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梭形Fe_5(PO_4)_4(OH)_3·2H_2O的一步水热法制备及生长机理研究 被引量：2

Fabrication and Formation Mechanism of Fusiform Fe_5(PO_4)_4(OH)_3·2H_2O via One-step Hydrothermal Procedure
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摘要 采用可控的一步水热法制备出了具有对称棱边的梭形Fe5(PO4)4(OH)3·2H2O产物。利用X-射线衍射、场发射扫描电子显微镜、透射电子显微镜等手段对产物进行了表征,发现产物的生长机理符合Ostwald熟化过程。研究表明:在180℃下反应96h后会得到多臂形貌的纯相Fe5(PO4)4(OH)3·2H2O产物,且在低温下更容易获得纯相的Fe5(PO4)4(OH)3·2H2O梭形产物。此外研究发现,产物在500℃热处理后具有较好的形貌和尺寸上的热稳定性。 Novel fusiform Fe5（PO4）4（OH）3·2H2O were prepared,for the first time to our best knowledge,via facile and controllable one-step hydrothermal procedure.The formation mechanism is found to agree with Ostwald ripening process in accordance with the investigations carried out by X-ray diffraction,scanning electron microscopy,and transmission electron microscopy.The results demonstrate that by prolonging the reaction time to 96 h at 180 ℃,Fe5（PO4）4（OH）3·2H2O pure phase with multi-arm morphology forms and Fe5（PO4）4（OH）3·2H2O pure phase is favored in low-temperature reaction process.Besides,it has been demonstrated that the as-synthesized products have a good thermal stability of morphology and size after thermal treatment at 500 ℃.
作者 张萧丹 王永 马继 陈克正
机构地区 青岛科技大学材料科学与工程学院
出处 《青岛科技大学学报（自然科学版）》 CAS 北大核心 2012年第2期115-120,共6页 Journal of Qingdao University of Science and Technology:Natural Science Edition
关键词 Fe5(PO4)4(OH)3.2H2O 梭形 水热法 Ostwald熟化 Fe5（PO4）4（OH）3·2H2O fusiform hydrothermal procedure Ostwald ripening
分类号 TB321 [一般工业技术—材料科学与工程]
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参考文献13

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共引文献20

同被引文献25

  • 1邢振发.3D-MIDS改性塑料的激光活化和金属化[J].印制电路信息,2003,11(2):37-38. 被引量：14
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引证文献2

二级引证文献16

青岛科技大学学报（自然科学版）
2012年 第2期

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