Dynamics of excitons in conjugated molecules and organic semiconductor systems

OP Dimitriev - Chemical Reviews, 2022 - ACS Publications
The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

An insight into non-emissive excited states in conjugated polymers

Z Hu, AP Willard, RJ Ono, CW Bielawski… - Nature …, 2015 - nature.com
Conjugated polymers in the solid state usually exhibit low fluorescence quantum yields,
which limit their applications in many areas such as light-emitting diodes. Despite …

The impact of polydispersity and molecular weight on the order–disorder transition in poly (3-hexylthiophene)

F Panzer, H Bässler, R Lohwasser… - The journal of …, 2014 - ACS Publications
Conjugated poly (3-hexylthiophene)(P3HT) chains are known to exist at least in two distinct
conformations: a coiled phase and a better ordered aggregated phase. Employing steady …

Substitution of a hydroxamic acid anchor into the MK-2 dye for enhanced photovoltaic performance and water stability in a DSSC

C Koenigsmann, TS Ripolles, BJ Brennan… - Physical chemistry …, 2014 - pubs.rsc.org
An efficient synthetic protocol to functionalize the cyanoacrylic acid anchoring group of
commercially available MK-2 dye with a highly water-stable hydroxamate anchoring group is …

New luminescent tetracoordinate boron complexes: an in-depth experimental and theoretical characterisation and their application in OLEDs

K Paramasivam, CB Fialho, TFC Cruz… - Inorganic Chemistry …, 2021 - pubs.rsc.org
A group of new tetracoordinate mononuclear 2-(N-phenylformimino) pyrrolyl boron chelates
[BX2 {κ2N, N′-NC4H3-2-C (H) N-C6H5}](X= F 3; mesityl (2, 4, 6-trimethylphenyl, Mes) 4; …

Unexpectedly flexible graphene nanoribbons with a polyacene ladder skeleton

MT Unruh, U Scherf, H Bahmann… - Journal of Materials …, 2021 - pubs.rsc.org
A new conjugated ladder polymer with a polyacene skeleton was synthesized in a Aldol-
type condensation protocol between benzylic and aryl-ketone side groups of suitably …

Photochemistry of the hemiketal form of anthocyanins and its potential role in plant protection from UV-B radiation

D Costa, AM Galvao, RE Di Paolo, AA Freitas, JC Lima… - Tetrahedron, 2015 - Elsevier
There is presently strong evidence that anthocyanins protect plant tissues from excessive
solar radiation. In support of this, we have shown that the red flavylium form of anthocyanins …

Conformational Relaxation Dynamics of Poly (3-hexylthiophene) Photoexcited in Solution as Studied by Femtosecond Time-Resolved Stimulated Raman …

T Takaya, K Iwata - The Journal of Physical Chemistry B, 2023 - ACS Publications
When a conjugated polymer is photoexcited in solution, its effective conjugation length in the
singlet exciton state often increases through the conformational relaxation of the polymer …

Boron complexes of aromatic ring fused iminopyrrolyl ligands: synthesis, structure, and luminescence properties

D Suresh, B Ferreira, PS Lopes, CSB Gomes… - Dalton …, 2016 - pubs.rsc.org
The condensation reactions of 2-formylindole (1) or 2-formylphenanthro [9, 10-c] pyrrole (2)
with various aromatic amines afforded the corresponding phenyl or phenanthrene ring fused …

Boron complexes of aromatic 5-substituted iminopyrrolyl ligands: synthesis, structure, and luminescence properties

AI Rodrigues, CA Figueira, CSB Gomes, D Suresh… - Dalton …, 2019 - pubs.rsc.org
A group of new mononuclear boron chelate compounds [BPh2 {κ2N, N′-5-R-NC4H2-2-C
(H) N–Ar}](R= Ar= C6H57; R= C6H5, Ar= 2, 6-iPr2C6H38; R= Anthracen-9-yl (Anthr), Ar …