Synthesis of a Novel Family of Polysilsesquioxanes Having Oligothiophenes with Well-Defined Structures

Table 1

Absorption maxima of neutral and oxidized polymers.

Polymers	Wavelength/nm
	Neutral state	One-electron; oxidized state^a	Two-electron; oxidized state^b
PBS6T	435	—^c	—^c
PBS8T	445	749, 1204	970
PBSO8T	447	697, 1211	1099
PBSO10T	482	708, 1335	1252
PBSO12T	486	752, 1405	1247

^aOxidized at 0.6 V for PBS8T, at 0.5 V for PBSO8T, and at 0.4 V for PBSO10T and PBSO12T.
^bOxidized at 0.9 V for PBS8T and at 0.8 V for PBSOnT.
^cNot observed.