Synthesis and optical spectroscopy of platinum-metal-containing di- and tri-acetylenic polymers

Abstract

Optical absorption and photoluminescence measurements on the title polymers, [graphic omitted]Pt(PBu₃ ⁿ)₂—(CC)_m—CC[graphic omitted]_n(m= 1, 2) show that there is appreciable π-electron conjugation extending through the metal sites on the chain, with a lower π–π* energy gap for the triacetylenic than for the diacetylenic compound.