noun[mass noun] Chemistry
- A black electrically conducting solid which is a hydrocarbon polymer containing chains of carbon atoms joined by alternate double and single bonds.More example sentences
- First, researchers found that when the polymer polyacetylene acquires an extra electron, the particle seems to split into two quasi-particles, or excitations of the molecule as a whole.
- Both luck and insight played roles in the discovery of the first conducting polymer, a form of the material called polyacetylene.
- One such early material was AsF 5 doped cis polyacetylene - this was not a pleasant dopant to use, but it increased the polymer's conductivity by a factor of as much as 10 11.