Photoelectric Cells Sensitive to Long Wave Length Radiation: the Bismuth Sulfide Cell |
Common terms and phrases
20 Watt Input 200 watt tungsten 4.0 microns 800 Wire Temperature acid sulfate activity Ångstroms applying Bergmann bismuth sulfide cell bismuth sulfide powder bismuthinite black body caesium Carbon coat Cathodic sputtering Cd/Au cell showed chemical copper cuprous oxide Current response curves Fig direct radiation DOCTOR OF PHILOSOPHY effect Electrodeposition Electroplated Energy input constant equation experimental cells external resistance German Electrocell graphite high photosensitivity higher increased Input to Wires lamp at 12 Log I/T2 LONG WAVE LENGTH microamp Microns Cell molecular weight nichrome oven door peratures photoactive material photoconductivity PHOTOELECTRIC CELLS SENSITIVE photoresponse Planck's constant poor poor radiant energy rectifier type Response in 10-6 selenium cell semiconductor SENSITIVE TO LONG solid photoelement spectral Table taken from Fig Temperature constant threshold frequency threshold wave length Transmission unipolar conductivity Vacuum tube visible region watt tungsten lamp WAVE LENGTH RADIATION Wires FIG wires in radiator Wood's metal