Dithienylethene是什么
WebApr 28, 2024 · The development of novel dithienylethene-based fluorescence switches in the aggregated state, and the solid state is highly desirable for potential application in the fields of optoelectronics and … WebMay 20, 2024 · dithienylethene 1 exhibited solvent-dependent photochromic Figure 1. (a) Normalized UV-Vis absorption spectra of dithienylethene 1 in different solvents (2.0 × 10 −5 mol/L), (b) normalized fluorescence emission spectra of dithienylethene 1 (λ ex = 462–478 nm) in different solvents (2.0 × 10 −5 mol/L), (c) the corresponding
Dithienylethene是什么
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WebApr 28, 2024 · Dithienylethene (DTE), a family of classic P-type-photochromic compounds, can be reversibly transformed between ring-open and ring-closed isomers by photoirradiation, which is appealing for optical switching of fluorescence on account of high thermal stability, rapid response, ... 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 the dithienylethene ...
WebAug 1, 2024 · Two novel dithienylethenes were obtained by appending triphenylethene and BF 2 bdk moieties at the termini of dithienylethene unit (TDBB and TDTB), in which BF 2 bdk group not only functions as electron acceptor (A) but also responds to volatile organic amines. Only TDBB displayed excellent visible light-triggered photochromism and …
WebApr 28, 2024 · Dithienylethene (DTE), a family of classic P-type-photochromic compounds, can be reversibly transformed between ring-open and ring-closed isomers by … 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 …
WebJun 1, 2002 · Dithienylethenes with low decoloration quantum yields and thermal reversibility at high temperature above 100 °C were prepared. …
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 ... grotewolds carpet stationWebMar 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 … grote wireless trailer lightsWebPhotochromic 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 … filing for bankruptcy in missouriWebApr 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 ... filing for bankruptcy in south carolinaWebAbstract. 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 … gro texas standardsWebApr 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 … filing for bankruptcy in ontario canadaWebDithienylethene molecular switch. Ortho-substitution of the aromatic units results in a stabilization against oxidation, but the closed-ring form still has a low thermodynamic … filing for bankruptcy in south africa