Transpolyacetylene is a type of conductive polymer made from the polymerization of acetylene. It has a linear structure with alternating single and double carbon-carbon bonds, which allows it to conduct electricity. This unique property makes it useful in various applications, including organic electronics and sensors. The material was first synthesized in the 1970s and has since been studied for its potential in flexible electronic devices. Its conductivity can be modified by doping with different substances, enhancing its versatility in fields like organic photovoltaics and light-emitting diodes.