By Alaa S. Abd-El-Aziz, Charles E. Carraher, Pierre D. Harvey, Charles U. Pittman, Martel Zeldin
Steel- and metalloid-containing macromolecules are outlined as huge molecules (i.e., polymers, DNA, proteins) that comprise a steel or metalloid crew affiliated with the molecule. This quantity describes what's attainable with metal-containing polymers the place the steel is a vital element in acquiring wanted optical and digital homes. overlaying functions in nonlinear optical fabrics, sun cells, light-emitting diodes, photovoltaic cells, field-effect transistors, chemosensing units, and biosensing units, this indispensible advisor makes a speciality of the photochemistry and photophysics of metal-containing polymers, with chapters via top individuals to the middle advances during this box.
Read or Download Macromolecules Containing Metal and Metal-Like Elements, Photophysics and Photochemistry of Metal-Containing Polymers (Volume 10) PDF
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Extra info for Macromolecules Containing Metal and Metal-Like Elements, Photophysics and Photochemistry of Metal-Containing Polymers (Volume 10)
Sample text
Much effort involving solar energy conversion is based on the natural chlorophyll system as a model. Here a metal atom is embedded within a polymer matrix that exhibits high electron mobility (delocalization). Ruthenium,42À52 platinum,53À59 and palladium53À59 are the most employed metals. The use of materials containing the bis(2,2-bipyridine)ruthenium II moiety is common with ruthenium because this moiety absorbs energy in the UV region and emits it at energies approximating those needed to cleave water molecule bonds.
This conformational freedom is lost when the solvent rigidifies, leading to a decrease in the coupling between the donor and the bridge. In solvents of low viscosity, another observation was made. Indeed, the change in temperature led to a triplet state distortion, inducing slower rates for triplet energy transfers. , double electron exchange). This analysis illustrates the importance of studying different donor-acceptor spacers and their geometries during photo-induced energy transfer. XI. SUMMARY Interest in the electronic properties of π-conjugated oligomers and polymers and polymers containing metal atoms continues to increase greatly.
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