Synthesis of CdS Colloids

Colloidal solutions of semiconductor particles are of great interest mainly as photocatalysts of various processes. Of special interest are the so-called Q-particles of semiconductors (for CdS with the size 2R 50 A), some of their properties being considerably different from 

In this chapter we consider the feasibility of easily controlled and reproducible synthesis of CdS colloids. To provide control and restrain the growth rate of the CdS nanoparticles, we used the complex salt of a colloid-forming component (Cd2+) instead of its diluted solution actually, in this case the rate of colloid growth may be limited by the decay rate of the initial cadmium complex. 

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