Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Characterization and Synthesis of Nano-Sized Hydroxyapatite Powder by Microwave-Hydrothermal Method

마이크로파-수열 합성법을 이용한 나노 수산화아파타이트 합성과 특성평가

  • Han, Jae-Kil (School of Advanced Materials Engineering, Kongju National University) ;
  • Lee, Chi-Woo (School of Advanced Materials Engineering, Kongju National University) ;
  • Lee, Byong-Taek (School of Advanced Materials Engineering, Kongju National University)
  • 한재길 (공주대학교 신소재공학부) ;
  • 이치우 (공주대학교 신소재공학부) ;
  • 이병택 (공주대학교 신소재공학부)
  • Published : 2006.02.01
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Abstract

Nano-sized hydroxyapatite (HAp) powders were synthesized by a microwave-hydrothermal method using $H_3PO_4\;and\;Ca(OH)_2$ as starting materials. The applied microwave powers and mole ratio of Ca/P were served as powerful factors in the synthesis of calcium phosphate. In the case of relatively low microwave power of 450 Wand Ca/P ratio of 1.57, the mixed calcium phosphate compounds were detected in the synthesized powders. But in the case of running at 550 Wand 1.67(Ca/P), the synthesized powder showed the monophase of HAp having two kinds of morphologies. One was a needle shape with $5\~15\;nm$ in width and $20\~50\;nm$ in length, and the other was a spherical shape of $10\~40\;nm$ in diameter.

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References

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