Near-infrared dyes for two-photon absorption in the short-wavelength infrared: strategies towards optical power limiting

S Pascal, S David, C Andraud, O Maury - Chemical Society Reviews, 2021 - pubs.rsc.org
This work provides an overview of the recent advances in the field of two-photon absorbing
chromophores active in the short-wavelength infrared (SWIR) spectral range. Herein the …

Torsion Angles between Donor and Acceptor Moieties as a Descriptor for Designing Nonlinear Optics and Thermally Activated Delayed Fluorescence Materials

B Li, T **ao, FL Gu, J Jiang, C Jia - The Journal of Physical …, 2023 - ACS Publications
The performances of nonlinear optics (NLO) and thermally activated delayed fluorescence
(TADF) materials are strongly related to the torsion angles (θ) between donor (D) and …

Extremely large nondegenerate nonlinear index and phase shift in epsilon-near-zero materials

S Benis, N Munera, S Faryadras… - Optical Materials …, 2022 - opg.optica.org
Epsilon-near-zero (ENZ) materials have emerged as viable platforms for strong nonlinear
optical (NLO) interactions. The NLO phase shift in materials exhibiting an ENZ condition is …

Highly conjugated, fused-ring, quadrupolar organic chromophores with large two-photon absorption cross-sections in the near-infrared

TG Allen, S Benis, N Munera, J Zhang… - The Journal of …, 2020 - ACS Publications
The two-photon absorption (2PA) properties are investigated for two series of organic, π-
conjugated, fused-ring, quadrupolar A-π-D-π-A chromophores of the type originally …

An intramolecular-locked strategy for designing nonlinear optical materials with remarkable first hyperpolarizability

B Li, T **ao, H Shen, M Deng, FL Gu - Physical Chemistry Chemical …, 2022 - pubs.rsc.org
To meet the expanding demands of high performance nonlinear optical (NLO) materials, an
unprecedented intramolecular-locked strategy is proposed to design NLO materials with …

Intramolecular boron-locking strategy induced remarkable first hyperpolarizability: role of torsion angles between donor and acceptor units

B Li, S Lin, FL Gu - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
In conventional strategies to design donor–acceptor (D–A) organic molecules with a large
electronic contribution to the first hyperpolarizability (β), the effects of the torsion angles (θ1 …

Fluorene-decorated Ir (III) complexes: synthesis, photophysics and tunable triplet excited state properties in aggregation

S Zhu, Q Pan, Y Li, W Liu, R Liu, H Zhu - Dalton Transactions, 2022 - pubs.rsc.org
Two new heteroleptic cationic Ir (III) complexes bearing benzothiazole and pyridine motifs
on fluorene groups were synthesized and characterized. Complexes Ir1 and Ir2 exhibit 1π …

Modulation of trithiophene-based chalcone positional isomers by twist angle variation: Ultrafast nonlinear optical properties and excited-state dynamics

R Niu, S Chen, W Zhou, X Wu, J Yang, Y Wang… - … of Photochemistry and …, 2021 - Elsevier
The nonlinearities involves the interaction between multiple sources, to minimize variable
factors, four trithiophene chalcone isomeric molecules were designed and synthesized to …

The effect of metal-to-ligand charge transfer on linear and nonlinear optical properties of hexaphyrin and metallo-hexaphyrins

S Naskar, M Das - Molecular Physics, 2024 - Taylor & Francis
Charge transfer from metal to ligand has implications in various fields of chemistry, physics
and biology. The manipulation of spin properties would be necessary for controlling charge …

A time-dependent density functional theory study of a fluorescent probe to detect hydroxyl radicals: Inhibiting the twisted intramolecular charge-transfer process

G Bo, L Bo-Yu, Y Shou-Liang, L Yue-Hua… - … Acta Part A: Molecular …, 2021 - Elsevier
Due to the relevance to excited-state processes, sensing mechanisms of fluorescent probes
were difficult to study directly by experimental methods. This work investigated theoretically …