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In situ measurements of the structure and strain of a π-conjugated semiconducting polymer under mechanical load

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Academic year: 2021

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Figure  1.  (a)  PCE11  chemical  structure,  (b)  Schematic  representation  of  different  crystalline  packings of π-conjugated polymers
Figure 2. Schematic view of in-situ stretching GIXD experimental setup
Figure  3.  2D  GIXD  pattern  of  PCE11  spin-coated  on  (a) glass and  (b)  PDMS.  The  azimuthal  integration along χ shows the anisotropy of the chain orientation and the portions of face-on or  edge-on  orientations  for  the  100  peak  of  PCE11  s
Table 1. Main structural parameters: peak center, polymer chains spacing [Å], FWHM [Å -1 ] and  integrated intensity of lamellar peak along q z  and q x  directions, of PCE11 spin-coated on glass  and PDMS substrates (from figures3 e and f)
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