  We report the synthesis, structure and nonlinear optical properties of
cadmium sulphide (CdS) nanocrystallines (NCs) synthesized electrochemically
both with and without detergent ATLAS G3300. Relevant structural and
morphological features are explored by X-ray diffraction and scanning electron
microscopy (SEM) techniques. The efficiency of the second harmonic generation
(SHG) appears to be strongly dependent on the energy density of the incident
fundamental laser radiation and NC sizes.
