Table 1. Physical and Spectroscopic Properties of the Four π-Conjugated Organic Semiconductors and the Semiconducting Polymer Nanoparticles SPN1–4 Formulated from Them.

polymer	λmaxa [nm]	Mn [kDa]	Mw/Mn	SPN	diameter [nm]	PDI	ζ potential [mV]	λmax [nm]	ε [cm–1 g L–1]
PCPDTBT 1	709	6	1.3	SPN1	145	0.2	–37.8	700	83
INDT-T 2	802	20	4.0	SPN2	159	0.25	–25.6	780	79
INDT-S 3	844	25	3.3	SPN3	120	0.23	–29.8	790	139
INDT-BT 4	826	40	3.0	SPN4	160	0.25	–31.0	800	253

^aλ_max measured in chlorobenzene solution.