Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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A Study on Electron Emission Characteristics of Photocathode Formed Under Condition in N2 Atmosphere

상압에서 제조한 포토캐소드의 전자방출 특성에 관한 연구

  • Jeong, Hyo-Soo (Department of Electronic Materials Engineering, The University of Suwon)
  • 정효수 (수원대학교 전자재료공학과)
  • Received : 2014.04.14
  • Accepted : 2014.04.23
  • Published : 2014.05.01
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Abstract

Photoemission is a process in which photons are converted into free electrons. Photocathodes are the typical materials for the process. They emit electrons when a light is irradiated upon. The traditional method of manufacturing photocathodes is complicated, requires specialized equipment, and is limited very small sized samples. $Cs_3Sb$ photocathode was formed on a substrate in $N_2$ atmospheric conditions. The photocathode formation was a gas phase reaction with the substrate. Vacuum devices were made to test electron emission characteristics of the formed photocathode. Visible light of wavelength 475 nm was used for the primary light source. The results showed high current density and long term stability of the photoelectron emission.

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References

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