Studies on CdS nanoparticles dispersed in silica matrix prepared by sol-gel techniqueB. Bhattacharjee, S. K. Bera, D. Ganguli, S. Chaudhuri and A. K. PalEur. Phys. J. B, 31 1 (2003) 3-9DOI: https://doi.org/10.1140/epjb/e2003-00001-3