Donor/Spacer/Acceptor Block Copolymer Containing Poly(2,7-carbazole) and Perylenetetracarboxydiimide Subunits
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- Donor/Spacer/Acceptor Block Copolymer Containing Poly(2,7-carbazole) and Perylenetetracarboxydiimide Subunits
- Yang, Changduk
- Charge recombinations; Donor/acceptor interface; Electron donors; Electron-acceptor; Nanostructure formation; PDI; Polycarbazoles; Power conversion efficiencies; Scale length
- Issue Date
- MACROMOLECULAR CHEMISTRY AND PHYSICS, v.211, no.13, pp.1446 - 1451
- A straightforward synthesis of a conjugated rod/spacer/rod-type block copolymer containing PCz electron-donor and PDI electron-acceptor blocks is described. Two chromophores are covalently connected through sebacate units as saturated spacer. The resulting donor/spacer/acceptor-type block copolymer (PCz-S-PDI) can be applied to limit charge recombination between donor/acceptor interfaces and to control the scale length of nanostructure formation. PCz-S-PDI was used to produce a solar cell with the power conversion efficiency of 0.004%.
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