Optically Induced Ferroelectric Polarization Switching in a Molecular Ferroelectric with Reversible Photoisomerization.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced science"
DOI: 10.1002/advs.202102614
Abstract: Ferroelectrics usually exhibit temperature-triggered structural changes, which play crucial roles in controlling their physical properties. However, although light is very striking as a non-contact, non-destructive, and remotely controlled external stimuli, ferroelectric crystals with light-triggered structural… read more here.
Keywords: structural changes; molecular ferroelectric; photoisomerization; polarization ... See more keywords
Quantum dynamics of multi-dimensional rhodopsin photoisomerization models: Approximate versus accurate treatment of the secondary modes
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Physics"
DOI: 10.1016/j.chemphys.2018.07.052
Abstract: Abstract We numerically investigate the quantum dynamics of the high-dimensional rhodopsin photoisomerization models of Hahn and Stock using the multi-layer multi-configuration time-dependent Hartree (ML-MCTDH) method. The original two-state two-mode model is augmented with additional Raman-active… read more here.
Keywords: rhodopsin photoisomerization; dimensional rhodopsin; photoisomerization; photoisomerization models ... See more keywords
Reversible ON-OFF switching of FRET effect in the functionalized CB[6]-guest complex via photoisomerization
Sign Up to like & getrecommendations! Published in 2021 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2021.109194
Abstract: Abstract Host-guest complexation of amino-substituted styryl dye in basic (ASP) and protonated (ASPH+) forms with cucurbit[6]uril functionalized with naphthalene fluorophore (CB[6]-Nap) was used to obtained photoresponsive supramolecular systems with fluorescence resonance energy transfer (FRET) effect.… read more here.
Keywords: fret effect; spectroscopy; guest complex; photoisomerization ... See more keywords
Insights into unexpected photoisomerization from photooxidation of tribromoacetic acid in aqueous environment using ultrafast spectroscopy.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2021.126214
Abstract: Haloacetic acids are carcinogenic disinfection by-products (DPBs) and their photo-decomposition pathways, especially for those containing bromine and iodine, are not fully understood. In this study, femtosecond transient absorption (fs-TA) spectroscopy experiments were introduced for the… read more here.
Keywords: insights unexpected; iso tbaa; water; photoisomerization ... See more keywords
Emission Switching in the Near-Infrared by Reversible Trans-Cis Photoisomerization of Styrylbenzene-Conjugated Osmium Terpyridine Complexes.
Sign Up to like & getrecommendations! Published in 2021 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c03788
Abstract: A new array of homoleptic osmium(II) complexes based on styrylbenzene-conjugated terpyridine ligands (tpy-pvp-X) were synthesized and their photophysical, electrochemical, and photoisomerization behaviors thoroughly investigated in this work. Both electron-donating and -withdrawing substituents were incorporated onto… read more here.
Keywords: styrylbenzene conjugated; photoisomerization; near infrared; trans cis ... See more keywords
Synthesis, Structural Characterization, and Luminescence Switching of Diarylethene-Conjugated Ru(II)-Terpyridine Complexes by trans-cis Photoisomerization: Experimental and DFT/TD-DFT Investigation.
Sign Up to like & getrecommendations! Published in 2018 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.7b03096
Abstract: We synthesized and thoroughly characterized a new family of diarylethene-conjugated mononuclear Ru(II)-terpyridine complexes and investigated in detail their photophysical, electrochemical, and spectroelectrochemical behaviors. Interestingly, the compounds show moderately strong room-temperature luminescence predominantly from their 3MLCT… read more here.
Keywords: dft; photoisomerization; trans cis; luminescence ... See more keywords
Electromagnetic Field of Plasmonic Nanoparticles Extends the Photoisomerization Lifetime of Azobenzene
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.7b06320
Abstract: The thermodynamically stable azobenzene trans conformation photoisomerizes to the cis form on an ultrashort time scale when photoirradiated with photons of sufficient energy. Irradiating p,p′-dimercaptoazobenzene (DMAB) adsorbed on the surface of plasmonic nanoparticles with a… read more here.
Keywords: electromagnetic field; photoisomerization; field plasmonic; plasmonic nanoparticles ... See more keywords
Comparing Photoactuation of an Azobenzene-Doped Nematic Liquid Crystal Polymer through Its Activation Mechanism: Trans–Cis–Trans Reorientation and Photoisomerization
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.7b12184
Abstract: We compare the actuation speeds of the azobenzene-doped nematic liquid crystal polymer (azo-LCP) by examining its activation mechanisms: photoisomerization and trans–cis–trans reorientation (TCTR) (also known as Weigert effect). Both experiments and modeling are carried out… read more here.
Keywords: nematic liquid; azobenzene doped; photoisomerization; doped nematic ... See more keywords
Photoisomerization of DiD: Molecular Dynamics Calculations Reveal the Influence of Tail Lengths
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.9b10322
Abstract: The photoisomerization scheme of the cyanine based DiD probe was investigated by means of molecular modeling techniques, accounting for differences between the potential energy surfaces in the ground and excited states. Starting from the trans… read more here.
Keywords: state; molecular dynamics; photoisomerization; dynamics calculations ... See more keywords
Photothermally Driven High-Speed Crystal Actuation and Its Simulation.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c03588
Abstract: Mechanically responsive crystals have been increasingly explored, mainly based on photoisomerization. However, photoisomerization has some disadvantages for crystal actuation, such as a slow actuation speed, no actuation of thick crystals, and a narrow wavelength range.… read more here.
Keywords: photoisomerization; actuation simulation; crystal actuation; speed ... See more keywords
Photomechanical materials driven by photoisomerization or photodimerization
Sign Up to like & getrecommendations! Published in 2020 at "Polymer Journal"
DOI: 10.1038/s41428-020-0367-0
Abstract: Light is an adjustable, multiparameter stimulus that can be used for fine, noncontact manipulation or as an energy supply. Recently, deformable light-controlled macroscopic materials have gained attention both from a fundamental research perspective and for… read more here.
Keywords: materials driven; photoisomerization photodimerization; photoisomerization; driven photoisomerization ... See more keywords