2013
DOI: 10.1590/s0366-69132013000200009
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New methodology for a faster synthesis of SrSnO3 by the modified Pechini method

Abstract: SrSnO 3 , a perovskite-type complex oxide, was synthesized by the modified Pechini method using two different precursors, tin chloride and metallic tin. The first one is already traditional in the literature and it claims about 30 days, only for the cleaning of tin citrate aiming at the elimination of the chloride. The second route was developed by our research group and saves time, taking 6 h to complete the synthesis of the resin. The results show that SrSnO 3 obtained from the metallic tin show a higher sho… Show more

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Cited by 24 publications
(12 citation statements)
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References 31 publications
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“…Note that a small amount of SrCO 3 impurity was detected and attributed to the potential reaction of Sr defects with atmospheric oxygen and carbon dioxyde. 33 This is confirmed by DFT calculations showing that the formation of SrCO 3 from SSO is favoured for all compositions (see Table S1). Interestingly, the content of SrCO 3 impurities slightly decreases with the increase of Sn/Al ratio (xAl Sn ).…”
Section: 13supporting
confidence: 72%
“…Note that a small amount of SrCO 3 impurity was detected and attributed to the potential reaction of Sr defects with atmospheric oxygen and carbon dioxyde. 33 This is confirmed by DFT calculations showing that the formation of SrCO 3 from SSO is favoured for all compositions (see Table S1). Interestingly, the content of SrCO 3 impurities slightly decreases with the increase of Sn/Al ratio (xAl Sn ).…”
Section: 13supporting
confidence: 72%
“…Synthesis of the CaSnO 3 : CaSnO 3 powder was synthesized by a modified Pechini method, as described in previous work on SrSnO 3 [21]. In this work, metallic Sn (99%, Vetec), Ca(NO 3 ) 2 .4H 2 O (99%, Vetec), citric acid (C 6 H 8 O 7 .2H 2 O, 99.5%, Cargil), ethylene glycol (C 2 H 6 O 2 , 99.5%, Vetec), and NH 4 OH (99%, Vetec) were used as raw materials during synthesis.…”
Section: Methodsmentioning
confidence: 99%
“…4. Five bands related to the typical vibrational modes of perovskite were observed (Lucena et al 2013;Alves et al 2013): at 115, 146, and 170 cm −1 correspond to the Sr-SnO 3 network mode; at 222 cm −1 related to Ag mode which corresponds to the scissors movement of the Sn-O-Sn group along the c axis, and at 258 cm −1 related to the angular vibration of the O-Sn-O group at the ab plan and to the scissors movement at Sn-O-Sn perpendicular to the c axis. Additional lower intensity bands are observed at 304, 398, and 401 cm −1 and correspond to the torsion mode of SnO 3 −2 .…”
Section: Photocatalyst Characterizationmentioning
confidence: 99%