Showing papers in "Dyes and Pigments in 2011"

TL;DR: In this article, a series of it-conjugated organic dyes (HKK-BTZ1, HKK- BTZ2, hKKBTZ3, and hKK -BTZ4) were synthesized for the use in dye-sensitized solar cells (DSSCs).

TL;DR: In this paper, the effect of a tannins-based mordant (the galls of Quercus infectoria) on UV-protection capacity was also tested.

TL;DR: In this paper, a series of coumarin dyes containing a lowband-gap chromophore of ethylenedioxythiophene (EDOT) was developed for use in dye-sensitised solar cells (DSSCs).

TL;DR: In this paper, a novel fluorescein derivative, synthesized by the reaction of fluorscein hydrazide and 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone, was evaluated as a chemoselective metal ion sensor.

TL;DR: A colorimetric chemosensor TBS-NA, 4-(tert-butyldimethylsilyloxy)-N-butyl-naphthalimide was designed and synthesized as discussed by the authors.

TL;DR: In this paper, two series of novel thermally stable second-order nonlinear optical and photochromic chromophores have been designed and synthesized, which act simultaneously as π-conjugated bridges, together with diazoaryl or diazothiazolyl as acceptor moieties.

TL;DR: In this article, two tetraester- and PAMAM-branched perylene diimides were synthesized and configured as "fluorophore-spacer-receptor" systems based on photoinduced electron transfer.

TL;DR: In this article, a series of N -heteroaryl-1,8-naphthalimides with good sensitivity to solvent polarity were used to determine the water content in six common solvents (p -dioxane, tetrahydrofuran, acetone, dimethylformamide, acetonitrile and methanol).

TL;DR: In this paper, the authors describe a near-infrared reflective pigments based on yttrium molybdate doped with metal ions such as Si 4+ or Pr 4+ and the coloring mechanism is based on the introduction of an additional 4f 1 electron energy level between the valence and conduction bands.

TL;DR: A detailed study of the action of alkali on methylene blue and other thiazine dyes was carried out through a combination of UV/visible spectroscopy, thin layer chromatography, mass and NMR spectrometry and computational methods.

TL;DR: In this paper, a novel fluorescent sensor based on thiooxorhodamine B has been prepared to detect Hg 2+ in aqueous buffer solution, which demonstrates high selectivity for sensing Hg2+ with about 383-fold enhancement in fluorescence emission intensity and micromolar sensitivity.

TL;DR: In this article, a colorimetric and "turn-on" fluorescent chemosensor Rho-Fe3O4@SiO2 for Hg2+ in which N-(rhodamine-6G)lactam-ethylenediamine (Rho-en) is conjugated with the magnetic core-shell Fe3O2 NPs has been strategically designed and synthesized.

TL;DR: In this paper, the photophysical properties of two novel, yellow-green emitting pH chemosensors, namely a 1,8-naphthalimide dye and its condensed heterocyclic derivative, as a function of pH were investigated in water/ethanol.

TL;DR: In this paper, a triazole-linked acetyl-β-N -glucosyl anthraquinone 1 was conveniently synthesized through one-step click chemistry, which exhibited a remarkable blue shift absorption and quenching fluorescence in the presence of trace amounts of Cu 2+, presumably attributable to intramolecular charge transfer (ICT).

TL;DR: In this article, the synthesis and characterization of zinc phthalocyanine derivatives, tetra- (non-peripheral, 5) and octa-parallel, 6) substituted with 2-mercaptopyridine and their respective quaternized derivatives (8 and 9) are reported.

TL;DR: In this paper, three series of bithiophene azo dyes functionalized with thiazol-2-yl or benzothiazol 2-yl-diazene acceptor moieties were synthesized through azo coupling reaction using 2,2′-bithiophenes, 5-alkoxy-2,2.

TL;DR: A series of aggregation-induced emission enhancement derivatives from bis(triphenylethylene) with strong blue-light-emitting properties and high thermal stability have been synthesized as mentioned in this paper.

TL;DR: In this article, a series of coumarin dyes (3, 12) were designed and synthesized, and the structures of the dyes were characterized by IR, 1H NMR, 13C NMR and 19F NMR using single crystal X-ray diffraction.

TL;DR: In this paper, a photochromic diarylethene dyad based on perylene diimide (PDI-DTE) was synthesized, which can be potentially applied to anti-counterfeiting technology.

TL;DR: A sulfonyl rhodamine hydrazide chemodosimeter displayed highly selective and sensitive recognition of Cu2+ in aqueous media, via colour change from colorless to pink as mentioned in this paper.

TL;DR: In this article, a novel Zn phthalocyanine substituted with four dimethylaminocinnamaldiminophenyloxy substituents at peripheral positions was obtained by the condensation of various 4′-aminophenoxy substituted phTHCyanines and 4-(dimethylamino)cinnamaldehyde.

TL;DR: In this article, a rhodamine-based fluorogenic probe bearing the quinaldine unit (L1) was developed as a turn-on fluorescent chemosensor for Cu2+, and comparable amplifications of absorption and fluorescence signals were observed, suggesting that chemosener L1 effectively avoided the fluorescence quenching caused by the paramagnetic nature of Cu2+.

TL;DR: In this paper, a bipolar compound containing anthracene-based triarylamine donor and cyanoacrylic acid acceptor was synthesized and characterized by electro-optical measurements.

TL;DR: In this article, the BODIPY fluorophore was transformed into its corresponding 4,4-dimethyl, 4, 4-dimethoxy and 4.4-diphenyl analogues using 11B NMR spectroscopy.

TL;DR: In this article, the adsorption of octakis(2-trimethylammoniumethylsulfanyl)-porphyrazinatocobalt]-octaiodide from aqueous solution onto negatively charged sepiolite is investigated.

TL;DR: In this article, a temperature sensor based on polydiacetylene, displayed colorimetrically reversible properties in the range of 30°C and 70°C in solution.

TL;DR: In this article, the solvatochromic behavior of novel carbazole containing dyes obtained by the condensation of 9-ethyl-9H-carbazole-3 carboxaldehyde and 9ethyl- 9H- carbazoles-3,6-dicarboxaldehyde with (1-phenylethylidene) propanedinitrile and ethyl-2-cyano-3-phenyl- 2-butenoate are described.

TL;DR: In this paper, three thermally stable red dyes of azo, quinacridone and perylene derivatives were synthesized and dye-based color filters were manufactured for use in liquid crystal displays.

TL;DR: In this article, the binding site of a bearing triazole binding site was used as a selective fluorescent and colorimetric sensor for Hg 2+ in aqueous solution.

TL;DR: In this article, six soluble derivatives of 3,6-diphenyl-2,5-dihydro-pyrrolo[3,4- c ]pyrrole-1,4dione N -alkylated on pyrrolinone ring with polar substituents in para positions of pendant phenyl rings were synthesized; five of them were reported for the first time.