Energy-Level Modulation of Small-Molecule Electron Acceptors to Achieve over 12% Efficiency in Polymer Solar Cells.
Published in Advanced materials (Deerfield Beach, Fla.) • Nov 1, 2016
Authors:,,
Sunsun Li
Long Ye
Wenchao Zhao
Abstract
Fine energy-level modulations of small-molecule acceptors (SMAs) are realized via subtle chemical modifications on strong electron-withdrawing end-groups. The two new SMAs (IT-M and IT-DM) end-capped by methyl-modified dicycanovinylindan-1-one exhibit upshifted lowest unoccupied molecular orbital (L...
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