Two-layer molecular rotors: A zinc dimer rotating over planar hypercoordinate motifs.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of computational chemistry"
DOI: 10.1002/jcc.26871
Abstract: Multi-layer molecular rotors represent a class of unique combination of topology and bonding, featuring a barrier-free rotation of one layer with respect to other layers. This emerging fluxional behavior has been found in a few… read more here.
Keywords: two layer; planar hypercoordinate; hypercoordinate motifs; layer ... See more keywords
Synthesis, photophysical, viscosity and DFT study of solid state fluorescent molecular rotors
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Photochemistry and Photobiology A: Chemistry"
DOI: 10.1016/j.jphotochem.2018.11.027
Abstract: Abstract Four novel Fluorescent Molecular Rotors (FMR) (1, 2, 3, 4) comprising carbazole, triphenylamine, phenothiazine, diethylaniline as donating groups and cyanoformyl vinylene as an accepting group are synthesized and characterized by NMR. They show emission… read more here.
Keywords: fluorescent molecular; viscosity; molecular rotors; solid state ... See more keywords
Fast motion of molecular rotors in metal–organic framework struts at very low temperatures
Sign Up to like & getrecommendations! Published in 2020 at "Nature Chemistry"
DOI: 10.1038/s41557-020-0495-3
Abstract: The solid state is typically not well suited to sustaining fast molecular motion, but in recent years a variety of molecular machines, switches and rotors have been successfully engineered within porous crystals and on surfaces.… read more here.
Keywords: low temperatures; molecular rotors; metal organic; organic framework ... See more keywords
Photophysical properties of some novel tetraphenylimidazole derived BODIPY based fluorescent molecular rotors.
Sign Up to like & getrecommendations! Published in 2019 at "Dalton transactions"
DOI: 10.1039/c9dt04177j
Abstract: The strategic design, synthesis and thorough characterization of four novel hydroxyl-substituted tetraphenylimidazole (HPI) based boron dipyrromethene (BODIPY) fluorophores (HPIB1-HPIB4) have been reported. Single crystal X-ray structure determination unveiled non-planar twisted orientations for these molecules. The… read more here.
Keywords: fluorescent molecular; tetraphenylimidazole derived; novel tetraphenylimidazole; molecular rotors ... See more keywords
Optimising molecular rotors to AIE fluorophores for mitochondria uptake and retention.
Sign Up to like & getrecommendations! Published in 2020 at "Chemical communications"
DOI: 10.1039/d0cc06411d
Abstract: Molecular rotors exhibit fluorescence enhancement in a confined environment and thus have been used extensively in biological imaging. However, many molecular rotors suffer from small Stokes shift and self-aggregation caused quenching. In this work, we… read more here.
Keywords: optimising molecular; rotors aie; uptake retention; molecular rotors ... See more keywords
Stimuli-responsive luminescent bithiophene-dicarbaldehyde molecular rotors by hydrogen bonding
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Chemistry C"
DOI: 10.1039/d0tc03651j
Abstract: The strategy of controlling the rotation of molecular rotors by hydrogen bonding in the excited state to construct stimuli-responsive luminescent materials (SRLMs) has been proposed. Two bithiophene-dicarbaldehyde rotors, 2T3C and 2T5C, are synthesized to confirm… read more here.
Keywords: state; bithiophene dicarbaldehyde; rotors hydrogen; stimuli responsive ... See more keywords
Electrostatically-gated molecular rotors.
Sign Up to like & getrecommendations! Published in 2022 at "Chemical communications"
DOI: 10.1039/d2cc00512c
Abstract: The ability to control molecular-scale motion using electrostatic interactions was demonstrated using an N-phenylsuccinimide molecular rotor with an electrostatic pyridyl-gate. Protonation of the pyridal-gate forms stabilizing electrostatic interactions in the transition state of the bond… read more here.
Keywords: electrostatically gated; gated molecular; rotation; electrostatic interactions ... See more keywords
On the impossibility of localised states for molecular rotors with cyclic potentials
Sign Up to like & getrecommendations! Published in 2018 at "Molecular Physics"
DOI: 10.1080/00268976.2018.1473651
Abstract: We discover a surprising property of an important class of molecular rotors. These rotors have one (e.g. a methyl group) or two (e.g. the planar boron rotor ) moieties that consist of identical nuclei rotating… read more here.
Keywords: rotors cyclic; localised states; states molecular; impossibility localised ... See more keywords
Potential applications of luminescent molecular rotors in food science and engineering
Sign Up to like & getrecommendations! Published in 2018 at "Critical Reviews in Food Science and Nutrition"
DOI: 10.1080/10408398.2017.1278583
Abstract: ABSTRACT Fluorescent molecular rotors (MRs) are compounds whose emission is modulated by segmental mobility; photoexcitation generates a locally excited (LE), planar state that can relax either by radiative decay (emission of a photon) or by… read more here.
Keywords: state; food science; molecular rotors; potential applications ... See more keywords
Ready Access to Molecular Rotors Based on Boron Dipyrromethene Dyes-Coumarin Dyads Featuring Broadband Absorption
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25040781
Abstract: Herein we report on a straightforward access method for boron dipyrromethene dyes (BODIPYs)-coumarin hybrids linked through their respective 8- and 6- positions, with wide functionalization of the coumarin fragment, using salicylaldehyde as a versatile building… read more here.
Keywords: broadband absorption; boron dipyrromethene; dipyrromethene dyes; molecular rotors ... See more keywords
Fluorescent Molecular Rotors Based on Hinged Anthracene Carboxyimides
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28073217
Abstract: Temperature and viscosity are essential parameters in medicine, environmental science, smart materials, and biology. However, few fluorescent sensor publications mention the direct relationship between temperature and viscosity. Three anthracene carboxyimide-based fluorescent molecular rotors, 1DiAC∙Cl, 2DiAC∙Cl,… read more here.
Keywords: hinged anthracene; based hinged; fluorescent molecular; viscosity ... See more keywords