Control of miscibility and aggregation via the material design and coating process for high-performance polymer blend
Erjun Zhou1, Junzi Cong, Kazuhito Hashimoto
1RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, 351-0198, Japan.
Advanced Materials (Deerfield Beach, Fla.)
|October 15, 2013
Abstract:
A power conversion efficiency of 3.6% for an all-polymer solar cell, which is the highest ever reported, is achieved by introducing a conjugated side chain into a p-type polymer to improve the miscibility of the polymer blend and by adding small amounts of 1,8-diiodooctane to increase the aggregation of n-type polymer.
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