Additive-induced ordered structures formed by PC<sub>71</sub>BM fullerene derivatives.
basic_science · Level V
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- Record sourced from PubMed, PMID 33480935.
- Also identified by DOI 10.1039/d0sm02240c.
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Abstract
We report the results of an experimental and theoretical study of structure formation in mixtures of phenyl-C<sub>71</sub>-butyric acid methyl ester (PC<sub>71</sub>BM) with high boiling octane based solvent additives 1,8-octanedithiol (ODT), 1,8-dibromooctane, and 1,8-diiodooctane obtained by evaporation of a host-solvent (chlorobenzene). Experimental studies by DSC, SAXS and WAXS methods found evidence of crystallization of fullerenes in the presence of the high boiling additives in the mixtures. A molecular dynamics simulation of a PC<sub>71</sub>BM/ODT mixture revealed the self-assembly of fullerenes into sponge-like network structures.