Enhanced Performance of Inverted Organic Solar Cells by Introducing a Phosphorescence-Doped Electron Extraction Layer

Hao Jun Xie, Yan Qing Li, Guo Fu Ma, Qian Kun Wang, Dan Dan Zhang, Jian Xin Tang

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

An efficient organic solar cell is demonstrated using a solution-processed phosphorescence-doped electron extraction layer (PDEEL) as the complementary optical response layer, which can absorb the ultraviolet light and reemit green light, and eventually be utilized by the active layer. Besides, the optimized PDEEL is also demonstrated as an efficient interfacial layer, which exhibits a super energy match and leads to the enhancement of electron collection ability. As a result, a 39.5% enhancement of power conversion efficiency is achieved from 3.39% to 4.73%, which is attributed to the effective utilization of high-energy photons and the improved electrical properties by PDEEL.

Original languageEnglish
Article number7057542
Pages (from-to)885-888
Number of pages4
JournalIEEE Journal of Photovoltaics
Volume5
Issue number3
DOIs
StatePublished - 1 May 2015
Externally publishedYes

Keywords

  • Organic solar cells (OSC)
  • phosphor-doped layer
  • singlet excitons
  • triplet excitons

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