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Figure 2
(a) Optical microscopy image using crossed polarizers and (b) specular X-ray diffraction pattern of terthio­phene crystals prepared by thermal gradient crystallization on a glass substrate. The inset provides the chemical structure of the molecule terthiophene.

IUCrJ
Volume 5| Part 3| May 2018| Pages 304-308
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518003949