SESANS fitting parameters calculated using the DAB model.

Solvent	PC61BM concentration (mg mL−1)		Φ PCBM (aggl.)	DAB – correlation length [μm]	Solubility (mg mL−1)
CHCl3	30	1.8 × 10−3 ± 1.5 × 10−3	0.0016	n/a	—
	60	1.27 × 10−2 ± 2.06 × 10−4	0.012	1.45 ± 0.06	42
	90	1.91 × 10−2 ± 1.67 × 10−4	0.023	1.08 ± 0.02	55.5
Toluene	30 (20°)	3.63 × 10−2 ± 5 × 10−4	0.012	1.32 ± 0.04	12
	60 (20°)	1.04 × 10−5 ± 1.47 × 10−7	0.037	1.11 ± 0.03	4.5
Chlorobenzene	30	1.02 × 10−3 ± 6.5 × 10−4	0.0006	n/a	—
	60	2.64 × 10−2 ± 2.3 × 10−4	0.016	1.30 ± 0.02	36
	90	6.43 × 10−2 ± 6 × 10−4	0.048	1.10 ± 0.01	18
DIO	30	1.16 × 10−3	0.0002	n/a	—
	60	4.89 × 10−2 ± 4.0 × 10−4	0.012	1.14 ± 0.04	42
	90	0.13 ± 1.4 × 10−3	0.031	1.23 ± 0.01	43.5