Abstract
The growth of polymeric particles during the hydrolysis and condensation of PbZr0.3Ti0.7O3 (PZT 30/70) precursor solutions has been studied. At the beginning, particles grow by reaction between monomers and particles. As the particle number-density increases, particle-particle aggregation characterised by an exponential growth law becomes the predominant mechanism. When particles grow larger, toward gel formation, the aggregation changes to diffusion limited. Mathematical models derived according to the above mechanisms agreed well with measured particle growth profiles.
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