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Issue 7, 2013
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Solvothermal synthesis, characterization and formation mechanism of single-crystalline SrTiO3 dense spheres with monoethanolamine as reaction medium solvent

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Abstract

Single-crystal strontium titanate (SrTiO3) dense spheres have been synthesized via a solvothermal reaction route with monoethanolamine as reaction medium solvent. The as-synthesized SrTiO3 products were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, and selected area electron diffraction, respectively. The results demonstrated that the single-crystal SrTiO3 dense spheres are self-assembled by primary nanocrystallites. Based on the experimental results, the possible formation mechanism of the SrTiO3 spheres has been proposed. Moreover, by changing the solvent with diethanolamine and triethanolamine instead of monoethanolamine, the average diameter of the SrTiO3 dense spheres can be tuned from 100–150 nm to 50–70 nm.

Graphical abstract: Solvothermal synthesis, characterization and formation mechanism of single-crystalline SrTiO3 dense spheres with monoethanolamine as reaction medium solvent

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Publication details

The article was received on 04 Nov 2012, accepted on 10 Dec 2012 and first published on 10 Dec 2012


Article type: Paper
DOI: 10.1039/C2CE26808F
Citation: CrystEngComm, 2013,15, 1439-1444
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    Solvothermal synthesis, characterization and formation mechanism of single-crystalline SrTiO3 dense spheres with monoethanolamine as reaction medium solvent

    G. Xu, Z. Tao, Y. Zhao, Y. Zhang, Z. Ren, G. Shen, G. Han and X. Wei, CrystEngComm, 2013, 15, 1439
    DOI: 10.1039/C2CE26808F

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