Substituted Polyacetylenes: Synthesis, Properties, and Functions

This perspective briefly introduces the status quo of various aspects of research on substituted polyacetylenes along with representative references. The research field of substituted polyacetylenes includes polymer design, polymer synthesis, polymer structure and properties, and polymer functions. Developments of well-defined catalysts and unique precision structures of polymers are challenging subjects in polymer design and synthesis. Elucidation of unique properties of substituted polyacetylenes has long drawn much attention and is closely related to their optoelectronic and stimuli-responsive functions under intensive research. This special issue features relatively short review articles of the cutting-edge research of substituted polyacetylenes by experts of the fields.