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Novel Nano Structures inside Confined Space
Synthesis of novel nano structures via nanotube encapsulation.
Investigation of the new crystalline structure and the physical properties.
▶ Y. Lee†*, L. Li†, W. Zhang†, U. Choi, K. Lee, Y.-M. Kim, W. Ji*, W. Zhou*, K. Kim*, and A. Zettl*, Robust High-Spin State in One-Dimensional CrX2 (X=Cl, Br, I) at the Single-Chain Limit, J. Am. Chem. Soc. 147, 26776–26785 (2025).
▶ Y. Lee†*, Y. W. Choi†, L. Li, W. Zhou, M. L. Cohen, K. Kim*, and A. Zettl*, SiX2 (X=S, Se) Single Chains and (Si-Ge)X2 Quaternary Alloys, ACS Nano, 18, 17882-17889 (2024).
▶Y. Lee†, Y. W. Choi†, K. Lee, C. Song, P. Ercius, M. L. Cohen, K. Kim, and A. Zettl, One-dimensional Magnetic MX3 Single-Chains (M=Cr, V and X=Cl, Br, I), Adv. Mater., 2307942 (2023).
▶ Y. Lee†, Y. W. Choi†, K. Lee, C. Song, P. Ercius, M. L. Cohen, K. Kim, and A. Zettl, Tuning the sharing modes and composition in a tetrahedral GeX2 (X=S, Se) system via one-dimensional confinement, ACS Nano, 17, 8734-8742 (2023).
State-of-the-Art Aberration Corrected TEM/STEM
Atomic resolution imaging and spectroscopy characterization of various materials.
E-beam induced atomic structure manipulation.
In-situ TEM characterization (heating, electrical, liquid, gas).
Investigation of structure-property correlations.
▶ K. Lee, S. Lee, Y. Lee*, and K. Kim*, Deep Learning Analysis of Localized Interlayer Stacking Displacement and Dynamics in Bilayer Phosphorene, Adv. Mater. 2416480 (2025)
▶ S. Lee†, Y. Lee†*, L. P. Ding†, K. Lee, F. Ding*, and K. Kim*, Atomically Sharp, Closed Bilayer Phosphorene Edges by Self-Passivation, ACS Nano, 16, 12822–12830 (2022).
▶ Y. Lee, S. Lee, J.-Y. Yoon, J. Cheon, H. Y. Jeong, and K. Kim, Fabrication and Imaging of Monolayer Phosphorene with Preferred Edge Configurations via Graphene-Assisted Layer-by-Layer Thinning, Nano Lett., 20, 559-566 (2020).
Atomically-Thin Two-Dimensional (2D) Materials
Graphene, Transition metal dichalcogenides (TMDC), Phosphorene, and other van der Waals layered material.
Synthesis and material characterization of 2D materials.
Integrated mixed-dimensional Van der Waals Heterostructure with 2D materials as a substrate.
▶ T. K. Yun, M. G. Shin, U. Choi, J. Yeon, J. J. Kim, Y. Lee*, and K. Kim*, Intermixing–Driven Growth of Highly Oriented Indium Phosphide on Black Phosphorus, Adv. Funct. Mater. e21722 (2025)
▶ Y. Lee, H.Kim, T. K. Yun, J. C. Kim, S. Lee, S. J. Yang, M. Jang, D. Kim, H. Ryu, G.-H. Lee, S. Im, H. Y. Jeong, H. J. Choi, and K. Kim, Single-Crystalline Metallic Films Induced by van der Waals Epitaxy on Black Phosphorus, Chem. Mater., 33, 3593-3601 (2021).
▶ Y. Lee, J. Koo, S. Lee, J.-Y. Yoon, K. Kim, M. Jang, J. Jang, J. Choe, B.-W. Li, C. T. Le, F. Ullah, Y. S. Kim, J. Y. Hwang, W. C. Lee, R. S. Ruoff, H. Cheong, J. Cheon, H. Lee, and Kwanpyo Kim, Universal Oriented van der Waals Epitaxy of 1D Cyanide Chains on Hexagonal 2D Crystals, Adv. Sci., 1900757 (2020).
▶ J. Jang†, Y. Lee†, J.-Y. Yoon, H. H. Yoon, J. Koo, J. Choe, S. Jeon, J. Sung, J. Park, W. C. Lee, H. Lee, H. Y. Jeong, K. Park, and K. Kim, One-Dimensional Assembly on Two-Dimensions: AuCN Nanowire Epitaxy on Graphene for Hybrid Phototransistors, Nano Lett., 18, 6214-6221 (2018). († Equal contribution)
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