Observation and mechanism of direct-current quenching of alternating-current electroluminescence in typical zinc sulfide phosphors
Edmund J. Conway, United States. National Aeronautics and Space Administration, Langley Research Center
National Aeronautics and Space Administration, 1970 - Technology & Engineering - 35 pages
What people are saying - Write a review
We haven't found any reviews in the usual places.
ac electroluminescence alternating current APPENDIX average brightness average quenching blue emission brightness wave bromine-coactivated cells which exhibited chlorine coactivated concentration conduction band constant copper crystal crystallite dc quenching dependence of quenching dielectric direct current drift velocity elec electric field electroluminescent cells enhancement equation excited centers excited electrons exhaustion barrier exhibited quenching Fermi Fermi energy field strength figure film electrode fractional change frequency from 0.2 function of dc holes independent of ac instantaneous brightness ionized activators ionized centers ionized luminescence centers Langley Research Center layer magnitude of quenching manganese metal mole percent Mott-Schottky nonradiative number of excited observed peak phase angle phosphor particles phosphor powder photoconductivity photomultiplier Phys plexiglass Quenching occurred Quenching of AC quenching q radiative recombination recombination coefficient silicone space-charge-limited current Spectrally surface thickness transmission coefficient trons tunneling valence band voltage was increased volts Zalm's ZINC SULFIDE PHOSPHORS zinc vacancy ZnS;Cu,Cl