Quantum confined cadmium sulfide

Hilinski, E. F. Lucas, P. A. Wang, Y. A picosecond bleaching study of quantum-confined cadmium sulfides microcrystallites in a polymer film, J. Phys. Chem. 1988, 89, 3435. 

The hexaacetate of 6 has been tested as a high resolution negative resist for electron beam lithography, showing sufficient resolution to be useful for nanoscale device processing. Quantum confined cadmium sulfide clusters are stabilized by the Mannich base calixarenes 195 (R = Me, Bu, cyclohexyl). ... 

H. Noglik and W. J. Pietro, Chem. Mater., 7, 1333 (1995). Surface Functionalization of Cadmium Sulfide Quantum Confined Semiconductor Nanoclusters. 2. Formation of a Quantum Dot Condensation Polymer. 

This type of method was used by Brus and co-workers in studies on CdS and ZnS [12, 13], which have led to the explosion of interest in solid samples of semiconductors which show quantum confinement effects. They [12] prepared CdS nanoparticles by a process involving the controlled nucleation of CdS in dilute aqueous solutions of cadmium sulfate and ammonium sulfide. The dynamic equilibrium between solvated ions and solid CdS in acetonitrile, as a solvent in the presence of a styrene or maleic anhydride copolymer, allowed the preparation of... 

Fig. 1 Schematics and image of quantum confinement and semiconductor size (a) energy level of high-energy conduction band and low-energy valence band (b) band gap energy increase by decreasing nanoparticle sizes (c) quantum dots of cadmium sulfide in solution fluoresce brightly under ultraviolet light [13]...

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