Mössbauer study of iodine-doped polythiophene and poly(3-methylthiophene)

The129I Mossbauer study applied to the iodine-doped polythiophene and poly(3-methylthiophene) films revealed that the iodine consists of pentaiodide, triiodide, and/or I2 molecules. The abundance ratios of these iodine species vary with the doping level.