Spatially Correlated Chirality in Chiral Two-Dimensional Perovskites Revealed by Second-Harmonic-Generation Circular Dichroism Microscopy

Z Guo, J Li, R Liu, Y Yang, C Wang, X Zhu, T He - Nano Letters, 2023 - ACS Publications
Understanding the chiral mechanism of chiral hybrid perovskites is a prerequisite for
develo** relevant chiroptoelectronic applications. Although conventional circular …

Chiroptical sensing: a conceptual introduction

A Ozcelik, R Pereira-Cameselle, N Poklar Ulrih… - Sensors, 2020 - mdpi.com
Chiroptical responses have been an essential tool over the last decades for chemical
structural elucidation due to their exceptional sensitivity to geometry and intermolecular …

Helical orbitals and circular currents in linear carbon wires

MH Garner, A Jensen, LOH Hyllested… - Chemical science, 2019 - pubs.rsc.org
Disubstituted odd-carbon cumulenes are linear carbon wires with near-degenerate helical π-
orbitals. Such cumulenes are chiral molecules but their electronic structure consists of …

Plasmon-directed on-wire growth of branched silver nanowires with chiroptic activity

Y Wang, H Hu, J Tang, S Meng, H Xu, T Ding - ACS nano, 2021 - ACS Publications
Silver nanowires (Ag NWs) present prominent waveguiding properties of subwavelength
light due to their nanoconfinement with propagating surface plasmons, which is of great …

Large-area SHG-CD probe intrinsic chirality in polycrystalline films

F Ristow, K Liang, J Pittrich, J Scheffel… - Journal of Materials …, 2022 - pubs.rsc.org
We used second harmonic generation (SHG) spectroscopy to study the chiroptical
properties of R-, S-and racemic (RAC-) 1, 1′-bi-2-naphthol (BINOL) films with various …

Negative Nonlinear CD–ee Dependence in Polycrystalline BINOL Thin Films

K Liang, F Ristow, K Li, J Pittrich, N Fehn… - Journal of the …, 2023 - ACS Publications
Generally, the relationship between the observed circular dichroism and the enantiomeric
excess in chiral systems (CD–ee dependence) is linear. While positive nonlinear behavior …

Distinct helical molecular orbitals through conformational lock

A Ozcelik, D Aranda, S Gil‐Guerrero… - … A European Journal, 2020 - Wiley Online Library
Several theoretical studies have proposed strategies to generate helical molecular orbitals
(Hel‐MOs) in [n] cumulenes and oligoynes. While chiral even‐[n] cumulenes feature Hel …

Correlation between optical activity and the helical molecular orbitals of allene and cumulenes

MH Garner, C Corminboeuf - Organic Letters, 2020 - ACS Publications
Helical frontier molecular orbitals (MOs) appear in disubstituted allenes and even-n
cumulenes. Chiral molecules are optically active, but while these molecules are single …

Optical and electrochemical properties of spirobifluorene iridanaphthalene complexes

M Talavera, R Pereira-Cameselle… - Dalton …, 2023 - pubs.rsc.org
Three new spirobifluorene iridaaromatic compounds bearing electron-withdrawing or
electron-donor substituents or another iridanaphthalene moiety have been synthesized and …

Development of robust chiroptical systems through spirobifluorenes

J Portela‐Pino, M Talavera, S Chiussi, S Bolaño… - Chirality, 2024 - Wiley Online Library
Chiroptical responses are valuable for the structural determination of dissymmetric
molecules. However, the development of everyday applications based on chiroptical …