High-performance solution-processed large-area transparent self-powered organic near-infrared photodetectors

Ying Suet Lau, Zhaojue Lan, Linfeng Cai, Fu Rong Zhu*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

20 Citations (Scopus)
55 Downloads (Pure)

Abstract

The photoresponse of the transparent self-powered near-infrared (NIR) organic photodetectors (OPDs) with a high-conductivity poly(3,4-ethylenedioxythiophene)-polystyrene sulfonate upper transparent electrode, prepared by a lamination transfer process, has been analyzed. The large-area transparent self-powered NIR OPDs have a specific detectivity of >1012 Jones at 850 nm, a high -3 dB cutoff frequency of 71 kHz, and a linear dynamic range of 154 dB. The performance of the solution-processed transparent NIR OPDs is comparable to that of a control opaque NIR OPD with a 100 nm thick aluminum contact, providing a platform technology for a plethora of applications in self-powered monitoring systems, optical communications, image sensors, and Internet-of-Things.

Original languageEnglish
Article number100708
JournalMaterials Today Energy
Volume21
Early online date9 Mar 2021
DOIs
Publication statusPublished - Sept 2021

Scopus Subject Areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science (miscellaneous)
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

User-Defined Keywords

  • Image sensors
  • NIR
  • Organic photodetector
  • Solution fabrication process
  • Transparent OPD

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