Efficient inverted polymer solar cells with thermal-evaporated and solution-processed small molecular electron extraction layer

Fu Zhou Sun, Ai Li Shi, Zai Quan Xu, Huai Xin Wei, Yan Qing Li, Shuit Tong Lee, Jian Xin Tang

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Efficient inverted polymer solar cell is reported upon by integrating with a small molecular 1,3,5-tri(phenyl-2-benzimi-dazolyl)-benzene (TPBi) electron extraction layer (EEL) at low processing temperature with thermal-evaporation and solution-process, resulting in the power conversion efficiencies of 3.70 and 3.47, respectively. The potential of TPBi as an efficient EEL is associated with its suitable electronic energy level for electron extraction and hole blocking from the active layer to the indium tin oxide cathode.

Original languageEnglish
Article number133303
JournalApplied Physics Letters
Volume102
Issue number13
DOIs
StatePublished - 1 Apr 2013
Externally publishedYes

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