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2,820 Newest Publications about the topic dyes


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Visible Light‐Induced Atom Transfer Radical Polymerization

29-May-2012 | Mehmet Atilla Tasdelen, Mustafa Ciftci, Yusuf Yagci, Macromolecular Chemistry and Physics, 2012

Abstract Visible light‐induced reverse and simultaneous reverse and normal initiation (SR&NI) atom transfer radical polymerizations of vinyl monomers are examined using various dyes and type I photoinitiators. The effect of photoinitiator types on the control of molecular weight and ...


Porphyrins in Bio-inspired Transformations: Light-Harvesting to Solar Cell

28-May-2012 | Manas K. Panda, Kalliopi Ladomenou, Athanassios G. Coutsolelos, Coordination Chemistry Reviews, 2012

Almost two decades after the outstanding X-ray crystallographic studies of light-harvesting antenna complex LH2 of the photosynthetic bacterium Rhodopseudomonas acidophila, a plethora of artificial mimics have been developed. It is well known that, in green plants, sophisticated self-assembled ...


The Synthesis and FTIR, Kinetics and TG/DTG/DTA Study of Inter Penetrating Polymer Networks (IPNs) Derived from Polyurethanes of Glycerol Modified Castor Oil and Cardanol Based Dyes

24-May-2012 | S. Biswal, J. R. Satapathy, P. G. R. Achary, N. C. Pal, Journal of Polymers and the Environment, 2012

Interpenetrating polymer networks from agricultural products such as glycerol modified castor oil polyurethanes and cardanol based dyes have not been extensively studied so far. Such polymers were synthesized using benzoyl peroxide as initiator and ethylene glycol dimethacrylate as cross-linker. ...


Biosorption of hazardous textile dyes from aqueous solutions by hen feathers: Batch and column studies

24-May-2012 | Sagnik Chakraborty, Shamik Chowdhury, Papita Das Saha, Korean Journal of Chemical Engineering, 2012

The biosorption potential of hen feathers (HFs) to remove hazardous textile dyes, namely congo red (CR) and crystal violet (CV), from their aqueous solutions was investigated in batch and dynamic flow modes of operation. The effect of biosorption process parameters such as solution pH, initial ...


A new fluorescent and colorimetric probe for Cu2+ in live cells

24-May-2012 | Wei-Yong Liu; Hai-Ying Li; Bao-Xiang Zhao; Jun-Ying Miao, Analyst, 2012

Based on a change in structure between spirocyclic (non-fluorescent) and ring-open (fluorescent) forms of rhodamine-based dyes, a new fluorescent and colorimetric Cu2+ probe was designed and synthesized. Upon treatment with Cu2+, the weakly fluorescent probe exhibited a strong fluorescence ...


Efficient dyeing of silica fiber using metal‐coordinated polymeric dye rotaxane

24-May-2012 | Dong Han Kim, Hye Jin Zo, Jong S. Park, Journal of Applied Polymer Science, 2012

Abstract We prepared an azo dye rotaxane and its polymeric metal complex and successfully demonstrated their useful application for dyeing silica fiber, which exhibited high‐color strength and fairly good color fastness. These benefits were made possible by the hydrogen bonding between SiO2 and ...


Photoactive behavior of polyacrylonitrile fibers based on silver and zirconium co‐doped titania nanocomposites: Synthesis, characterization, and comparative study of solid‐phase photocatalytic self‐cleaning

23-May-2012 | Hadi Fallah Moafi, Abdollah Fallah Shojaie, Mohammad Ali Zanjanchi, Journal of Applied Polymer Science, 2012

Abstract Silver and zirconium co‐doped and mono‐doped titania nanocomposites were synthesized and deposited onto polyacrylonitrile fibers via sol–gel dip‐coating method. The resulted coated‐fibers were characterized by X‐ray diffraction (XRD), scanning electron microscopy, energy dispersive ...


Influence of Solvent and Bridge Structure in Alkylthio‐Substituted Triphenylamine Dyes on the Photovoltaic Properties of Dye‐Sensitized Solar Cells

23-May-2012 | Chun Sakong, Se Hun Kim, Sim Bum Yuk, Jin Woong Namgoong, Se Woong Park, Min Jae Ko, Dong Hoe Kim, Kug Sun Hong, Jae ..., Chemistry - An Asian Journal, 2012

Abstract Three new triphenylamine dyes that contain alkylthio‐substituted thiophenes with a low bandgap as a π‐conjugated bridge unit were designed and synthesized for organic dye‐sensitized solar cells (DSSCs). The effects of the structural differences in terms of the position, number, and ...


The Effects of Substituents and Solvents on the Ground‐State π‐Electronic Structure and Electronic Absorption Spectra of a Series of Model Merocyanine Dyes and Their Theoretical Interpretation

23-May-2012 | Heinz Mustroph, Knut Reiner, Bianca Senns, Jürgen Mistol, Steffen Ernst, Dietmar Keil, Lothar Hennig, Chemistry - A European Journal, 2012

Abstract Two series of new merocyanine dyes have been synthesised and the dependence of their electronic structure on substituents and solvents has been studied by NMR spectroscopy, by using both the NMR 13C chemical shifts between adjacent C atoms in the polymethine chain and the 3J(H,H) ...


Active media based on SiO2 matrices with incorporated molecules of rhodamine dyes

23-May-2012 | Igor Pritula, Olga Bezkrovnaya, Alexander Lopin, Marina Kolybaeva, Yuri Gurkalenko, Viacheslav Puzikov, Viacheslav M ..., Journal of Sol-Gel Science and Technology, 2012

SiO2 matrices with incorporated molecules of Rhodamine 6G and Rhodamine 800 laser dyes were synthesized by the sol–gel method. The spectral properties of the matrices were studied. It was found that the incorporation of Rhodamine 6G molecules into the xerogel network decreased their association. ...


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