title: Separation and identification of indene-C70 bisadduct isomers.
abstract: Following an initial work on the isolation of a single geometric isomer from an indene-C70 bisadduct (IC70BA) mixture, we report the full fractionation and identification of the bisadduct species in the material. Eleven fractions of IC70BA isomers were separated by high-performance liquid chromatography. A number of fractions contained relatively pure isomer species and their configuration were deduced using a variety of analytical techniques including (1)H and (13)C NMR and UV-vis spectroscopy. The electrochemical properties and the organic solar cell device performance were investigated for fractions where a reasonable quantity of sample could be isolated.
authors.affiliation: School of Chemistry, Bio21 Institute, University of Melbourne, 30 Flemington Rd, Parkville, Victoria, 3010, Australia.
authors.forename: Bolong
authors.initials: B
authors.lastname: Zhang
authors.affiliation: School of Chemistry, Bio21 Institute, University of Melbourne, 30 Flemington Rd, Parkville, Victoria, 3010, Australia.
authors.forename: Jegadesan
authors.initials: J
authors.lastname: Subbiah
authors.affiliation: School of Chemistry, Bio21 Institute, University of Melbourne, 30 Flemington Rd, Parkville, Victoria, 3010, Australia.
authors.forename: David J
authors.initials: DJ
authors.lastname: Jones
authors.affiliation: School of Chemistry, Bio21 Institute, University of Melbourne, 30 Flemington Rd, Parkville, Victoria, 3010, Australia.
authors.forename: Wallace Wing Ho
authors.initials: WW
authors.lastname: Wong
keywords: chromatographic separation; electron acceptor; fullerene bisadduct; organic solar cell; regioisomers