Luminescent properties of CdSe single crystals doped with antimony or bismuth

CdSe single crystals were doped with Bi and Sb from Sb₂Se₃ and Bi₂Se₃ vapors. The introduction of Sb and Bi was found to produce new luminescence centers. Both bismuth and antimony generate deep levels in the band gap of CdSe. The maxima in the photoconductivity spectra of Sb and Bi-doped CdSe are redshifted. Both doped and undoped CdSe crystals are shown to be photosensitive