A simple approach to synthesize KNiF3 hollow spheres by solvothermal method

Meng Zhang; Zhenghua Wang; Maosong Mo; Xiangying Chen; Rui Zhang; Weichao Yu; Yitai Qian

doi:10.1016/j.matchemphys.2004.09.016

A simple approach to synthesize KNiF₃ hollow spheres by solvothermal method

Meng Zhang, Zhenghua Wang, Maosong Mo, Xiangying Chen, Rui Zhang, Weichao Yu, Yitai Qian

Pharmaceutical Care and Health Systems

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Potassium nickel fluoride (KNiF₃) hollow spheres with diameters of 200-400 nm have been solvothermally synthesized at 110°C using KF and NiCl₂ as reactants in ethanol, without additional template materials or surfactants. The results of XRD and XPS indicate that the products are perovskite-type KNiF₃. TEM microphotos show that the hollow spheres are composed of KNiF₃ nanoparticles with an average size of l0nm, and the wall thickness is 20-40 nm. UV-vis and PL spectra have recorded the optical properties of KNiF₃ hollow spheres. A possible mechanism for the formation of KNiF₃ hollow spheres is also discussed.

Original language	English (US)
Pages (from-to)	373-378
Number of pages	6
Journal	Materials Chemistry and Physics
Volume	89
Issue number	2-3
DOIs	https://doi.org/10.1016/j.matchemphys.2004.09.016
State	Published - Feb 15 2005

Bibliographical note

Funding Information:
This work was supported by the National Natural Science Foundation of China and the 973 Projects of China.

Keywords

Chemical synthesis
Electron microscopy
Nanostructures
Optical properties

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10.1016/j.matchemphys.2004.09.016

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Cite this

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title = "A simple approach to synthesize KNiF3 hollow spheres by solvothermal method",

abstract = "Potassium nickel fluoride (KNiF3) hollow spheres with diameters of 200-400 nm have been solvothermally synthesized at 110°C using KF and NiCl2 as reactants in ethanol, without additional template materials or surfactants. The results of XRD and XPS indicate that the products are perovskite-type KNiF3. TEM microphotos show that the hollow spheres are composed of KNiF3 nanoparticles with an average size of l0nm, and the wall thickness is 20-40 nm. UV-vis and PL spectra have recorded the optical properties of KNiF3 hollow spheres. A possible mechanism for the formation of KNiF3 hollow spheres is also discussed.",

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AU - Zhang, Meng

AU - Wang, Zhenghua

AU - Mo, Maosong

AU - Chen, Xiangying

AU - Zhang, Rui

AU - Yu, Weichao

AU - Qian, Yitai

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China and the 973 Projects of China.

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AB - Potassium nickel fluoride (KNiF3) hollow spheres with diameters of 200-400 nm have been solvothermally synthesized at 110°C using KF and NiCl2 as reactants in ethanol, without additional template materials or surfactants. The results of XRD and XPS indicate that the products are perovskite-type KNiF3. TEM microphotos show that the hollow spheres are composed of KNiF3 nanoparticles with an average size of l0nm, and the wall thickness is 20-40 nm. UV-vis and PL spectra have recorded the optical properties of KNiF3 hollow spheres. A possible mechanism for the formation of KNiF3 hollow spheres is also discussed.

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KW - Nanostructures

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