An organic memory cell containing an organic semiconductor layer containing a copolymer is disclosed. The copolymer contains a diarylacetylene portion and at least one of an arylacetylene portion and a heterocyclic acetylene portion. The copolymer may be a random copolymer, an alternating copolymer, a random block copolymer, or a block copolymer. Methods of making an organic memory devices/cells containing the copolymer, methods of using the organic memory devices/cells, and devices such as computers containing the organic memory devices/cells are also disclosed.
