Nanophotonic approaches for chirality sensing

LA Warning, AR Miandashti, LA McCarthy, Q Zhang… - ACS …, 2021 - ACS Publications
Chiral nanophotonic materials are promising candidates for biosensing applications
because they focus light into nanometer dimensions, increasing their sensitivity to the …

Review on new horizons of aggregation induced emission: from design to development

GR Suman, M Pandey… - Materials Chemistry …, 2021 - pubs.rsc.org
An unusual behavior of some organic luminophores in which intensity of emission is
enhanced in aggregated condition is known as aggregation induced emission (AIE). The …

Enhanced circular dichroism by F-type chiral metal nanostructures

Y Luo, J Liu, H Yang, H Liu, G Zeng, B Huang - Photonics, 2023 - mdpi.com
Circular dichroism (CD) effects have broad applications in fields including biophysical
analysis, analytical chemistry, nanoscale imaging, and nanosensor design. Herein, a novel …

Demonstration of extrinsic chirality in self-assembled asymmetric plasmonic metasurfaces and nanohole arrays

E Petronijevic, T Cesca, C Scian, G Mattei, RL Voti… - Scientific Reports, 2024 - nature.com
Chirality, the lack of mirror symmetry, can be mimicked in nanophotonics and plasmonics by
breaking the symmetry in light-nanostructure interaction. Here we report on versatile use of …

Diffracted beams from metasurfaces: high chiral detectivity by photothermal deflection technique

G Leahu, E Petronijevic, R Li Voti… - Advanced Optical …, 2021 - Wiley Online Library
Measurements of difference in optical interactions between circularly polarized excitations of
opposite handedness (circular dichroism) are highly important for both natural and artificial …

Rich near-infrared chiral behavior in diffractive metasurfaces

E Petronijevic, A Belardini, T Cesca, C Scian… - Physical Review …, 2021 - APS
The mimicking of chiral effects at the nanoscale usually requires complex nanostructured
systems fabricated by using highly sophisticated techniques. Here, we demonstrate that low …

Extrinsic Chirality and Circular Dichroism at Visible Frequencies Enabled by Birefringent α-MoO3 Nanoscale-Thick Films: Implications for Chiro-Optical Control

E Petronijevic, SA Dereshgi… - ACS Applied Nano …, 2022 - ACS Publications
Nanophotonics community has shown great interest in 2D materials because of their unique
properties of electromagnetic field manipulation. Many of these materials exhibit strong …

Extended chiro-optical near-field response of achiral plasmonic lattices

E Petronijevic, EM Sandoval, M Ramezani… - The Journal of …, 2019 - ACS Publications
We investigate the chiro-optical properties of the electromagnetic near-field associated with
the excitation of collective optical resonances (surface lattice resonances) in achiral …

Circular dichroism in low-cost plasmonics: 2D arrays of nanoholes in silver

E Petronijevic, A Belardini, G Leahu, T Cesca… - Applied Sciences, 2020 - mdpi.com
Featured Application chirality, plasmonics, enantioselectivity. Abstract Arrays of nanoholes
in metal are important plasmonic devices, proposed for applications spanning from …

Recent developments in the chiroptical properties of chiral plasmonic gold nanostructures: bioanalytical applications

N John, AT Mariamma - Microchimica Acta, 2021 - Springer
The presence of excess L-amino acid in the Murchison meteorite, circular polarization effect
in the genesis of stars and existence of chirality in interstellar molecules contribute to the …