Intramolecular charge transfer for optical applications

PK Samanta, R Misra - Journal of Applied Physics, 2023 - pubs.aip.org
Tuning of intramolecular charge transfer (ICT) in a molecule could be used to modulate its
linear and nonlinear optical (NLO) response properties. Over the years, the ICT process in …

Comparative analyses of Nonlinear Optical (NLO) properties, structural characterization and density functional theory of chloro-trifluoromethyl moiety chalcone …

FD Ramzi, QA Wong, NAM Daud, BS Ooi… - Journal of Molecular …, 2024 - Elsevier
This study focuses on the impact of substitutional positions on the nonlinear optical (NLO)
and photophysical properties of four novel chalcone derivatives (I–IV). The grown crystals …

First-order hyperpolarizabilities of propellanes: Elucidating structure–property relationships

B Krajewski, SS Rajput, M Chołuj… - Physical Chemistry …, 2022 - pubs.rsc.org
Following recent experimental work demonstrating strong nonlinear optical properties,
namely second harmonic generation of light, in crystals composed of 16, 20-dinitro-(3, 4, 8 …

Understanding Nonlinear Optical Phenomena in N-Pyrimidinyl Stilbazolium Crystals via a Self-Consistent Electrostatic Embedding–DFT Approach

R Medeiros, LR Franco, FAP Osório, C Valverde… - ACS …, 2024 - ACS Publications
Density functional theory (DFT) and time-dependent density functional theory (TD-DFT) have
been used to investigate the nonlinear optical (NLO) properties of phenolic N-pyrimidinyl …

Multi-State second-order nonlinear optical switches incorporating one to three benzazolo-oxazolidine units: A quantum chemistry investigation

P Beaujean, L Sanguinet, V Rodriguez, F Castet… - Molecules, 2022 - mdpi.com
This contribution employs quantum chemistry methods to describe the variations of the
second nonlinear optical responses of molecular switches based on benzazolo-oxazolidine …

Designing a Propellane‐based Nonlinear Optically Active System Absorbing in Three Different Wavelength Regions

SS Rajput, M Alam - ChemPhysChem, 2022 - Wiley Online Library
The aim of this work is to demonstrate the possibility of using propellane in designing a
molecule that can absorb in three different wavelength regions and their nonlinear optical …

Much of a muchness: On the origins of two-and three-photon absorption activity of dipolar Y-shaped chromophores

M Chołuj, R Behera, EF Petrusevich… - The Journal of …, 2022 - ACS Publications
The molecular origin of two-(2PA) and three-photon absorption (3PA) activity in three
experimentally studied chromophores, prototypical dipolar systems, is investigated. To that …

An inquisitive study on photophysical properties of few modified indole derivatives

T Banana, SS Rajput, N Chandravanshi… - … Physics Letters B, 2024 - World Scientific
Indole is an interesting molecule that exists in nature as a part of several important
biomolecules including melatonin—a chemical that maintains the circadian rhythm in human …

Influence of the Excitation Wavelength on First Order Hyperpolarizabilities and Optimal Gap Tuning of Range Separated Hybrid Functionals

S Parshotam, JM Gibbs, A Brown - 2022 - chemrxiv.org
In this study, we compute the hyperpolarizability of the nitroaniline isomers, para-nitroaniline
(pNA), ortho-nitroaniline (oNA), and meta-nitroaniline (mNA), by density functional theory …

Computer-aided design of two-photon-absorbing organic chromophores

L Petrusevich - 2023 - search.proquest.com
Nowadays two-photon absorption (2PA) phenomenon has a significant influence on the
development of molecular biology, medicine, optics, and information technology …