Organic mixed valence

J Hankache, OS Wenger - Chemical reviews, 2011 - ACS Publications
1.1. Scope of the Review Mixed valence is a phenomenon that many chemists
spontaneously associate with coordination compounds. The prototype of a designed mixed …

Band gap tunable, donor− acceptor− donor charge-transfer heteroquinoid-based chromophores: near infrared photoluminescence and electroluminescence

G Qian, B Dai, M Luo, D Yu, J Zhan, Z Zhang… - Chemistry of …, 2008 - ACS Publications
A series of D-π-A-π-D type of near-infrared (NIR) fluorescent compounds based on benzobis
(thiadiazole) and its selenium analogues were synthesized and fully characterized by 1H …

Charge instability in quadrupolar chromophores: Symmetry breaking and solvatochromism

F Terenziani, A Painelli, C Katan… - Journal of the …, 2006 - ACS Publications
We present a joint theoretical and experimental work aimed to understand the spectroscopic
behavior of multipolar dyes of interest for nonlinear optics (NLO) applications. In particular …

Direct visualization of excited-state symmetry breaking using ultrafast time-resolved infrared spectroscopy

B Dereka, A Rosspeintner, Z Li, R Liska… - Journal of the …, 2016 - ACS Publications
Most symmetric quadrupolar molecules designed for two-photon absorption behave as
dipolar molecules in the S1 electronic excited state. This is usually explained by a breakup …

Excimer evolution hampers symmetry-broken charge-separated states

E Sebastian, J Sunny, M Hariharan - Chemical Science, 2022 - pubs.rsc.org
Achieving long-lived symmetry-broken charge-separated states in chromophoric assemblies
is quintessential for enhanced performance of artificial photosynthetic mimics. However, the …

[2.2] Paracyclophanes in polymer chemistry and materials science

H Hopf - Angewandte Chemie International Edition, 2008 - Wiley Online Library
After a long period as model compounds in basic research [2.2] paracyclophanes are
quickly gaining in practical importance. They can be incorporated into numerous polymeric …

Photochemistry and photophysics of metal-metal bonded dinuclear transition metal complexes

C Cui, Y Shi, J Li, T Cheng - Coordination Chemistry Reviews, 2024 - Elsevier
Transition metal complexes (TMCs) play a crucial role in a wide range of light-mediated
processes across chemical, material, and physical systems, attracting significant attention …

Solute–solvent interactions and excited-state symmetry breaking: Beyond the dipole–dipole and the hydrogen-bond interactions

B Dereka, E Vauthey - The journal of physical chemistry letters, 2017 - ACS Publications
Symmetry breaking of the excited state of a linear quadrupolar acceptor–donor–acceptor
molecule was investigated using time-resolved infrared spectroscopy in 55 solvents …

Tuning the π-bridge of quadrupolar triarylborane chromophores for one-and two-photon excited fluorescence imaging of lysosomes in live cells

S Griesbeck, E Michail, C Wang, H Ogasawara… - Chemical …, 2019 - pubs.rsc.org
A series of tetracationic quadrupolar chromophores containing three-coordinate boron π-
acceptors linked by different π-bridges, namely 4, 4′-biphenyl, 2, 7-pyrene, 2, 7-fluorene, 3 …

Excited-state symmetry breaking in a quadrupolar molecule visualized in time and space

B Dereka, A Rosspeintner, R Stężycki… - The journal of …, 2017 - ACS Publications
The influence of the length of the push–pull branches of quadrupolar molecules on their
excited-state symmetry breaking was investigated using ultrafast time-resolved IR …