Size-quantised semiconductor cadmium chalcogenide particles in Langmuir–Blodgett films

Abstract

The generation of quantised-state (Q-state) particles of CdS, CdSe, CdTe, CdS_xSe_1–x, CdS_xTe_1–x and CdSe_xTe_1–x in polymerized nonacosa-10, 12-diynoic acid Langmuir–Blodgett (LB) films is described. The use of mixed surfactants and mixed counterions Cd²⁺ and Ca²⁺ in the LB films is shown to influence the size of the particles formed. The possible factors controlling the particles formed. The possible factors controlling the particle size obtained in LB films are discussed.