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<p>Phosphoric acid was utilized to modify titanium dioxide, elucidating its mechanism for inhibiting the high-temperature transformation of the anatase phase into the rutile phase. The effects of sintering temperature, phosphoric acid doping amount, and initial grain size on the stability of anatase phase were evaluated. The results reveal that phosphate groups chelate to the TiO<sub>2</sub> surface effectively suppressed phase transition. This research provides a new insight into the mechanism by which phosphoric acid-modified TiO<sub>2</sub> inhibits the anatase-to-rutile phase transformation, offering theoretical support for its application in high temperature environments.</p>

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Mechanism of Inhibition of Anatase-to-rutile Phase Transition by Phosphoric Acid-modified Titanium Dioxide

  • 期刊论文

  • 发表日期：

    2026年7月9日

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  • Yanlin Chen,
  • Yuhang Yang,
  • Feng Wei,
  • Guangjian Lu,
  • Xing Xiang

摘要

Phosphoric acid was utilized to modify titanium dioxide, elucidating its mechanism for inhibiting the high-temperature transformation of the anatase phase into the rutile phase. The effects of sintering temperature, phosphoric acid doping amount, and initial grain size on the stability of anatase phase were evaluated. The results reveal that phosphate groups chelate to the TiO2 surface effectively suppressed phase transition. This research provides a new insight into the mechanism by which phosphoric acid-modified TiO2 inhibits the anatase-to-rutile phase transformation, offering theoretical support for its application in high temperature environments.