Triphenylamine
Encyclopedia
Triphenylamine is an organic compound
with formula
(C6H5)3N. In contrast to most amine
s, triphenylamine is nonbasic. Its derivatives have useful properties in electrical conductivity and electroluminescence
, and they are used in OLEDs as hole-transporters.
Triphenylamine can be prepared by arylation of diphenylamine
.
Organic compound
An organic compound is any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon. For historical reasons discussed below, a few types of carbon-containing compounds such as carbides, carbonates, simple oxides of carbon, and cyanides, as well as the...
with formula
Structural formula
The structural formula of a chemical compound is a graphical representation of the molecular structure, showing how the atoms are arranged. The chemical bonding within the molecule is also shown, either explicitly or implicitly...
(C6H5)3N. In contrast to most amine
Amine
Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group. Important amines include amino acids, biogenic amines,...
s, triphenylamine is nonbasic. Its derivatives have useful properties in electrical conductivity and electroluminescence
Electroluminescence
Electroluminescence is an optical phenomenon and electrical phenomenon in which a material emits light in response to the passage of an electric current or to a strong electric field...
, and they are used in OLEDs as hole-transporters.
Triphenylamine can be prepared by arylation of diphenylamine
Diphenylamine
Diphenylamine is the organic compound with the formula 2NH. It is a colourless solid, but samples are often yellow due to oxidized impurities.-Preparation and reactivity:...
.