Research progress in surface-enhanced infrared absorption spectroscopy: From performance optimization, sensing applications, to system integration

D Li, C Xu, J Xie, C Lee - Nanomaterials, 2023 - mdpi.com
Infrared absorption spectroscopy is an effective tool for the detection and identification of
molecules. However, its application is limited by the low infrared absorption cross-section of …

Nanocavities for molecular optomechanics: Their fundamental description and applications

P Roelli, H Hu, E Verhagen, S Reich, C Galland - ACS photonics, 2024 - ACS Publications
Vibrational Raman scattering─ a process where light exchanges energy with a molecular
vibration through inelastic scattering─ is most fundamentally described in a quantum …

Synthesized complex-frequency excitation for ultrasensitive molecular sensing

K Zeng, C Wu, X Guo, F Guan, Y Duan, LL Zhang… - eLight, 2024 - Springer
Sensors have emerged as indispensable analytical tools across a wide range of important
fields, encompassing environmental monitoring, food safety, and public health. They …

[HTML][HTML] Resonance conditions, detection quality, and single-molecule sensitivity in fluorescence-encoded infrared vibrational spectroscopy

L Whaley-Mayda, A Guha, A Tokmakoff - The Journal of Chemical …, 2022 - pubs.aip.org
Fluorescence-encoded infrared (FEIR) spectroscopy is a vibrational spectroscopy technique
that has recently demonstrated the capability of single-molecule sensitivity in solution …

Recent advances in nanostructured substrates for surface-enhanced infrared absorption spectroscopy

J Wang, P Zeng, X Xiao, C Zhou, H Wei, C Yu - Nanotechnology, 2023 - iopscience.iop.org
Surface-enhanced infrared absorption (SEIRA) spectroscopy is an emerging research field
that has received much attention from the research community. Unlike conventional infrared …

Ultrasensitive infrared spectroscopy via vibrational modulation of plasmonic scattering from a nanocavity

D Jia, R Cheng, JH McNeely, H Zong, X Teng, X Xu… - Science …, 2024 - science.org
Most molecules and dielectric materials have characteristic bond vibrations or phonon
modes in the mid-infrared regime. However, infrared absorption spectroscopy lacks the …

Dual-band complementary metamaterial perfect absorber for multispectral molecular sensing

L Zhang, W Lu, L Zhu, H Xu, H Wang, H Pan, Z An - Optics Express, 2023 - opg.optica.org
Metamaterial perfect absorbers (MPAs) show great potential in achieving exceptional
sensing performance, particularly in the realm of surface-enhanced infrared absorption …

A mid-IR tunable graphene metasurface for ultrasensitive molecular fingerprint retrieval and refractive index sensing

Y Wei, L Si, L Dong, Q Shen, T Ma, H Sun… - Journal of Materials …, 2023 - pubs.rsc.org
The enhancement of light–matter interactions based on the resonance of metasurfaces
provides a promising opportunity for the identification of various molecules. However, there …

Single-cell infrared vibrational analysis by optical trapping mid-infrared photothermal microscopy

R Kato, T Yano, T Tanaka - Analyst, 2023 - pubs.rsc.org
Single-cell analysis by means of vibrational spectroscopy combined with optical trapping is
a reliable platform for unveiling cell-to-cell heterogeneities in vast populations. Although …

Plasmonic applications of gold-copper bimetallic alloy nanoparticles

A Dahiya, M Verma, PS Kumar - Plasmonics, 2022 - Springer
Plasmonic metal nanoparticles due to their characteristic localized surface plasmon
resonance (LSPR) in the optical region of the electromagnetic wave are of much interest …