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2,207 Newest Publications about the topic dyes

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Effect of Surface Modification on Semiconductor Nanocrystal Fluorescence Lifetime

04-04-2011 | Ruedas‐Rama, Maria J.; Orte, Angel; Hall, Elizabeth A. H.; Alvarez‐Pez, Jose M.; Talavera, Eva M., ChemPhysChem, 2011

Abstract Semiconductor nanocrystals, namely, quantum dots (QDs), present a set of unique photoluminescence properties, which has led to increased interest in using them as advantageous alternatives to conventional organic dyes. Many applications of QDs involve surface modification to enhance ...

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Study of the influence of dopants on the crystalline perfection of ferroelectric glycine phosphite single crystals using high‐resolution X‐ray diffraction analysis

01-04-2011 | Krishnamurthy Senthil Kumar; Sridharan Moorthy Babu; G. Bhagavannarayana, Journal of Applied Crystallography, 2011

Good quality and optically transparent single crystals of pure and doped glycine phosphite (GPI) were grown by both solvent‐evaporation and temperature‐cooling techniques. Dopants were chosen in different categories, namely transition metals (Cr, Mn, Co, Ni, Zn, Mg, Cd), rare‐earth metals (Ce, ...

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Dyeing behaviours of amino heterocyclic compounds as blue oxidative hair dye precursors applied to keratin fibres

01-04-2011 | D. Li; Y. Huang; J. Su, International Journal of Cosmetic Science, 2011

Synopsis Several novel heterocyclic compounds based on 1,2,3,4‐tetrahydroquinoline and 2,3‐dihydroindole have been investigated for their application of colour keratin fibres as blue oxidative dye precursors, especially to human hair. The colourants we studied contained anyone of these dyes ...

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Co‐Doped Hardystonite, Ca2(Zn,Co)Si2O7, a New Blue Ceramic Pigment

01-04-2011 | Dondi, Michele; Zanelli, Chiara; Ardit, Matteo; Cruciani, Giuseppe, Journal of the American Ceramic Society, 2011

Raising cost, limited reserves, and toxicity make a pressing need to reduce the consumption of cobalt in the ceramic industry, trying to improve efficiency and sustainability of pigments. A novel blue colorant, based on the melilite structure, has been developed by searching for a ceramic ...

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SUCROSE INVERSION OF HARD CANDIES FORMULATED WITH REWORK SYRUP WITH ADDITION OF SODIUM LACTATE

01-04-2011 | NADALETTI, MICHELE; DI LUCCIO, MARCO; CICHOSKI, ALEXANDRE JOSÉ, Journal of Food Process Engineering, 2011

ABSTRACT This work investigated the use of rework syrup with addition of sodium lactate in hard candy manufacturing, following the inversion of sucrose in hard candies where 10% of the glucose syrup of the formulation was substituted by the rework syrup. Moisture, mass net gain, water activity ...

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Removal of methylene blue from coloured effluents by adsorption onto SBA‐15

01-04-2011 | Dong, Yanling; Lu, Bin; Zang, Shuying; Zhao, Jingxiang; Wang, Xiaoguang; Cai, Qinghai, Journal of Chemical Technology & Biotechnology, 2011

Abstract Adsorption has been proven to be the most efficient method for quickly lowering the concentration of dissolved dyes in an effluent. In this regard, activated carbon is the most widely used adsorbent for removal of dyes from aqueous solution. However, the high cost of production and ...

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Bioelectrochemical systems for efficient recalcitrant wastes treatment

01-04-2011 | Huang, Liping; Cheng, Shaoan; Chen, Guohua, Journal of Chemical Technology & Biotechnology, 2011

Abstract Recalcitrant wastes including dyes, pesticides, explosives, heavy metals, polyalcohols, furan derivatives and phenolic substances, are of special concern owing to their recalcitrance and persistence in the environment. Bioelectrochemical systems (BESs) including microbial fuel cells ...

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Strongly Phosphorescent Iridium(III)–Porphyrins – New Oxygen Indicators with Tuneable Photophysical Properties and Functionalities

01-04-2011 | Koren, Klaus; Borisov, Sergey M.; Saf, Robert; Klimant, Ingo, European Journal of Inorganic Chemistry, 2011

Abstract Synthesis and characterization of four iridium(III)–octaethylporphyrins and a π‐extended iridium(III)–benzoporphyrin are presented. Strong room‐temperature phosphorescence was observed for all of the complexes with quantum yields of up to 30 %. Axial ligands were introduced to tune the ...

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Strategies for Optimizing the Performance of Cyclometalated Ruthenium Sensitizers for Dye‐Sensitized Solar Cells

01-04-2011 | Bomben, Paolo G.; Thériault, Kim D.; Berlinguette, Curtis P., European Journal of Inorganic Chemistry, 2011

Abstract Pursuant to our goal of optimizing the performance of cyclometalated Ru sensitizers in the dye‐sensitized solar cell (DSSC), the physicochemical properties of a series of tris‐heteroleptic RuII complexes are reported. Each of these complexes contains a metal ligated by: (i) a bidentate ...

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Molecular engineering and theoretical investigation of organic sensitizers based on indoline dyes for quasi-solid state dye-sensitized solar cells

01-04-2011 | Bo Liu; Wenjun Wu; Xiaoyan Li; Lei Li; Shaofu Guo; Xiaoru Wei; Weihong Zhu; Qingbin Liu, Physical Chemistry Chemical Physics, 2011

Novel indoline dyes, I-1–I-4, with structural modification of π-linker group in the D-π-A system have been synthesized and fully characterized. Molecular engineering through expanding the π-linker segment has been performed. The ground and excited state properties of the dyes have been studied by ...

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