Galvanic replacement reaction to prepare catalytic materials

Y Hong, S Venkateshalu, S Jeong… - Bulletin of the …, 2023 - Wiley Online Library
Galvanic replacement reaction (GRR) has gained considerable interest as a facile and
versatile synthetic method for modulating compositions, morphologies, and corresponding …

Plasmonic Annular Nanotrenches with 1 nm Nanogaps for Detection of SARS-CoV-2 Using SERS-Based Immunoassay

S Lee, S Lee, W Park, S Lee, S Kwon, MJ Oh… - Nano …, 2024 - ACS Publications
This study represents the synthesis of a novel class of nanoparticles denoted as annular Au
nanotrenches (AANTs). AANTs are engineered to possess embedded, narrow circular …

Combinatorial effect of tricomponent dual-rim nanoring building blocks: label-free SERS detection of biomolecules

S Lee, S Kwon, S Lee, MJ Oh, I Jung, S Park - Nano letters, 2024 - ACS Publications
Detecting weakly adsorbing molecules via label-free surface-enhanced Raman scattering
(SERS) has presented a significant challenge. To address this issue, we propose a novel …

Ready‐to‐Use Free‐Standing Super‐Powder Made with Complex Nanoparticles for SERS

MN Haddadnezhad, I Jung, MJ Oh… - Advanced Materials, 2024 - Wiley Online Library
This study presents a straightforward and efficient synthetic approach for producing high‐
yield, ready‐to‐use, free‐standing super‐powder. The synthesis protocol demonstrates …

Au–Ag nanoparticles with controllable morphologies for the surface-enhanced Raman scattering detection of trace thiram

L Sun, C Cao, Y Zhi, Y Shan, H Zhang… - ACS Applied Nano …, 2023 - ACS Publications
Surface-enhanced Raman scattering (SERS) technique has been limitedly applied to the
detection of trace thiram due to the weak activity of employed substrates. In this work, Au–Ag …

Two-and Three-Dimensional Ag–Au Nanoalloying: Heterogeneous Building Blocks Enhancing Near-Field Focusing

S Lee, Q Zhao, S Lee, I Choi, S Lee, I Jung, S Park - ACS nano, 2024 - ACS Publications
In this study, we report a strategy for fabricating binary surface-enhanced Raman scattering
(SERS) substrates composed of plasmonic Pt@ Ag and Pt@ Au truncated-octahedral (TOh) …

Bimetallic alloy Ag@ Au nanorings with hollow dual-rims focus near-field on circular intra-nanogaps

S Lee, I Jung, S Lee, J Lee, MJ Oh, M Park… - Nanoscale …, 2023 - pubs.rsc.org
Here, we report a highly sensitive and reliable surface enhanced Raman scattering (SERS)-
based immunoassay using bimetallic alloy Ag@ Au hollow dual-rim nanorings (DRNs) …