ABSTRACT

The synthesis of various inorganic compounds using ionizing radiation (IR) or UV light represents a very promising technological eld. Radiation-induced processes have some advantages over common chemical methods: they are mostly independent of temperature, and they yield material of high purity, with narrow size distribution of particles. Radiation technique is a rather simple method for preparation of various compounds. It is based on irradiation of aqueous solutions containing suitable precursors with ionizing or UV radiation. Finely dispersed solid phase formed during irradiation is subsequently separated from solution, dried, and either used as is, or further processed by calcination at high temperatures under various atmospheres. The preparation enables fast production

4.1 Introduction ............................................................................................................................ 81 4.2 Mechanisms of Solid Phase Formation in Irradiated Aqueous Systems ................................ 82

4.2.1 Radiation Reduction ................................................................................................... 82 4.2.2 Direct Formation of Oxides ........................................................................................ 83 4.2.3 Indirect Formation of Oxides .....................................................................................84