Complexation-Coprecipitation Synthesis and Characterization of Neodymium and Antimony Doped SnO2 Conductive Nanoparticles

Nd and Sb doped SnO2 conductive nanoparticles were prepared by the complexation-coprecipitation method with Sn, Sb2O3 and Nd2O3 as the raw materials. Thermal behavior, crystal phase, and structure of the prepared conductive nanoparticles were characterized by TG/DSC/DTG, FTIR, XRD and TEM techniques, respectively. The resistivity of the prepared conductive nanoparticles was 0.12 Ω · cm. TG/DSC/DTG curves show that the precursors lose weight completely before 750 °C. FTIR spectrum shows that the vibration peaks are wide peaks in 731 ∼ 617 cm−1, and the Nd and Sb doped SnO2 conductive nanoparticles have intense absorption in 4000 ∼ 2000 cm−1. Nd and Sb doped SnO2 have a structure of tetragonal rutile, and complex doping is achieved well by complexation-coprecipitation method and is recognized as replacement doping or caulking doping. TME shows that the particles are weakly agglomerated, and the size of the particles calcined at 1000 °C ranges about 10 nm to 30 nm.