Antimony potassium tartrate A novel single source precursor for the preparation of Sb2O3, KSb3O5, (K0.51Sb0.67Sb2O6.26)-Sb-III-O-V, and KSbO3

作者：Reddy J R; Ravi G; Suresh P; Veldurthi Naveen Kumar; Velchuri Radha; Vithal M^*

来源：Journal of Thermal Analysis and Calorimetry, 2014, 115(2): 1321-1327.

DOI：10.1007/s10973-013-3502-8

• Single source precursor
• Decomposition
• Antimony potassium tartrate
• Powder XRD
• FT-IR

Single source precursor, antimony potassium tartrate, was used for the preparation of Sb2O3, KSb3O5, K0.51Sb (0.67) (III) Sb (2) (V) O-6.26, and KSbO3. Antimony trioxide (Sb2O3) was prepared by hydrothermal method, while potassium antimony oxides (KSbO3, K0.51Sb (0.67) (III) Sb (2) (V) O-6.26, and KSbO3) were obtained from the thermal decomposition of antimony potassium tartrate. All the compounds were characterized by powder X-ray diffraction (PXRD), thermogravimetric analysis (TG), Fourier transform infrared spectroscopy (FT-IR), UV-Vis diffuse reflectance spectra, and scanning electron microscopy (SEM). The decomposition process of antimony potassium tartrate with temperature was given. The product formation at different temperatures of thermal decomposition was monitored by PXRD and FT-IR. The TG profile of antimony potassium tartrate shows mass loss at three regions. The infrared spectra of parent and decomposed products gave characteristic Sb-O bands. The band gap energy of decomposed products was obtained. The SEM diagrams of Sb2O3 show different morphologies. Direct solid state preparation of KSb3O5 and K0.51Sb (0.67) (III) Sb (2) (V) O-6.26 under identical experimental conditions was unsuccessful.

• 出版日期2014-2