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Figure 13
(a) GIWAXS pattern of SM2:PC71BM, cast from chloro­benzene with 0.8% DIO in a 1:1 blend. Dots indicate the fitted scattering pattern for the first (lamellar) polymorph. (b) GIWAXS pattern of neat SM2, same conditions as (a). (c) Same as (a), zoomed-in and with a different color scale for detail, overlaid with the scattering pattern for the second polymorph which is not present in the neat film (b). SM2 crystal structure: (d) bird's-eye view of film; (e), (f) side views from two different directions, perpendicular to the b–c plane (e) and a–c plane (f). In (e), the molecular structure is drawn approximately to scale.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 53| Part 4| August 2020| Pages 1108-1129
https://doi.org/10.1107/S1600576720005476
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