Surface and volume emission of excitons in the luminescence spectra of CdS crystals
Travnikov V. V.
A detailed study is made of evidence for the Is band (486.3^4-86.5 nm) of CdS crystals in samples differing in the nature of the free-exciton kinetics. A relationship between Is and a space charge layer is demonstrated. When free excitons are pulled into the space charge layer, their lifetime is affected.