5 edition of Applied photochromic polymer systems found in the catalog.
|The Physical Object|
|Pagination||xvi, 97 p. :|
|Number of Pages||77|
nodata File Size: 9MB.
Comparison of water-quality samples collected by siphon samplers and automatic samplers in Wisconsin.
Analysis of the ground-water flow system, geochemistry, and underseepage in the vicinity of the Red Rock Dam near Pella, Iowa
Lindsay, Nanotechnology, 2005, 16, 695. The regeneration of the original spiro form of the photochromic allows suppression of the quenching process and switches the emission of the fluorophore back on. When exposed to linearly polarized UV light it was able to bend toward the light with bending occurring parallel to the direction of light polarization.
Whereas the same property of some reactive dyes; is a bane for textile processors. In these systems the geometrical conformational change that accompanies the photosiomerization of each photochromic molecule has such a profound effect on the material properties. The linear and nonlinear optical NLO properties of photochromic materials has also been reviewed by Delaire and Nakatani.
Tong, Small, 2009, 5, 970. Photo-responsive supramolecular have also been developed, with — transitions able to be induced reversibly via photoisomerization.
There is a vast range of different states Photochromism can be manipulated into. considers all the essential photochromic polymer systems and should serve as a significant source of reference for photochemists, photophysicists, device physicists Applied photochromic polymer systems dye chemists. Copyright 2003 Nature Publishing Group. However, the unique properties of polysiloxanes merit special mention in Chapter 4, because of the attributes that such inorganic polymers can provide in certain systems such as liquid crystalline photochromic polymers, where two extremely interesting phenomena are combined.
Low molecular weight photochromic-functionalized have also been designed where the geometry of one photo-isomeric state enhances affinity of the inhibitory moiety for the enzyme active site.
The switching of a spiropyran bound to a has also been used successfully to reversibly modulate fluorescence, demonstrating the potential of this system to be applied to and. In this system the switching between the two photoisomeric forms open and closed resulted in the disappearance and reappearance of the cholesteric phase.
When irradiated by linearly polarized light, an molecule will preferentially absorb light polarized along its transition dipole axis long axis of the molecule. The ON state was provided by UV light which provided the cis form that freed the from the.
Hence, the molecule appears colourless. Photochromic polymer systems are of two main types: those which are merely solid solutions of photochromes in polymeric matrices and those custom-designed polymers which inherently exhibit photochromism.
This article is cited by 11 publications.
Photochromic switching of these involves coloration which is stimulated by UV light and discoloration with visible light or thermal pathways.
The IBN has developed a Photochromic contact lens that will darken upon exposure to sunlight to protect the eyes against harmful ultraviolet radiation and glare.