Sakai-Otsuka, Y.Y.Sakai-OtsukaOgawa, Y.Y.OgawaSatoh, T.T.SatohWEN-CHANG CHENBorsali, R.R.Borsali2021-08-052021-08-0520211448617https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098456688&doi=10.1016%2fj.carbpol.2020.117528&partnerID=40&md5=564586951333f44a1f1451b873f3982fhttps://scholars.lib.ntu.edu.tw/handle/123456789/576806A carbohydrate-based fullerene derivative (AcMal7-C61) is designed, synthesized and applied to a lamellar-forming high-χ block copolymer system, poly(3-hexylthiophene)-block-peracetylated maltoheptaose (P3HT-b-AcMal7), to actualize an ordered donor/acceptor (D/A) network. A well-defined D/A lamellar structure of the P3HT-b-AcMal7:AcMal7-C61 blend with sub-10 nm domain features is achieved upon thermal annealing. The AcMal7-C61 molecules are localized in the phase-separated AcMal7 nanodomains without causing the formation of fullerene crystals while maintaining the lamellar morphology up to 1:0.5 (D:A) blending ratio. The cross-sectional TEM observation and GISAXS measurement reveals that the P3HT-b-AcMal7 tends to spontaneously organize into lamellar structures oriented perpendicular to the film surface at the air/film interface while the domain orientation at the bottom interface depends on the nature of the substrate. ? 2020 Elsevier LtdBlending; Block copolymers; Fullerenes; Lamellar structures; Morphology; Air/film interfaces; Cross-sectional TEM; Domain orientation; Fullerene derivative; Lamellar morphology; Poly (3-hexylthiophene); Selective localizations; Thermal-annealing; Carbohydrates[SDGs]SDG7Blending; Block copolymers; Fullerenes; Lamellar structures; Morphology; Air/film interfaces; Cross-sectional TEM; Domain orientation; Fullerene derivative; Lamellar morphology; Poly (3-hexylthiophene); Selective localizations; Thermal-annealing; Carbohydratesjournal article10.1016/j.carbpol.2020.117528334362602-s2.0-85098456688