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BTFP exhibits close similarities to phenyl\u2010C61\u2010butyric\u2010acid\u2010methyl\u2010ester (PCBM) in terms of first reduction potential values (\u22120.62 and \u22120.61\u2005V vs. Ag\/AgCl, for BTFP and PCBM, respectively) and lowest occupied molecular orbital (LUMO) energy level values (3.93\u2005eV in both cases). In chloroform, BTFP exhibits a bathochromic shift in the <jats:italic>\u03bb<\/jats:italic><jats:sub>max<\/jats:sub> of BTFP (<jats:italic>\u03bb<\/jats:italic><jats:sub>max,<\/jats:sub>BTFP=290\u2005nm and <jats:italic>\u03bb<\/jats:italic><jats:sub>max,<\/jats:sub>PCBM=260\u2005nm), owing to the grafted benzo[b]thiophene\u20103\u2010yl)pyridine moiety. Despite the similarity in LUMO (3.93\u2005eV) energy values, BTFP and PCBM differ in their luminescence\u2010quenching ability. The bathochromic shift in the <jats:italic>\u03bb<\/jats:italic><jats:sub>max<\/jats:sub> of BTFP (relative to PCMB) is likely to contribute to improved light absorption of a suitable donor for photovoltaic applications.<\/jats:p>","DOI":"10.1002\/open.201600174","type":"journal-article","created":{"date-parts":[[2017,4,5]],"date-time":"2017-04-05T11:51:35Z","timestamp":1491393095000},"page":"354-359","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Novel 5\u2010(Benzo[b]thiophen\u20103\u2010yl)pyridine\u20103\u2010carbaldehyde (BTPA) Functionalization Framework For Modulating Fullerene Electronics"],"prefix":"10.1002","volume":"6","author":[{"given":"Suru V.","family":"John","sequence":"first","affiliation":[{"name":"SensorLab, Department of Chemistry University of Western Cape  Robert Sobukwe Road, Bellville Cape Town 7535 South Africa"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian 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