Table 2.

Morphological parameters extracted from GIWAXS measurements

Device	Peak*, Å−1		π–π stacking distance, Å		FWHM†, Å−1		Coherence length, Å		Face-on/edge-on ratio
	Donor	NFA	Donor	NFA	Donor	NFA	Donor	NFA
PCE-10:SBT-FIC (wo/PN)	1.70	1.61	3.69	3.90	0.26	0.56	24	11	0.65
PCE-10:SBT-FIC (w/PN)	1.70	1.59	3.69	3.95	0.27	0.56	23	11	0.71
PCE-10:A078 (wo/PN)	1.67	1.79	3.76	3.51	0.53	0.26	12	24	2.37
PCE-10:A078 (w/PN)	1.70	1.83	3.69	3.43	0.50	0.12	13	52	3.64
PCE-10:A134 (wo/PN)	1.69	1.82	3.72	3.45	0.50	0.21	13	30	2.34
PCE-10:A134 (w/PN)	1.70	1.87	3.69	3.36	0.47	0.10	13	63	2.57

^*The value extracted from the (010) peak.

^†Full width at half-maximum.