ChemInform Abstract: Liquid-Phase Synthesis of Doped Nanoparticles: Colloids of Luminescing LaPO4:Eu and CePO4:Tb Particles with a Narrow Particle Size Distribution.
Abstract
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ChemInform Abstract
Nanocrystals of LaPO4:Eu and CePO4:Tb with a mean particle size of 5 nm and a narrow size distribution are prepared by reaction of Ln(NO3)3 (Ln: La, Ce) with EuCl3 or Tb(NO3)3 and trioctylamine in tris(ethylhexyl) phosphate at 200 °C (N2 atmosphere, 16 h). The isotypic compounds crystallize in space group P121/n1. Luminescence lifetime measurements are used to confirm doping and energy transfer in both materials. Colloidal solutions of CePO4:Tb display an overall luminescence quantum yield of 16%.
