Download Doping in conjugated polymers by Pradip Kar PDF

By Pradip Kar

An A-to-Z of doping together with its definition, its value, equipment of size, benefits and downsides, homes and characteristics—and position in conjugated polymers

The versatility of polymer fabrics is increasing end result of the advent of electro-active habit into the features of a few of them. the main fascinating improvement during this region is said to the invention of intrinsically conductive polymers or conjugated polymers, which come with such examples as polyacetylene, polyaniline, polypyrrole, and polythiophene in addition to their derivatives. "Synmet" or "synthetic steel" conjugated polymers, with their steel features, together with conductivity, are of distinctive curiosity to researchers. a space of unlimited capability and alertness, conjugated polymers have sparked huge, immense curiosity, starting in 2000 whilst the Nobel Prize for the invention and improvement of electrically engaging in conjugated polymers used to be offered to 3 scientists: Alan J. Heeger, Alan G. MacDiarmid, and Hideki Shirakawa.

Conjugated polymers have a mixture of properties—both metal (conductivity) and polymeric; doping supplies the conjugated polymer's semiconducting a variety of conductivity, from insulating to low engaging in. The doping technique is a verified powerful strategy for generating carrying out polymers as semiconducting fabric, offering an alternative choice to inorganic semiconductors.

Doping in Conjugated Polymers is the 1st e-book devoted to the topic and provides a finished A-to-Z review. It info doping interplay, dopant varieties, doping strategies, and the effect of the dopant on functions. It explains how the functionality of doped conjugated polymers is tremendously encouraged by way of the character of the dopants and their point of distribution in the polymer, and indicates how the electrochemical, mechanical, and optical homes of the doped conjugated polymers will be adapted via controlling the scale and mobility of the dopants counter ions.

The e-book additionally examines doping on the nanoscale, specifically, with carbon nanotubes.

Readership
The e-book will curiosity a large diversity of researchers together with chemists, electrochemists, biochemists, experimental and theoretical physicists, digital and electric engineers, polymer and fabrics scientists. it might even be utilized in either graduate and upper-level undergraduate classes on conjugated polymers and polymer technology.

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1). Therefore, conjugated polymer doped with polymeric dopant generally has very low conductivity compared with that of an inorganic- or organic-doped one. Here the better reactivity or ionizability of the polymer dopant is also required for better doping in the conjugated polymer. In the case of functionalized polymer, it is very difficult to behave as very good electrolytes in solution. So, there is almost no report for this type 40 Doping in Conjugated Polymers of doping by electrochemical method.

22 Doping in Conjugated Polymers Na naphthanilide Polyacetylene 25 200 Li+ Li Polyacetylene Na+ 50 ClO4− R4NClO4 or MClO4 Polyacetylene naphthanilide 50 ClO4− HClO4 Polyacetylene 1200 AsF6− AsF5 Polyacetylene 550 I3− I2 Polyacetylene 40 F- HF Polyacetylene 10000 Na+, Li+ Na, Li Polyacetylene 10−3 Cl− HCl Polyacetylene Conductivity (S/cm) Counter ion Dopant Polymer Chemical (solution or gaseous) Chemical (solution) Electrochemical Chemical (solution or gaseous) Chemical (gaseous) Chemical (gaseous) Chemical (solution) Electrochemical Chemical (solution) Used doping technique 23 23 23 23 23 23 46 24 46 Ref.

22 Doping in Conjugated Polymers Na naphthanilide Polyacetylene 25 200 Li+ Li Polyacetylene Na+ 50 ClO4− R4NClO4 or MClO4 Polyacetylene naphthanilide 50 ClO4− HClO4 Polyacetylene 1200 AsF6− AsF5 Polyacetylene 550 I3− I2 Polyacetylene 40 F- HF Polyacetylene 10000 Na+, Li+ Na, Li Polyacetylene 10−3 Cl− HCl Polyacetylene Conductivity (S/cm) Counter ion Dopant Polymer Chemical (solution or gaseous) Chemical (solution) Electrochemical Chemical (solution or gaseous) Chemical (gaseous) Chemical (gaseous) Chemical (solution) Electrochemical Chemical (solution) Used doping technique 23 23 23 23 23 23 46 24 46 Ref.

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