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Trends in Polyaniline Research
Abstract
Polyaniline (PAni), an interesting conducting polymer (CP), has attracted great attention over the last decades due to its tunable properties and potential applications in multidisciplinary areas. It is the most promising conducting polymer because of its ease of synthesis, low-cost monomer, and also its higher thermal stability compared to other CPs. This book provides a comprehensive review of the recent trends on PAni research. It is an excellent reference book which covers the latest research on PAni synthesis, properties and applications, from researchers across various disciplines including physics, chemistry, materials science, nanoscience and engineering, based on their expertise in these fields.
The book “Trends in Polyaniline Research” is a true attempt to make available the recent developments in PAni synthesis, properties, and its application, in a single volume and can be recommended as a special reference book for physicists, chemists, material scientists, nanotechnologists, engineers and graduate students. (Imprint: Nova)
... Although known to the scientific community for more than 150 years, polyaniline (PANI) only attracted considerable attention over the past four decades due to its electro-conductive properties and diverse and interesting chemistry. PANI is insoluble in common solvents and is relatively difficult to process, limiting the application of solution NMR for structural studies [1][2][3][4]. On the other hand, solid-state NMR (SSNMR) has been established as a very powerful analytical technique that can provide invaluable information about solid organic polymers. ...
... One of the most researched and reported conducting polymers belongs to the century-old aniline family of polymers, namely polyaniline (PANI) [4,7,8]. There have been numerous reports on the chemical and electrochemical synthesis and applications of different forms of PANIs and their characterization in terms of electronic, magnetic, and optical properties [1][2][3][4]7,8]. ...
... One of the most researched and reported conducting polymers belongs to the century-old aniline family of polymers, namely polyaniline (PANI) [4,7,8]. There have been numerous reports on the chemical and electrochemical synthesis and applications of different forms of PANIs and their characterization in terms of electronic, magnetic, and optical properties [1][2][3][4]7,8]. Interest in PANI has rapidly increased in recent years, not only because of its electrical and optical properties but also because of its ability to form very well organized structures at the nano-and microlevels (spheres, tubes, wires, fibers, etc.) [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]. ...
Polyaniline is one of the most well studied conducting polymers due to its advanced electrical, chemical, redox and morphological properties. The high conductivity of regular polyaniline, when partially oxidized and doped under acidic conditions, has been associated with the formation of unique electronic states known as polarons and bipolarons. Alternative aniline oxidation products and interesting nanotube and nanorod forms have been observed as the synthesis conditions are varied. Solid-state NMR has offered great opportunities for structural investigations and the determination of molecular dynamics in such a complex and diverse material. This review summarizes various applications of solid-state NMR techniques to polyaniline and its derivatives and the information that can be obtained by solid-state NMR.
... Polyaniline (PANI), a derivative of polyphenylene vinylene (PPV), belongs to a class of materials known as conducting polymers, combines the electronic and optical properties of some organic semiconductors and metals with the processing advantages of polymers [1]. PANI has a variety of phases with unique and special features such as stability under environmental conditions [2], chemical or electrochemical redox reversibility, high conductivity [3,4], ease of synthesis [5,6], and low-cost in comparison to other conducting polymers, which make it suitable for its application in sensors [7], photochemical cells and anticorrosion layers [8]. Furthermore, PANI has many promising applications in biomedical areas, such as tissue engineering, biosensors and biomedicine. ...
In this work, polyaniline (PANI) is synthesized via oxidative polymerization of aniline and purified using organic solvents where the emeraldine phase is isolated by employing a phase separation system. The above contributes to the increase in the percentage yield compared to previous works and the possibility of being used as a single phase. In addition, the PANI/AgNPs composite is prepared in situ at the polymerization of aniline, adding silver nitrate and glycine to create the AgNPs inside the PANI matrix by controlling the pH, temperature, time of reaction and incorporating a new purification technique.
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