Molten salt synthesis of SrTiO3 nanocrystals using nanocrystalline TiO2 as a precursor

Wang, Tian Xi; Liu, Shuang Zhi; Chen, Jun

doi:10.1016/j.powtec.2010.08.068

Cited by 28 publications

(19 citation statements)

References 12 publications

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“…Wang et al successfully synthesised SrTiO 3 by MSR in 2011. On the basis of Wang et al, TiO 2 and Sr (NO 3 ) 2 were used as starting materials and NaCl‐KCl was used as the molten salt flux. Under synthesis temperature of 700°C, 11 to 43 nm of SrTiO 3 was formed.…”

Section: Synthesis Methods Of Srtio3mentioning

confidence: 99%

A review of synthesis and morphology of SrTiO ₃ for energy and other applications

et al. 2019

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Summary With the increasing demand and depleting trend of commercial energies, it has forced the researchers all over the world to accelerate research and development in the area of renewable energy. Currently, unique and interesting features of binary compounds have gained more attention by researchers, and it became a favourite research topic among various groups of researchers around this world. It was noticed that strontium titanate (SrTiO3) consists of several extraordinary properties that can apply for miscellaneous applications especially for energy storage, fuel cells, as well as to generate hydrogen fuel via photocatalysis process. Besides that, it was noticed that SrTiO3 can be synthesised in different pathways. The method of preparation and amount of precursors can affect the surface properties of SrTiO3. Thus, this article presents a critical review on how SrTiO3 synthesis methods affect its surface morphology and the applications of SrTiO3 in various fields.

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Section: Synthesis Methods Of Srtio3mentioning

confidence: 99%

A review of synthesis and morphology of SrTiO ₃ for energy and other applications

et al. 2019

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“…3 nanosized SrTiO 3 particles an important topic. While numerous methods for the production of SrTiO 3 nanopowders such as sol-gel [11], hydrothermal [12], combustion [13], polymeric precursor [14], molten salt [15] and solvothermal [16] methods have been developed, SrTiO 3 is dominantly obtained by conventional solid state reaction [17]. Most of these methods require high-purity chemicals, making them too expensive for industrial scale synthesis.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

The influence of mechanical activation on structural evolution of nanocrystalline SrTiO3 powders

Živojinović

Pavlović

Kosanović

et al. 2017

Journal of Alloys and Compounds

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Structural changes caused by mechanical activation of SrTiO 3 powders were investigated using a variety of methods. Average crystallite size continuously decreased with increased activation time to around 20 nm after 120 min activation, while mesopore volume and specific surface area increased accordingly. Higher activation times lead to increased agglomeration of nanoparticles to form agglomerates of around 2 µm in size, ultimately

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“…The crystal growth in molten salts proceeds via one of two mechanisms: in situ transformation from solid precursor to product and precursor dissolution‐precipitation growth mechanism . The preparation of SrTiO 3 in alkali chlorides molten salts has been shown to proceed via the in situ transformation mechanism . However, the formation mechanism of SrTiO 3 in NaOH/KOH molten salts is still unknown.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of mesoporous strontium titanate by molten salt assisted template‐free method

Zhao

Yan

et al. 2019

J Am Ceram Soc

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Mesoporous SrTiO 3 was synthesized via the NaOH/KOH molten salt method.The detailed formation mechanism for the mesoporous SrTiO 3 should be obtained to adjust the microstructure, which is an import factor affecting the photocatalytic activity. The detailed mechanism is explored by studying the intermediate phase.It is found that the NaOH/KOH molten salt method for mesoporous SrTiO 3 synthesis, using four kinds of TiO 2 with different morphologies as precursors, follows the precursor dissolution-precipitation growth mechanism. The mesoporous SrTiO 3 structure originates from the reservation of space for NaOH/KOH. The crystallinity, number of pores, and size of particles are affected by the cleaning temperature, which can thus influence the photocatalytic activity.

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Molten salt synthesis of SrTiO3 nanocrystals using nanocrystalline TiO2 as a precursor

Cited by 28 publications

References 12 publications

A review of synthesis and morphology of SrTiO ₃ for energy and other applications

A review of synthesis and morphology of SrTiO ₃ for energy and other applications

The influence of mechanical activation on structural evolution of nanocrystalline SrTiO3 powders

Synthesis of mesoporous strontium titanate by molten salt assisted template‐free method

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Molten salt synthesis of SrTiO3 nanocrystals using nanocrystalline TiO2 as a precursor

Cited by 28 publications

References 12 publications

A review of synthesis and morphology of SrTiO 3 for energy and other applications

A review of synthesis and morphology of SrTiO 3 for energy and other applications

The influence of mechanical activation on structural evolution of nanocrystalline SrTiO3 powders

Synthesis of mesoporous strontium titanate by molten salt assisted template‐free method

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A review of synthesis and morphology of SrTiO ₃ for energy and other applications

A review of synthesis and morphology of SrTiO ₃ for energy and other applications