Dithienylethene是什么
WebPhotochromic properties of dithienylethene 1 The photochromic behaviour of dithienylethene induced by 1 photo-irradiation in dimethyl sulfoxide (DMSO) was investigated at room temperature. As shown in Fig. 1A, the absorption maximum of dithienylethene was observed at 346nm 1 (ε = 2.57 × 104 L mol−1 cm−1) as a result of … WebA novel chloro- and BF 2 bdk-substituted dithienylethene derivative, in which a chlorine atom and a difluoroboron β-diketonate (BF 2 bdk) group are appended at the termini of …
Dithienylethene是什么
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WebApr 1, 2015 · As shown in Fig. 3 A, dithienylethene Ib exhibited an obvious emission at 422 nm with a fluorescence quantum yield of φ f 0.195 using quinoline sulfate (φ f = 0.55, in … WebMar 29, 2024 · Abstract. We have designed and synthesized an amphiphilic photoswitchable fluorophore, PEGylated perylenemonoimide-dithienylethene (PEG-PMI-DTE), which exhibits evident bistable photochromism, fluorescence switching, and fatigue resistance. The fine nanostructures of liposomes can be observed directly under super-resolution …
WebApr 1, 2015 · Therefore, it is an attractive synthetic challenge to utilize a dithienylethene-functionalized carboxylic acid as the nucleophile in the one pot Ugi reaction with an amine, aldehyde and isocyanide. Herein, we have designed and synthesized a series of novel dithienylethene derivatives I and II with different aromatic carbons using a four ... WebThe open form of porphyrinic dithienylethene, DTEo-TPP, phosphoresces at 650-720 nm with slight varying intensities when excited throughout the UV-Vis region. Figure 3 illustrates that the open form of DTE-TPP emits high fluorescence intensity at 651 and 715 nm when induced at 530 nm. Irradiation of DTEo-TPP at 254 nm produced the ring-closed ...
WebDec 9, 2010 · The synthesis of newly designed photochromic dithienylethene-containing ethynylthiophene and ethynylthieno[3,2-b]thiophene has been described, and their incorporation as versatile ligands into the platinum(II) phosphine system was demonstrated. All platinum(II) complexes have been successfully characterized by 1H and 31P NMR … WebApr 26, 2010 · Dinuclear acetylide-type complexes bridged by a photochromic dithienylethene unit (DTE), [Y-C[triple bond]C-DTE-C[triple bond]C-Y] 1 (Y={MCp*(dppe)}; Cp*=pentamethylcyclopentadienyl, M=Fe (1(Fe)), Ru (1(Ru))), have been prepared, and their wirelike and switching behavior, as well as their oxidation chemistry has been …
WebAug 10, 2024 · We develop two donor–acceptor copolymers based on a fluorinated dithienylethene building block, namely PNFDTE1 and PNFDTE2, in which naphthalenediimide (NDI) acts as an acceptor unit. Thermogravimetric analysis displayed both copolymers having good thermal stability with high decomposition temperatures …
WebJun 1, 2024 · Dithienylethene-based donor-π-acceptor photochromic dyes were synthesized to investigate the effect of the structure on photo-switching properties. Specifically, 3,5-dimethoxyphenyl and 4,4′-tert-butyltriphenylamino groups (donors) and benzoic and cyanoacetic acid groups (acceptors) were attached to an oxazole-based … how much milk can one cow produceWebAbstract. In order to compare the photochromic properties between the shoulder coupled and the head coupled dithienylethene ruthenium complexes, a ruthenium complex (2o) with dithienylethene-ethynylthiophene was synthesized.Complex 2o displays multistates through light irradiation and a reversible redox process, but the photocyclization … how much milk can a woman produceWebSep 28, 2016 · A series of photochromic dithienylethene incorporated with phenol (DTE1), catechol (DTE2), azophenol (DTE3) groups was synthesized and characterized by … how do i make my purchases private on ebay