LiMnPO $_4$微纳米晶的形貌及团聚控制
Morphology and agglomeration control of LiMnPO$_4$ micro- and nanocrystals
摘要：
采用微波辅助水热合成法从醋酸盐前驱体中生长出LiMnPO $_4$微米和纳米晶。通过适当调节前体浓度和反应物的pH值，可以控制产物的组成和纯度以及晶体尺寸，导致颗粒尺寸从约10 mm下降到几百nm。制备了具有六边形底面的棱柱和板以及长方体和棒状颗粒。讨论了这些因素对晶体形貌、材料织构和团聚倾向的影响，并绘制了综合团聚相图。
英文摘要：
Microwave-assisted hydrothermal synthesis was used to grow LiMnPO$_4$ micro- and nanocrystals from acetate precursors. By appropriate adjustment of the precursor concentration and the pH-value of the reactant, the product composition and purity along with the crystal size can be manipulated, resulting in particle-dimensions from around 10 mm down to a few 100 nm. Prisms and plates with hexagonal basal face as well as cuboid and rod-like particles were produced. The effects on the crystal morphology as well as on the materials texture and agglomeration tendency are discussed and a comprehensive agglomeration phase diagram is constructed.
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