The bound exciton of CdS single crystals at 80°K is shown to be correlated with the surface properties. Oxygen is supposed to influence the bound exciton emission through adsorption by surface defects (sulphur vacancies). © 1970.
Novikov, B. V., & Cherednichenko, A. E. (1970). The study of surface properties of CdS single crystals by means of exciton luminescence. Physics Letters A, 32(3), 205–206. https://doi.org/10.1016/0375-9601(70)90278-1