Controllable synthesis of tricalcium phosphate (TCP) polymorphs by wet precipitation: Effect of washing procedure

Lauryna Sinusaite, Inga Grigoraviciute-Puroniene, Anton Popov, Kunio Ishikawa, Aivaras Kareiva, Aleksej Zarkov

研究成果: Contribution to journalArticle査読

13 被引用数 (Scopus)

抄録

In the present work, effect of processing conditions on the synthesis of tricalcium phosphate (TCP) polymorphs was investigated. Pure α- and β-TCP polymorphs were prepared by wet precipitation method at almost identical thermal conditions. It was shown that formation of the compound with desired crystalline structure can be achieved by applying a washing procedure with a certain solvent to as-prepared calcium phosphate precipitates. Effect of water, acetone, acetonitrile, ethanol and isopropanol on the crystallinity and crystal structure of the as-prepared and annealed powders was studied. It was demonstrated that type of the washing liquid strongly affects crystalline or amorphous nature of the as-prepared precipitates and formation of different TCP polymorphs after thermal treatment. Washing of the as-prepared precipitates with water and acetone leads to the formation of β-TCP, while washing with acetonitrile and alcohols leads to the crystallization of α-TCP. The thermal behavior of dried precipitates was investigated by thermogravimetric analysis (TGA). The crystallinity, crystal structure and structural changes were evaluated by X-ray powder diffraction (XRD), Fourier-transform infrared (FTIR) and Raman spectroscopy. Scanning electron microscopy (SEM) was used for the characterization of morphological features of the synthesized products.

本文言語英語
ページ(範囲)12423-12428
ページ数6
ジャーナルCeramics International
45
9
DOI
出版ステータス出版済み - 6 15 2019

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • プロセス化学およびプロセス工学
  • 表面、皮膜および薄膜
  • 材料化学

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