G. Vasileiadis, G. Malamud, Ph. Mine and D. Vartsky,

"Solid and vapour phase UV photocathodes for gaseous detectors"


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We measured the relative quantum efficiency of four organic materials: tetrathiafulvalene and bis(cyclopentadienyl)magnesium in the solid phase and t-butylferrocene and n-butylferrocene in the vapour phase. The measurements were performed in the wavelength range of 150-220 nm. We also present a new quantum efficiency measurement of ethylferrocene. The three ferrocene derivatives exhibit relatively high quantum efficiency.

Last modified: 6 Feb 1996, Jochen.