry World, Technology Review Published by MIT].
J. H. Cho, S. Hu, and D. H. Gracias, “Self-Assembly of Orthogonal Three-Axis Sensors,” Applied Physics Letters, Vol. 93, 043505, 2008.
J. H. Cho, M. J. Anderson, R. F. Richards, D. F. Bahr, and C. D. Richards, “Efficiency of Energy Conversion by Piezoelectrics,” Applied Physics Letters, Vol. 89, 104107, 2006.
D. H. Gracias and J. H. Cho, “Self-Assembly of Lithographically Patterned Polyhedral Nanostructures and Formation of Curving Nanostructures,” International Patent Pending PCT/US2010/032696.