Results 51 to 60 of about 2,599 (210)

Polymerization of a Photochromic Diarylethene by Friedel−Crafts Alkylation

open access: yes, 2016
Polymerization of a Photochromic Diarylethene by Friedel−Crafts ...
Eunkyoung Kim (705820)   +4 more
core   +1 more source

Near Infrared Photoswitching by Direct Excitation—A Next Frontier

open access: yesAngewandte Chemie International Edition, EarlyView.
Molecular photoswitches finally enter the spectral realm of near‐infrared for their direct excitation. This minireview summarizes the current state‐of‐the‐art, the design principles for achieving such low‐energy light responsiveness, and the unique applications that are unlocked by it.
Diptiprava Sahoo   +2 more
wiley   +1 more source

Click chemistry towards thermally reversible photochromic 4,5-bisthiazolyl-1,2,3-triazoles

open access: yesBeilstein Journal of Organic Chemistry, 2019
Three new diarylethenes were synthesized from 1,2-bis(5-methyl-2-(4-substituted-phenyl)thiazol-4-yl)ethyne and benzyl azide through Ru(I)-catalyzed Huisgen cyclization reactions.
Chenxia Zhang   +4 more
doaj   +1 more source

Fluorescence On/Off Switching in Polymers Bearing Diarylethene and Fluorene in Their Side Chains

open access: yes, 2017
A diarylethene–fluorene dyad connected by an ester bond (DE-FL) and random and alternative copolymers with diarylethene and fluorene moieties in their side chains (poly­(DE1x-co-FL1y) and poly­(DE1-alt-FL2)) were synthesized, and their fluorescence on ...
Hiroshi Miyasaka (1510582)   +5 more
core   +1 more source

The role of alkyl substituents in deazaadenine-based diarylethene photoswitches

open access: yesBeilstein Journal of Organic Chemistry, 2016
Diarylethenes are an important class of reversible photoswitches and often claimed to require two alkyl substituents at the carbon atoms between which the bond is formed or broken in the electrocyclic rearrangement.
Christopher Sarter   +2 more
doaj   +1 more source

High Fatigue‐Resistant Photoswitches Based on iridium(III)‐DTE Systems

open access: yesChemistry – A European Journal, EarlyView.
Coordination to iridium(III) enhances fatigue resistance over multiple photoswitching cycles in diarylethenes. This metal coordination modulates photoresponse relative to the free ligands under identical irradiation conditions, opening new avenues for practical applications.'' ABSTRACT A series of four differently substituted nonsymmetrical ...
Ariadna Pazos   +6 more
wiley   +1 more source

Photochromism of diarylethene molecules and crystals

open access: yesProceedings of the Japan Academy, Series B, 2010
Photochromism is defined as a reversible transformation of a chemical species between two isomers upon photoirradiation. Although vast numbers of photochromic molecules have been so far reported, photochromic molecules which exhibit thermally irreversible photochromic reactivity are limited to a few examples.
openaire   +3 more sources

Thermal Spin Transport Properties in Diarylethene-Based Molecule Devices

open access: yesAdvances in Condensed Matter Physics, 2022
Spin caloritronic devices, as multifunctional devices, combining spintronics, and caloritronics, are essential for the sustainable development of humans.
Gang Xu, Xingyi Tan, Dahua Ren
doaj   +1 more source

Synthesis and Characterization of Hemiindigo‐Based Glycoside and Glycomacrocycle

open access: yesChemistry – A European Journal, EarlyView.
Glycosyl hemiindigos: we have synthesized hemiindigo‐functionalized glycoside and glycomacrocycle which are photoswitchable under visible light irradiation with high photoconversion yield and fluorescence emission property in acetonitrile. The conformational constrained glycomacrocycle displayed more efficient photoisomerization.
Guilhem Fontaine   +4 more
wiley   +1 more source

1,2-Bis[5-(4-cyanophenyl)-2-methyl-3-thienyl]-3,3,4,4,5,5-hexafluorocyclopent-1-ene: a photochromic diarylethene compound

open access: yesActa Crystallographica Section E, 2008
The molecules of the title compound, C29H16F6N2S2, a photochromic dithienylethene with 4-cyanophenyl substituents, adopt an antiparallel arrangement that is reponsible for photoactivity. The molecule lies on a twofold rotation axis.
Tianshe Yang   +4 more
doaj   +1 more source

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