Hydrothermal synthesis of Pb(Zr0·52Ti0·48)O3 powders at low temperature and low alkaline concentration
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چکیده
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Low Temperature Hydrothermal Synthesis and Characterization and Optical Properties of Sr5Nb4O15 – Nb2O5 Nanocomposite
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Sr5Nb4O15 – Nb2O5 nanocomposites were synthesized in 2 and 4 M KOH aqueous solutions, via a non-stoichiometric 1:2 Sr:Nb molar ratio hydrothermal method at 160°C for 48 h (S1 and S2, respectively). Sr(NO3)2 and Nb2O5 were used as raw materials. The synthesized nanomaterials were characterized by powder X-Ray diffraction (PXRD) technique. It was found that Sr5Nb4O15 has been crystallized in hexa...
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متن کاملLow temperature hydrothermal synthesis, characterization and optical properties of Sr6Nb10O30 – Nb2O5 nanocomposite
Sr6Nb10O30–Nb2O5 nanocomposite was synthesized in 2M NaOH aqueous solution. A stoichiometric 1:1 Sr:Nb molar ratio hydrothermal method at 120°C was used to synthesize this nanocomposite. Sr(NO3)2 and Nb2O5 were used as raw materials. The synthesized nanomaterials were characterized by powder X-ray diffraction (PXRD) technique. It was found that Sr6Nb10O30 was crystallized in tetragonal crystal ...
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The paper reports the preparation and photocatalytic activity of ZnO doped SnO2 nanoparticles. These nanoparticles were synthesized by hydrothermal method. The products were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Their grain sizes are about 50-100 nm. The characterization results revealed that the synthesized nanoparticles possess just cr...
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ژورنال
عنوان ژورنال: Bulletin of Materials Science
سال: 2009
ISSN: 0250-4707,0973-7669
DOI: 10.1007/s12034-009-0030-z