Excited-state structural relaxation and exciton delocalization dynamics in linear and cyclic π-conjugated oligothiophenes
π-Conjugated oligothiophene is considered a chain segment of its polymeric counterpart,
whose size and shape can be precisely controlled. Because of its simplified structure, it is …
whose size and shape can be precisely controlled. Because of its simplified structure, it is …
Modulation of symmetry-breaking intramolecular charge-transfer dynamics assisted by pendant side chains in π-linkers in quadrupolar diketopyrrolopyrrole …
The effect of the length of pendant side chains in centrosymmetric quadrupolar molecules on
dynamics of their most perplexing photophysical phenomenon, ie, symmetry-breaking …
dynamics of their most perplexing photophysical phenomenon, ie, symmetry-breaking …
Ultrafast photophysics of multiple-resonance ultrapure blue emitters
Y Gao, Y Wang, Z Guo, Y Wan, C Li… - The Journal of …, 2022 - ACS Publications
Multiple-resonance thermally activated delayed fluorescence (MR-TADF) emitters are
becoming increasingly attractive due to their applications in high-resolution organic light …
becoming increasingly attractive due to their applications in high-resolution organic light …
Synthesis, isolation, and properties of all head-to-tail cyclic poly (3-hexylthiophene): Fully delocalized exciton over the defect-free ring polymer
T Yamamoto, M Hosokawa, M Nakamura, S Sato… - …, 2018 - ACS Publications
The synthesis of defect-free cyclic poly (3-hexylthiophene)(P3HT) was achieved for the first
time by the GRIM polymerization using an appropriate initiator, cyclization by a Pd-mediated …
time by the GRIM polymerization using an appropriate initiator, cyclization by a Pd-mediated …
Size-independent energy transfer in biomimetic nanoring complexes
Supramolecular antenna-ring complexes are of great interest due to their presence in
natural light-harvesting complexes. While such systems are known to provide benefits …
natural light-harvesting complexes. While such systems are known to provide benefits …
Reduction of Ethynylenes to Vinylenes in a Macrocyclic π-Extended Thiophene Skeleton Under McMurry Coupling Conditions
K Shirahata, M Takashika, K Hirabayashi… - The Journal of …, 2020 - ACS Publications
McMurry coupling is one of the most useful and convenient tools for the preparation of π-
conjugated molecules. However, for the synthesis of strained macrocycles containing …
conjugated molecules. However, for the synthesis of strained macrocycles containing …
Exciton coupling dynamics in syn-and anti-type β–β linked Zn (ii) porphyrin linear arrays
The photophysical properties of molecular arrays are strongly dependent on a variety of
structural factors: the constituent chromophores, dihedral angle, linkage length, linkage …
structural factors: the constituent chromophores, dihedral angle, linkage length, linkage …
Ultrafast Exciton Self‐Trapping and Delocalization in Cycloparaphenylenes: The Role of Excited‐State Symmetry in Electron‐Vibrational Coupling
Upon photon absorption, π‐conjugated organics are apt to undergo ultrafast structural
reorganization via electron‐vibrational coupling during non‐adiabatic transitions. Ultrafast …
reorganization via electron‐vibrational coupling during non‐adiabatic transitions. Ultrafast …
Chain-length-dependent exciton dynamics in linear oligothiophenes probed using ensemble and single-molecule spectroscopy
Exciton dynamics in π-conjugated molecular systems is highly susceptible to conformational
disorder. Using time-resolved and single-molecule spectroscopic techniques, the effect of …
disorder. Using time-resolved and single-molecule spectroscopic techniques, the effect of …
Defining cyclic–acyclic exciton transition at the single-molecule level: size-dependent conformational heterogeneity and exciton delocalization in ethynylene-bridged …
Conformational disorder in π-conjugated cyclic systems plays a crucial role in controlling the
extent of exciton delocalization in much the same way as that in linear counterparts …
extent of exciton delocalization in much the same way as that in linear counterparts …