dopant

https://doi.org/10.1351/goldbook.DT07203
Charge-transfer agent used to generate, by @O04362@ or reduction, positive or negative charges in an @IT07208@.
Note:
Examples of dopants include AsF5 or I2 as oxidizing agents, generating @C00907@ radicals on the chains of an @IT07208@ (so-called holes), or a solution of sodium naphthalenuidyl in tetrahydrofuran as a reducing agent, generating @A00358@ radicals on the chains of an @IT07208@.
Source:
PAC, 2006, 78, 2067. (Terminology of polymers containing ionizable or ionic groups and of polymers containing ions (IUPAC Recommendations 2006)) on page 2069 [Terms] [Paper]