Synthesis, electrochemistry and spectroscopy of blue platinum(II) poly-ynes and di-ynes

M Younus, A Köhler, S Cron, N Chawdhury, MRA Al-Mandhary, MS Khan, J Lewis, NJ Long, RH Friend, PR Raithby

Angew. Chemie, Internat. Ed. 37 (1998) 3036-3039.

The smallest band gap observed so far (1.77 eV) for an organometallic polymer is exhibited by the blue, rigid-rod polymer 2, which is prepared by the reaction of trans-[PtCl2(PnBu3)2] with one equivalent of 1.