Wide-angle and polarization-insensitive perfect absorber for organic photovoltaic layers

Kai Liu, Haifeng Hu, Haomin Song, Xie Zeng, Dengxin Ji, Suhua Jiang, Qiaoqiang Gan

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

In this letter, we computationally explore a wide-angle and polarization-insensitive perfect absorber based on hybrid metal-dielectric-metal structures. By introducing an organic photovoltaic layer between top metallic nanopatterns and a continuous metal bottom plate, an enhanced angle-and polarization-insensitive absorption can be obtained in the spectral range 400-700 nm, which is promising to realize improved thin-film organic photovoltaic devices. The physical mechanism of the perfect absorber is explained theoretically and numerically by the critical coupling principle. © 1989-2012 IEEE.
Original languageEnglish (US)
Pages (from-to)1266-1269
Number of pages4
JournalIEEE Photonics Technology Letters
Volume25
Issue number13
DOIs
StatePublished - Jul 15 2013
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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