Photoemission Properties of a Multialkali Photocathode

V. S. Rusetsky, V. A. Golyashov, A. V. Mironov, A. Yu Demin, O. E. Tereshchenko

Research output: Contribution to journalArticlepeer-review

Abstract

The feasibility of studies on the photoemission properties of multialkali photocathodes (MPs) in vacuum photodiodes with two semiconductor electrodes was demonstrated. The photoluminescence and quantum yield spectra were studied, and the high-resolution energy distribution curves of photoelectrons emitted from the MP were taken for the first time. Measurements were performed on multialkali photocathodes illuminated with monochromatic light within a wavelength range of 400–950 nm in a temperature range of 90–300 K. Based on the obtained data, the conclusion, that the MP is a negative electron affinity photocathode, was made. The properties of the solar element based on the studied vacuum photodiode were investigated.

Translated title of the contributionФотоэмиссионные свойства мультищелочного фотокатода
Original languageEnglish
Article number8
Pages (from-to)505-510
Number of pages6
JournalOptoelectronics, Instrumentation and Data Processing
Volume57
Issue number5
DOIs
Publication statusPublished - Sep 2021

Keywords

  • energy distribution curve
  • multialkali photocathode
  • negative electron affinity
  • solar cell
  • vacuum photodiode

OECD FOS+WOS

  • 2.02 ELECTRICAL ENG, ELECTRONIC ENG
  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY

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