Results 21 to 30 of about 3,082 (195)

Optical gating with organic building blocks. A quantitative model for the fluorescence modulation of photochromic perylene bisimide dithienylcyclopentene triads. [PDF]

open access: yesSci Rep, 2014
We investigated the capability of molecular triads, consisting of two strong fluorophores that were covalently linked to a photochromic molecule, for optical gating.
Pärs M   +5 more
europepmc   +2 more sources

A versatile standard for bathochromic fluorescence based on intramolecular FRET. [PDF]

open access: yes, 2011
A perylene and a terrylene tetracarboxylic bisimide dyad was prepared in which an efficient energy transfer from the former to the latter is observed. The absorption spectrum of this compound covers a broad range.
Adachi   +25 more
core   +1 more source

Bis-pseudorotaxane Formation of Perylene Bisimide-Linked [60]Fullerene Dumbbell-Like Molecules with [10]Cycloparaphenylene

open access: yesOrganic Materials, 2022
Two [60]fullerene dumbbell-like molecules with a single or double perylene-3,4,9,10-tetracarboxylic acid bisimide (PBI) linker were synthesized to study the structural and photophysical properties in addition to the complex formation with [10 ...
Iris Solymosi   +6 more
doaj   +1 more source

Photoinduced processes of functionalized perylene bisimides [PDF]

open access: yes, 2004
Photoinduced electron transfer at the interface of a donor and acceptor material is the primary step in organic solar cells in which photons are used to create free charge carriers. Because the lifetime and diffusion length of photoexcitations in organic materials is limited, efficient charge separation can only be obtained when the electron donor and ...
Neuteboom, E.E.
openaire   +4 more sources

Dyes with high dielectric constants [PDF]

open access: yes, 1988
The dielectric constants of perylene dyes, perylene-3,4: 9,10-tetracarboxylic bisimides, are reported. With aromatic substituents, dielectric constants up to 110 are obtained. With polymeric dyes, the dielectric constants rise to 260.
Langhals, Heinz
core   +1 more source

The effects of amino acid functionalisation on the optoelectronic properties and self-assembly of perylene bisimides

open access: yesJPhys Materials, 2023
Here we report on ten water-soluble perylene bisimides that are functionalised with the amino acids L-alanine, L-aspartic acid, L-glutamic acid, L-phenylalanine, L-histidine, L-leucine, L-methionine, L-valine, L-tryptophan, and L-tyrosine.
Thomas A Welsh   +7 more
doaj   +1 more source

Time-Dependent Density Matrix Renormalization Group Algorithms for Nearly Exact Absorption and Fluorescence Spectra of Molecular Aggregates at Both Zero and Finite Temperature [PDF]

open access: yes, 2018
We implement and apply time-dependent density matrix renormalization group (TD-DMRG) algorithms at zero and finite temperature to compute the linear absorption and fluorescence spectra of molecular aggregates.
Chan, Garnet Kin-Lic   +2 more
core   +3 more sources

Color–Tunable Triple–State “Smart” Window

open access: yesAdvanced Photonics Research, 2021
Materials that rapidly change their optical properties in response to external stimuli are crucial for displays and “smart” window applications. Herein, a fluorescent red dye modified with liquid crystal (LC) side chains is described to be interactive ...
Gilles H. Timmermans   +4 more
doaj   +1 more source

Molecular Devices. Chiral, Bichromophoric Silicones [PDF]

open access: yes, 2008
The interaction of chromophores is proposed as a basis for the construction of devices with high complexity.
Ganachaud, Francois, Langhals, Heinz
core   +1 more source

Observation of Two-Exciton States in Perylene Bisimide Aggregates

open access: yesEPJ Web of Conferences, 2013
The behavior of excitons on perylene bisimide aggregates is investigated at high excitation densities by femtosecond absorption spectroscopy. Indications for a significant population in the two-exciton manifold are found.
Lochbrunner S.   +3 more
doaj   +1 more source

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