Zhang Xia, Zhao Yan, Zhang Caibei. Study on the Formation Process of Spindle β-FeOOH Particles[J]. Chinese Journal of Chemical Physics , 2004, 17(5): 613-617. doi: 10.1088/1674-0068/17/5/613-617
Citation: Zhang Xia, Zhao Yan, Zhang Caibei. Study on the Formation Process of Spindle β-FeOOH Particles[J]. Chinese Journal of Chemical Physics , 2004, 17(5): 613-617. doi: 10.1088/1674-0068/17/5/613-617

Study on the Formation Process of Spindle β-FeOOH Particles

doi: 10.1088/1674-0068/17/5/613-617
Funds:  Project supported by the National Natural Science Foundation of China (50202014).
  • Received Date: 2003-08-01
  • The formation process of spindle 2-FeOOH particles obtained through the hydrolysis of FeCl3 solutions has been investigated by means of TEM and XRD. The effect of surfactant-Hexadecyl trimethyl ammonium bromide(CTAB) on this process has also been studied. The results show that growth of the needle-like pre-particles is based on the aggregation process, when there is no CTAB in the FeCl3 solution. Once CTAB was added, [2-FeOOH] nuclies would grow up through the diffusion mechanism. The2-FeOOH particles were smaller and uniform under the effect of CTAB. The spindle and needle-like 2-FeOOH particles with different axis ratios can be synthesized by controlling the reaction parameters such as the concentration of the original FeCl3 solution and aging temperature.
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Study on the Formation Process of Spindle β-FeOOH Particles

doi: 10.1088/1674-0068/17/5/613-617
Funds:  Project supported by the National Natural Science Foundation of China (50202014).

Abstract: The formation process of spindle 2-FeOOH particles obtained through the hydrolysis of FeCl3 solutions has been investigated by means of TEM and XRD. The effect of surfactant-Hexadecyl trimethyl ammonium bromide(CTAB) on this process has also been studied. The results show that growth of the needle-like pre-particles is based on the aggregation process, when there is no CTAB in the FeCl3 solution. Once CTAB was added, [2-FeOOH] nuclies would grow up through the diffusion mechanism. The2-FeOOH particles were smaller and uniform under the effect of CTAB. The spindle and needle-like 2-FeOOH particles with different axis ratios can be synthesized by controlling the reaction parameters such as the concentration of the original FeCl3 solution and aging temperature.

Zhang Xia, Zhao Yan, Zhang Caibei. Study on the Formation Process of Spindle β-FeOOH Particles[J]. Chinese Journal of Chemical Physics , 2004, 17(5): 613-617. doi: 10.1088/1674-0068/17/5/613-617
Citation: Zhang Xia, Zhao Yan, Zhang Caibei. Study on the Formation Process of Spindle β-FeOOH Particles[J]. Chinese Journal of Chemical Physics , 2004, 17(5): 613-617. doi: 10.1088/1674-0068/17/5/613-617

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