Activated chemical bonds in nanoporous and amorphous iridium oxides favor low overpotential for oxygen evolution reaction

S Lee, YJ Lee, G Lee, A Soon - Nature communications, 2022 - nature.com
To date, the search for active, selective, and stable electrocatalysts for the oxygen evolution
reaction (OER) has not ceased and a detailed atomic-level design of the OER catalyst …

Revisiting Polytypism in Hexagonal Ternary Sulfide ZnIn2S4 for Photocatalytic Hydrogen Production Within the Z-Scheme

J Lee, H Kim, T Lee, W Jang, KH Lee… - Chemistry of …, 2019 - ACS Publications
The ternary chalcogenide, ZnIn2S4, is known to exhibit various polymorphic expressions:
from the cubic spinel phase to various polytypic layered hexagonal structures, commonly …

Phase stability diagrams of group 6 Magnéli oxides and their implications for photon-assisted applications

YJ Lee, T Lee, A Soon - Chemistry of Materials, 2019 - ACS Publications
Controlling the stoichiometry and metastability in functional oxides is often the key to
enhance their performance for a range of important oxide-based technological applications …

Direct observation of trapped charges at ReSe2 and graphene heterojunctions

TT Ly, YJ Lee, BK Choi, H Lee, HJ Kim, G Duvjir… - Applied Surface …, 2022 - Elsevier
The van der Waals (vdW) heterojunction often reveals unexpected characteristics distinct
from conventional junctions. We investigate an emergent interface phenomenon between …

Polytypism in hexagonal tungsten trioxide: Insights from ab initio molecular dynamics simulations

Y Lee, T Lee, A Soon - The Journal of Physical Chemistry C, 2018 - ACS Publications
Temperature-dependent microstructural evolution of hexagonal WO3 (h-WO3) polytypes is
explored via ab initio molecular dynamics calculations within the density-functional theory …

Tunable Threshold Voltage of ZnTe-Based Ovonic Switching Devices via Isovalent Cation Exchange

YJ Lee, M Han, SH Yoo, A Soon - ACS Applied Electronic …, 2021 - ACS Publications
The neuromorphic system is one of the promising architectures for the next generation of
electronic devices. In this system, the selector is pivotal in overcoming the unwanted sneak …