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. 2018 Nov 7;9:4645. doi: 10.1038/s41467-018-07017-z

Fig. 3.

Fig. 3

The influence of SA-1 on the intermolecular interaction and the film morphology. Absorption spectra with absorption coefficients of (a) PBDB-TF, PBDB-TF/TA, PBDB-TA+SA-1, and PBDB-TF+SA-1/TA films; b IT-4F, IT-4F/TA, IT-4F+SA-1, and IT-4F+SA-1/TA films; c blend, blend/TA, blend+SA-1, and blend+SA-1/TA films. d The corresponding X-ray diffraction patterns and that of SA-1 film without TA. e The corresponding AFM height images  (A specified scale bar is used for the image of PBDB-TF+SA-1 film)