hydrothermal synthesis of crystalline rectangular titanoniobate particles
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2005
NiobiumI 5100 Hydrothermal Synthesis of Crystalline Rectangular Titanoniobate Particles. —
KTiNbO5 powders are synthesized by a new hydrothermal process starting with sto-ichiometric amounts of Nb2O5 and Ti(OiPr)4 in aqueous KOH solution (autoclave, 300 or 400 °C). The samples are characterized by powder XRD, TEM, and thermal analysis. The obtained material has a thin and rectangular particle shape and a large surface area and, therefore, can be regarded as an ideal parent compound for photocat-alysts and nanoscale devices. — (LI, B.; HAKUTA, Y.; HAYASHI*, H.; Chem. Commun. (Cambridge) 2005, 13, 1732-1734; Supercrit. Fluid Res. Cent., Natl. Inst. Adv. Ind. Sci Tech., Miyagino, Sendai 983, Japan; Eng.) — W. Pewestorf
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