Preparation and characterization of nanometer perovskite-type complex oxides LaMnO3.15 and their application in catalytic oxidation

Hu, Zhongai; Yang, Yuying; Shang, Xingfu; Pang, Hailong

doi:10.1016/j.matlet.2004.12.047

Cited by 18 publications

(14 citation statements)

References 20 publications

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“…It shows better performance among other perovskite oxides through intensive studying on rare earth and 3D transition element [17] plus it is cheaper than noble metal catalyst such as Au and Pt. More recently, it has been incorporated in Li/O 2 batteries as an ORR catalyst [10] but no supporting information about synthesis was provided by Debart et al However, this material is very hard to synthesize.…”

Section: Introductionmentioning

confidence: 99%

Nano-sized La0.8Sr0.2MnO3 as oxygen reduction catalyst in nonaqueous Li/O2 batteries

Lin

Huang

et al. 2011

J Solid State Electrochem

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Nano-sized La 0.8 Sr 0.2 MnO 3 prepared by the polyethylene glycol assisting sol-gel method was applied as oxygen reduction catalyst in nonaqueous Li/O 2 batteries. The as-synthesized La 0.8 Sr 0.2 MnO 3 was characterized by X-ray diffraction (XRD), scanning electron microscopy, and Brunauer-Emmet-Teller measurements. The XRD results indicate that the sample possesses a pure perovskite-type crystal structure, even sintered at a temperature as low as 600°C, whereas for solid-state reaction method it can only be synthesized above 1,200°C. The as-prepared nano-sized La 0.8 Sr 0.2 MnO 3 has a specific surface area of 32 m 2 g −1 , which is much larger than the solid-state one (1 m 2 g −1 ), and smaller particle size of about 100 nm. Electrochemical results show that the nano-sized La 0.8 Sr 0.2 MnO 3 has better catalytic activity for oxygen reduction, higher discharge plateau and specific capacity.

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Section: Introductionmentioning

confidence: 99%

Nano-sized La0.8Sr0.2MnO3 as oxygen reduction catalyst in nonaqueous Li/O2 batteries

Lin

Huang

et al. 2011

J Solid State Electrochem

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“…It has been widely investigated for use in various high-temperature electrochemical devices such as solid oxide fuel cells (Zhen et al, 2006;Jiang, 2008) or oxygen permeation membranes (Van Hassel et al, 1993). Moreover, they have been proposed as alternative catalysts for oxidation of carbon monoxide and hydrocarbons (Hu, 2005;Hirano et al, 2007) and promising catalyst for multi component reactions (Sanaeishoar et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Evaluation Catalytic Efficiency of Perovskite-Type Oxide Nanopowders in Removal of Bromocresol Purple from Aqueous Solution

Tavakkoli¹,

Ghaemi²,

Mostofizadeh³

2014

IJSRK

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Abstract. A 1-x A x BO 3 belongs to the perovskite oxides of the ABO 3 structure. In this study, nanoparticles of La 0.5 Ca 0.5 FeO 3 were fabricated by sol-gel citrate technique. A series of common analytical techniques were used to characterize the crystallinity, morphology, specific surface area, and grain size of the nanopowders. These properties were characterised by means of XRD, SEM, EDX and FTIR. The calculated particles size using the Scherrer's formula was about 20 nm. Moreover, the family of perovskite-type oxides could be considered as an adsorbent/catalyst material for the removal of dyes. This study has also investigated the efficiency of La 0.5 Ca 0.5 FeO 3 , as an adsorbent for removal of dye (Bromocresol Purple (BP)), from an aqueous solution. The adsorption studies were carried out at different pH values, various adsorbent dosages and contact time in a batch experiments. The kinetic studies indicate that the removal process obeys the Pseudo-first-order kinetic equation. Also, the isotherm evaluations reveal that the adsorption of BP by the nanoparticles follows the Langmuir model. In addition, this nanoparticle with good specific affinity towards dye molecules was a promising adsorbent for dye removal from natural water.

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“…The solid-state process has some drawbacks because it requires temperature above 1300 • C and long durations for synthesis of LSCM. The synthesized product also shows large particle size and low purity [9]. The solution combustion method on the other hand, enables the synthesis of LSCM at relatively low temperatures and requires short synthesis time.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of nanoparticles of La0.75Sr0.25Cr0.5Mn0.5O3−δ (LSCM) perovskite by solution combustion method for solid oxide fuel cell application

Raza

Rahman

Beloshapkin

2009

Journal of Alloys and Compounds

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Preparation and characterization of nanometer perovskite-type complex oxides LaMnO3.15 and their application in catalytic oxidation

Cited by 18 publications

References 20 publications

Nano-sized La0.8Sr0.2MnO3 as oxygen reduction catalyst in nonaqueous Li/O2 batteries

Nano-sized La0.8Sr0.2MnO3 as oxygen reduction catalyst in nonaqueous Li/O2 batteries

Synthesis and Evaluation Catalytic Efficiency of Perovskite-Type Oxide Nanopowders in Removal of Bromocresol Purple from Aqueous Solution

Synthesis of nanoparticles of La0.75Sr0.25Cr0.5Mn0.5O3−δ (LSCM) perovskite by solution combustion method for solid oxide fuel cell application

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