Cadmium ions and cadmium sulphide particles in γ-titanium dihydrogen phosphate. Synthesis, thermal behaviour and X-ray characterization

Carla Ferragina 1 , Romolo Rocco 1 , Pasquale Patrono 1 ,  and Lucantonio Petrilli 2
  • 1 The Institute of Inorganic Methodologies and Plasmas, The National Research Council, 00016, Monterotondo Scalo, Italy
  • 2 Institute of Structure of Matter, The National Research Council, 00016, Monterotondo Scalo, Italy

Abstract

Layered compounds with CdS particles supported on the ion-exchanger, γ-titanium dihydrogen phosphate, were prepared by the stepwise reaction of the ion-exchanger and cadmium solution, followed by reaction with H2S gas. The CdS content on the ion-exchanger is dependent on the timeframe of the H2S gas flow. The materials obtained were layered, as shown by the X-ray measurements that exhibit both precursor and CdS diffraction peaks. The thermal treatment of the material obtained gives evidence of its stability (≤ 320°C) before the CdS decomposition, which occurs in a single step.

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