Two new star-shaped A–π–D molecules with triazine as a core and an acceptor unit, thienylenevinylene as the π bridge, and tert-butyl-substituted triphenylamine (tTPA)- or carbazole (tCz) as the end group and donor units of TTVTPA and TTVCz were synthesized for their application as donor materials in solution processed bulk heterojunction organic solar cells (OSCs).

A linear-dendritic block copolymer functionalized exfoliated graphene nanosheets/silver nanoparticles was prepared for using as the interfacial layer between the electron-selective layer and photoactive layer in an inverted polymer solar cell.

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