J
Jiwoong Park
Researcher at University of Chicago
Publications - 193
Citations - 26885
Jiwoong Park is an academic researcher from University of Chicago. The author has contributed to research in topics: Graphene & Medicine. The author has an hindex of 57, co-authored 158 publications receiving 23316 citations. Previous affiliations of Jiwoong Park include University of California, Berkeley & Cornell University.
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Journal Article
Tunable Excitons in Bilayer Graphene
Long Ju,Lei Wang,Ting Cao,Takashi Taniguchi,Kenji Watanabe,Steven G. Louie,Farhan Rana,Jiwoong Park,James Hone,Feng Wang,Paul L. McEuen +10 more
TL;DR: The observation of excitons in bilayer graphene is reported using photocurrent spectroscopy of high-quality BLG encapsulated in hexagonal boron nitride and two prominent excitonic resonances with narrow line widths that are tunable from the mid-infrared to the terahertz range.
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Strain Mapping of Two-Dimensional Heterostructures with Subpicometer Precision
Yimo Han,Kayla X. Nguyen,Michael C. Cao,Paul Cueva,Saien Xie,Saien Xie,Mark W. Tate,Prafull Purohit,Sol M. Gruner,Jiwoong Park,David A. Muller +10 more
TL;DR: This work has developed an approach to map 2D heterojunction lattice and strain profiles with subpicometer precision and the ability to identify dislocations and out-of-plane ripples, and simultaneously observed the dislocation and ripples responsible for strain relaxation in 2D laterally epitaxial structures.
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Formation of a p-type quantum dot at the end of an n-type carbon nanotube
Jiwoong Park,Paul L. McEuen +1 more
TL;DR: In this article, the authors used field effect doping to study both electron-n and hole-p type conduction in a semiconducting carbon nanotube and found that the ends of the tube remain p-type due to doping by the metal contacts.
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Extremely anisotropic van der Waals thermal conductors.
Shi En Kim,Fauzia Mujid,Akash Rai,Fredrik Eriksson,Joonki Suh,Preeti Poddar,Ariana Ray,Chibeom Park,Erik Fransson,Yu Zhong,David A. Muller,Paul Erhart,David G. Cahill,Jiwoong Park +13 more
TL;DR: In this article, anisotropic thermal conductors based on large-area van der Waals thin films with random interlayer rotations are reported, which produce a room-temperature thermal anisotropy ratio close to 900 in MoS2, one of the highest ever reported.
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On-chip Rayleigh imaging and spectroscopy of carbon nanotubes.
Daniel Y. Joh,Lihong Herman,Sang Yong Ju,Jesse M. Kinder,Michael A. Segal,Jeffreys Johnson,Garnet Kin-Lic Chan,Jiwoong Park,Jiwoong Park +8 more
TL;DR: A novel on-chip Rayleigh imaging technique using wide-field laser illumination to measure optical scattering from individual single-walled carbon nanotubes (SWNTs) on a solid substrate with high spatial and spectral resolution is reported.