Development of Donor‐π‐Acceptor‐Type Fluorinated Tolanes as Compact Condensed Phase Luminophores and Applications in Photoluminescent Liquid‐Crystalline …

S Yamada, T Konno - The Chemical Record, 2023 - Wiley Online Library
Fluorinated tolanes, produced by introducing fluorine atoms into one of the aromatic rings of
tolane, emitted almost no fluorescence in a solution state, but the fluorescence intensity …

[HTML][HTML] Development of hydrogen-bonded dimer-type photoluminescent liquid crystals of fluorinated tolanecarboxylic acid

S Yamada, M Kataoka, K Yoshida, M Nagata, T Agou… - Crystals, 2022 - mdpi.com
Functional molecules possessing photoluminescence (PL) and liquid-crystalline (LC)
behaviors, known as photoluminescent liquid crystals, along with a small molecular …

[HTML][HTML] Donor-π-acceptor-type fluorinated tolane containing a semifluoroalkoxy chain as a condensed-phase luminophore

S Yamada, K Yoshida, M Kataoka, M Hara, T Konno - Molecules, 2023 - mdpi.com
Photoluminescent liquid-crystalline (PLLC) molecules, which can easily tune the PL
behavior through the crystal (Cry)–LC phase transition, have attracted significant attention …

Development of photoluminescent liquid-crystalline dimers bearing two fluorinated tolane-based luminous mesogens

S Yamada, E Uto, K Yoshida, T Sakurai… - Journal of Molecular …, 2022 - Elsevier
Fluorinated tolane dimers consisting of two fluorinated tolanes connected by various lengths
of an alkylene tether were designed and synthesized via three reaction steps including an …

[HTML][HTML] Development of yellow-to-orange photoluminescence molecules based on alterations in the donor units of fluorinated tolanes

S Yamada, K Kobayashi, T Konno - Molecules, 2022 - mdpi.com
Since the aggregation-induced emission (AIE) phenomenon was first reported by Tang et
al., much effort has been devoted to the development of solid-state luminescent molecules …

Approach to tuned emitting color of luminescent liquid crystals with substituted fluoropyrrole acceptor unit

X Bu, D Zhu, T Liu, Y Li, S Cai, H Wang, Z Zeng - Dyes and Pigments, 2017 - Elsevier
The first N-heterocyclic LLCs based on tolane with introducing substituted fluoropyrrole, 2-
cyano-3-ethoxy-4-fluoro-1H-pyrrole (CN-OC 2 H 5), as the key acceptor unit has been …

[HTML][HTML] Fluorinated tolane dyads with alkylene linkage: synthesis and evaluation of photophysical characteristics

S Yamada, E Uto, T Agou, T Kubota, T Konno - Crystals, 2020 - mdpi.com
Light-emitting materials have received considerable attention because of their broad
applications as substrates in bio-imaging and sensing components, light-emitting displays …

Halogen atom effect of fluorinated tolanes on their luminescence characteristics

M Morita, S Yamada, T Konno - New Journal of Chemistry, 2022 - pubs.rsc.org
Halogens are the chemical elements in group 17 of the periodic table, with an electronic
configuration of s2p5. Incorporation of the halogen atoms into molecular structures is well …

Novel V-and Y-shaped light-emitting liquid crystals with pentafluorinated bistolane-based luminophores

S Yamada, T Tanaka, T Ichikawa, T Konno - ACS omega, 2019 - ACS Publications
Herein, we describe the synthesis of novel light-emitting liquid-crystalline (LC) compounds
bearing pentafluorinated bistolane-based luminophores with a V-or a Y-shaped molecular …

Adjustable 2-cyano-3, 4-difluoro-1H-pyrrole-based luminescent liquid crystals: synthesis, properties and substituent effect

M Zhang, X Bu, T Liu, W Guo, H Wang… - Journal of Molecular …, 2018 - Elsevier
A series of new tolane-based luminescence liquid crystals (LLCs) constituting of 2-cyano-3,
4-difluoro-1H-pyrrole (CN-2F) as the key molecular rigid core have been prepared in high …