Citation: SUN Rongrong, WANG Liqiu. Low Temperature Synthesis and Characterization of Rod-Shaped LiZnPO₄[J]. Chinese Journal of Applied Chemistry, ;2019, 36(8): 924-931. doi: 10.11944/j.issn.1000-0518.2019.08.190097 shu

Low Temperature Synthesis and Characterization of Rod-Shaped LiZnPO₄

SUN Rongrong ,
WANG Liqiu ^,

State Key Laboratory of Fine Chemicals, Department of Materials Science and Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China

Corresponding author: WANG Liqiu, Lqwang218cn@163.com
Received Date: 10 April 2019
Revised Date: 23 May 2019
Accepted Date: 27 May 2019

Figures(8)

The properties of LiZnPO₄ are closely related to its morphology. The solid state method and the hydrothermal method are widely used for synthesis of LiZnPO₄, neither has the advantage of controlling the morphology of LiZnPO₄. In this paper, the rod-shaped LiZnPO₄ was successfully synthesized by the modified precipitation method. The forming process, phases, microstructure and morphology of LiZnPO₄ were investigated by thermogravimetry coupled with differential scanning calorimetry(TG-DSC), X-ray diffraction(XRD), Fourier transform infrared spectroscopy(FTIR) and field emission scanning electron microscopy(FE-SEM). The effects of synthesis methods, calcination temperature and time, acid types on the morphology of LiZnPO₄ were also explored. The results show that, compared with the solid state method, the modified precipitation method with acetic acid can not only effectively reduce the synthesis temperature of LiZnPO₄ to 500℃, but also easily control the formation of rod-shaped LiZnPO₄. LiZnPO₄ can be obtained at 600℃ for 2 h by the modified precipitation method with acetic acid, which is regular in rod shape with good dispersibility, rectangular cross section and diameter of about 2 μm. In addition, it was found that the light response capacity of the rod-shaped LiZnPO₄ was significantly enhanced compared with that of the LiZnPO₄ particles without regular morphology.
- lithium zinc phosphate,
- precipitation method,
- solid state method
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Low Temperature Synthesis and Characterization of Rod-Shaped LiZnPO4

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Low Temperature Synthesis and Characterization of Rod-Shaped LiZnPO₄