Table 4. Summary of GIWAXS parameters of PTB7-Th:DFDO-RC2, PTB7-Th:DFDE-RC2, PTB7-Th:DFBzO-RC2, PTB7-Th:DFBzE-RC2 blend films and PTB7-Th film

Material	Peak information from the q_z direction				Peak information from the q_y direction
Material	q (Å⁻¹)	FWHM (Å⁻¹)	D (Å)	L_c (nm)	q (Å⁻¹)	FWHM (Å⁻¹)	d (Å)	L_c (nm)
PTB7-Th:DFDO-RC2	0.316	0.0411	19.859	13.773	1.770	0.115	3.549	4.933
	0.624	0.0571	10.076	9.903
	0.931	0.0917	6.751	6.166
	1.508	0.213	4.167	2.657
	1.753	0.165	3.585	3.427
PTB7-Th:DFDE-RC2	0.333	0.0764	18.870	7.398	1.712	0.144	3.670	3.935
PTB7-Th:DFDE-RC2	1.667	0.257	3.770	2.197	1.712	0.144	3.670	3.935
PTB7-Th:DFBzO-RC2	0.422	0.0448	14.883	12.636	1.766	0.0818	3.558	6.916
	0.840	0.0697	7.483	8.108
	1.242	0.236	5.061	2.397
	1.717	0.401	3.660	1.409
PTB7-Th:DFBzE-RC2	0.419	0.0760	14.981	7.441	1.724	0.147	3.644	3.856
	1.300	0.420	4.833	1.348
	1.730	0.192	3.631	2.948
PTB7-Th	1.591	0.382	3.948	1.481	0.262	0.0976	23.997	5.793
PTB7-Th	1.647	0.221	3.816	2.554	0.262	0.0976	23.997	5.793