Conductive Polymer - Types

Types

The linear-backbone "polymer blacks" (polyacetylene, polypyrrole, and polyaniline) and their copolymers are the main class of conductive polymers. Historically, these are known as melanins. Poly(p-phenylene vinylene) (PPV) and its soluble derivatives have emerged as the prototypical electroluminescent semiconducting polymers. Today, poly(3-alkylthiophenes) are the archetypical materials for solar cells and transistors.

The following table presents some organic conductive polymers according to their composition. The well-studied classes are written in bold and the less well studied ones are in italic.

The main chain contains Heteroatoms present
No heteroatom Nitrogen-containing Sulfur-containing
Aromatic cycles
  • Poly(fluorene)s
  • polyphenylenes
  • polypyrenes
  • polyazulenes
  • polynaphthalenes
 The N is in the aromatic cycle:
  • poly(pyrrole)s (PPY)
  • polycarbazoles
  • polyindoles
  • polyazepines

The N is outside the aromatic cycle:

  • polyanilines (PANI)
 The S is in the aromatic cycle:
  • poly(thiophene)s (PT)
  • poly(3,4-ethylenedioxythiophene) (PEDOT)

The S is outside the aromatic cycle:

  • poly(p-phenylene sulfide) (PPS)
Double bonds
  • Poly(acetylene)s (PAC)
Aromatic cycles and double bonds
  • Poly(p-phenylene vinylene) (PPV)

Read more about this topic:  Conductive Polymer

Famous quotes containing the word types:

    “Our children evaluate themselves based on the opinions we have of them. When we use harsh words, biting comments, and a sarcastic tone of voice, we plant the seeds of self-doubt in their developing minds.... Children who receive a steady diet of these types of messages end up feeling powerless, inadequate, and unimportant. They start to believe that they are bad, and that they can never do enough.”
    —Stephanie Martson (20th century)

    “Science is intimately integrated with the whole social structure and cultural tradition. They mutually support one other—only in certain types of society can science flourish, and conversely without a continuous and healthy development and application of science such a society cannot function properly.”
    —Talcott Parsons (1902–1979)

    “Our major universities are now stuck with an army of pedestrian, toadying careerists, Fifties types who wave around Sixties banners to conceal their record of ruthless, beaverlike tunneling to the top.”
    —Camille Paglia (b. 1947)