Direct Observations of the Structural Properties of Semiconducting Polymer: Fullerene Blends under Tensile Stretching

dc.contributor.author	ALIOUAT Mouaad Yassine
dc.contributor.author	BENOUDIA Mohamed Cherif (Co-Auteur)
dc.date.accessioned	2025-06-25T09:36:17Z
dc.date.available	2025-06-25T09:36:17Z
dc.date.issued	2020-07-10
dc.description	Materials 2020, 13(14), 3092; https://doi.org/10.3390/ma13143092
dc.description.abstract	We describe the impact of tensile strains on the structural properties of thin films composed of P BT4T-2OD -conjugated polymer and PC71BM fullerenes coated on a stretchable substrate, based on a novel approach using in situ studies of flexible organic thin films. In situ grazing incidence X-ray di raction (GIXD) measurements were carried out to probe the ordering of polymers and to measure the strain of the polymer chains under uniaxial tensile tests. A maximum 10% tensile stretching was applied (i.e., beyond the relaxation threshold). Interestingly we found di erent behaviors upon stretching the polymer: fullerene blends with the modified polymer; fullerene blends with the 1,8-Diiodooctane (DIO) additive. Overall, the strain in the system was almost twice as low in the presence of additive. The inclusion of additive was found to help in stabilizing the system and, in particular, the – packing of the donor polymer chains.
dc.identifier.uri	http://41.111.199.50:4000/handle/123456789/730
dc.language.iso	en
dc.publisher	Materials
dc.title	Direct Observations of the Structural Properties of Semiconducting Polymer: Fullerene Blends under Tensile Stretching
dc.type	Article

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