Supplementary Material (ESI) for Journal of Materials Chemistry This journal is © The Royal Society of Chemistry 2004 Supporting Information Synthesis of High-quality CdS, ZnS, and ZnxCd1-xS Nanocrystals Using Metal Salts and Elemental Sulfur Intensity (a. u.) Xinhua Zhong, Shuhua Liu, Zhihua Zhang, Lin Li, Zheng Wei and Wolfgang Knoll from CdSO4 From CdCl2 20 30 40 50 60 Fig. 1s. Power-XRD patterns of hexagonal (wurtzite) CdS nanocrystals using CdSO4 or CdCl2 as the Cd source. The line XRD spectrum corresponds to bulk hexagonal CdS (bottom).