Hybrid Perovskite-Based Position-Sensitive Detectors

A. Z. Ashar, N. Ganesh, K. S. Narayan

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A light-dependent position-sensitive detector (PSD) is demonstrated using an active layer of organic–inorganic halide perovskite. The lateral device is demonstrated using indium tin oxide coated glass as common back electrode and gold as the top electrodes. Apart from the linearity and the large span of position sensing range, the PSD response is characterized by a sizable responsivity. The device geometry for PSD also permits a high spatial resolution and transient signal mapping of the lateral photovoltage. These results can be understood in the framework of drift-diffusion model and offer another valuable use for hybrid perovskite systems.

Original languageEnglish
Article number1700362
JournalAdvanced Electronic Materials
Volume4
Issue number2
DOIs
StatePublished - Feb 2018
Externally publishedYes

Funding

K.S.N. acknowledges Department of Science and Technology, India, for partially supporting this research project.

Keywords

  • lateral photovoltage scanning
  • perovskite
  • position sensitive detectors

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